{"slug":"petrkindlmann-contract-testing","name":"contract-testing","description":">-","long_description":"---\nname: contract-testing\ndescription: >-\n  Implement consumer-driven contract testing with Pact-JS (v16). Covers consumer test\n  writing, broker-driven provider verification, Pact Broker setup, can-i-deploy as a\n  deployment gate, webhook-triggered verification, pending pacts, and schema-first vs\n  consumer-first approaches (OpenAPI/Ajv, Schemathesis).\n  Use when: \"contract test,\" \"Pact,\" \"consumer-driven,\" \"API contract,\" \"provider\n  verification,\" \"can-i-deploy.\"\n  Not for: stubbing or mocking a dependency to isolate a test — use service-virtualization;\n  general REST/GraphQL endpoint assertions against your own API — use api-testing.\n  Related: api-testing, service-virtualization, ci-cd-integration, test-environments.\nlicense: MIT\nmetadata:\n  author: kindlmann\n  version: \"2.0\"\n  category: infrastructure\n---\n\n<objective>\nA provider renames a response field. Both services pass their own unit tests, and the\nmismatch only surfaces in production when the consumer's frontend breaks. Contract testing\ncatches that in CI: the consumer declares exactly what it needs, the provider verifies it\ncan deliver, and `can-i-deploy` blocks the deploy until the broker confirms both sides are\ncompatible. This skill produces Pact consumer tests, broker-driven provider verification,\nand the deployment gate that ties them together — so services can be deployed independently\nwithout a shared integration environment.\n</objective>\n\n## Discovery Questions\n\nCheck `.agents/qa-project-context.md` first — if it exists, use it and skip anything already answered there. Then:\n\n1. **Architecture:** Microservices, monolith with separate consumers (mobile/SPA), or BFF pattern? Contract testing matters most when teams deploy independently.\n2. **Who owns the contract?** Consumer-driven (consumers define what they need) or provider-driven (provider publishes a spec)? Most teams benefit from consumer-driven.\n3. **API versioning strategy:** URL-based (`/v1/`, `/v2/`), header-based, or none? Contracts must account for version negotiation.\n4. **How many consumer-provider pairs?** Start with the highest-traffic or most-fragile integration. Do not try to contract-test everything at once.\n5. **Existing API specs:** Is there an OpenAPI/Swagger spec? If yes, consider schema-first contracts (or Schemathesis) as a starting point.\n6. **HTTP or async?** Request/response APIs use the HTTP examples here; queue/topic integrations (Kafka, SNS/SQS) use Pact message contracts (see Pact-JS Setup).\n\n## Core Principles\n\n**1. Consumers define what they need, providers verify they can deliver.** The consumer writes a test declaring \"I will call `GET /users/123` and expect `{ id, name, email }`.\" The provider runs this test against its real implementation. If the provider cannot satisfy the contract, the build breaks before deployment.\n\n**2. The broker is the shared source of truth.** Not documentation, not Slack threads, not \"just deploy and see.\" Pacts and verification results live in the Pact Broker; provider verification pulls pacts from the broker (`pactBrokerUrl` + `consumerVersionSelectors`), not from local files, because the broker knows which consumer versions are actually live.\n\n**3. Contract tests replace integration environments, not integration tests.** You still need integration tests for complex multi-step workflows. Contract tests eliminate the need to deploy consumer and provider together just to verify the interface.\n\n**4. Break the build on contract violation.** A contract test that logs a warning but allows deployment provides zero value. Contracts must be deployment gates.\n\n**5. Test the contract, not the business logic.** Consumer tests verify response shape and status codes. Provider verification ensures the contract is satisfiable. Business rules belong in unit and integration tests.\n\n## Pact-JS Setup\n\nInstall `@pact-foundation/pact` as a dev dependency on both the consumer and provider sides. The workflow has two halves:\n\n- **Consumer test:** the consumer declares what it needs from the provider (request shape + expected response). Running the test generates `pacts/<consumer>-<provider>.json` — the contract file. Use `Matchers` (`Matchers.like`, `Matchers.eachLike`, `Matchers.integer`, `Matchers.string`, `Matchers.regex`) so contracts assert types and formats, not brittle exact values.\n- **Provider verification:** the provider runs the consumer's pact against its **real** implementation (not mocks), using `stateHandlers` to set up the data each `given(...)` state expects, and publishes the verification result back to the broker.\n\n> **Pact-JS v16 (current as of June 2026) renamed `PactV4` → `Pact` and `MatchersV3` → `Matchers`.** The old names were removed in v16. If you copy from older blog posts/examples, update the imports. The API behavior is unchanged.\n\nFor event-driven systems, the same `Pact` class supports **message pacts** (Kafka, SNS/SQS, RabbitMQ) — the consumer asserts the shape of a message it expects and the provider verifies what its producer emits.\n\nSee `references/pact-js-setup.md` for the install commands, the consumer test (single user, 404, paginated list), the broker-driven provider verification spec with state handlers and pending pacts, the Pact Broker Docker Compose, and the message-contract pointer.\n\n## Pact Broker\n\nThe Pact Broker is the central registry where pact files are published and provider verification results are recorded. It enables the `can-i-deploy` workflow. Run it locally with Docker Compose backed by Postgres; consumer CI publishes pacts to it tagged with a commit SHA and branch.\n\n**Inject every credential from the environment** — Postgres password, broker DB URL, and basic-auth password. Hardcoding any of them in the compose file leaks secrets into version control. Pin the broker image to a released tag, not `:latest`.\n\nSee `references/pact-js-setup.md` for the `docker-compose.pact-broker.yml` and the `pact-broker publish` command.\n\n## Consumer-Driven Workflow\n\nThe full cycle:\n\n```\n1. Consumer writes contract test\n   └── Generates pact JSON file\n\n2. Consumer CI publishes pact to broker\n   └── Broker stores pact tagged with consumer version + branch\n\n3. Broker webhook triggers provider verification\n   └── Provider CI pulls latest pact, runs verification\n\n4. Provider publishes verification result to broker\n   └── Broker records: \"provider v2.3.1 satisfies consumer v1.5.0\"\n\n5. Before deploy: can-i-deploy check\n   └── \"Can consumer v1.5.0 be deployed? Yes, provider v2.3.1 is in production and verified.\"\n```\n\nBoth pipelines run contract tests, publish results to the broker, and gate deployment on `can-i-deploy`. The provider pipeline also listens for a `repository_dispatch` event so a new pact triggers verification automatically.\n\nSee `references/ci-pipelines.md` for the consumer CI workflow, the provider CI workflow (with Postgres service + migrations), and the standalone `can-i-deploy` / `record-deployment` commands.\n\n### Pact Broker Webhooks\n\nConfigure webhooks in the Pact Broker to trigger provider verification via `repository_dispatch` when a new pact is published. The webhook sends a `POST` to `https://api.github.com/repos/myorg/user-service/dispatches` with event type `pact-changed`, which the provider pipeline listens for (see the `repository_dispatch` trigger in `references/ci-pipelines.md`).\n\n### Pending Pacts (Incremental Adoption)\n\nSet `enablePending: true` (plus `includeWipPactsSince`) on the provider `Verifier` so a brand-new consumer interaction can land without breaking the provider build — it is reported but does not fail until the consumer marks it expected. This is the standard safety net when adding contracts incrementally.\n\n## Schema-First vs Consumer-First\n\n### Consumer-First (Pact)\n\nConsumers define what they need; contracts emerge from real usage patterns.\n\n**Best for:** Teams where consumers have specific needs that differ across clients (mobile needs fewer fields than web), APIs that evolve organically, microservice ecosystems.\n\n### Schema-First (OpenAPI + Validation)\n\nProvider publishes an OpenAPI spec; consumers validate their usage against the spec.\n\n**Best for:** Public APIs with many consumers, APIs designed upfront before implementation, teams with strong API design governance.\n\n> OpenAPI 3.0 is not plain JSON Schema (`nullable: true` etc.) — vanilla Ajv defaults to draft 2020-12 and mis-validates real 3.0 specs. Configure Ajv for the OpenAPI dialect with `ajv-formats`, or use an OpenAPI-aware validator. See the caveat in `references/schema-first.md` for the Ajv config and the OpenAPI-against-spec validation helper.\n\n### Hybrid Approach\n\nUse OpenAPI as the design artifact and Pact as the enforcement mechanism.\n\n1. Design API with OpenAPI spec (provider team leads design).\n2. Generate Pact consumer tests from the OpenAPI spec as a baseline.\n3. Consumers add specific interactions beyond the baseline.\n4. Provider verifies against Pact contracts (a subset of the OpenAPI spec).\n\n### Bi-Directional Contracts (PactFlow / SmartBear)\n\nPactFlow (by SmartBear) offers bi-directional contract testing that decouples consumer pacts from provider verification — the provider supplies an OpenAPI spec, the consumer supplies a pact, and PactFlow checks compatibility without requiring the provider to run pact verification. It is a paid PactFlow/SmartBear feature, not part of Pact OSS. Useful when:\n\n- The provider team can't or won't run a Pact verifier in their CI.\n- The provider already publishes an OpenAPI spec as the source of truth.\n- You want contract coverage without tight coupling between consumer and provider repos.\n\nTrade-off: bi-directional checks are coarser than full pact verification — they validate spec/contract overlap, not exact runtime behaviour. Use it as the on-ramp; promote to full verification once both teams are bought in.\n\n### Schemathesis (Property-Based, Spec-Driven)\n\nFor OpenAPI-first projects, **Schemathesis (v4.x)** runs property-based tests against a live API directly from the spec — generating thousands of valid+invalid requests and checking response conformance. Catches a different class of bugs than Pact (encoding, edge-case payloads, status-code drift). Pair them: Pact for consumer-driven *interactions*, Schemathesis for spec-driven *coverage*. In CI, prefer the `schemathesis/action@v3` Action over a raw shell line.\n\n> **Avoid: `schemathesis run --base-url ... --hypothesis-deadline=2000` (Schemathesis ≤ v3, dead as of v4.0, 2025-06).** v4 removed `--hypothesis-deadline` and renamed `--base-url` to `--url`; the schema is now the positional arg. Current form: `schemathesis run ./openapi.yaml --url <base> --checks all`. See `references/schema-first.md`.\n\n## can-i-deploy\n\nThe `can-i-deploy` command is the deployment gate. It checks the Pact Broker matrix to answer \"given everything the broker knows, is this exact version compatible with what is already in the target environment?\" After a successful deploy, record it with `record-deployment` so the matrix stays accurate.\n\nAlways pass `--retry-while-unknown <n> --retry-interval <s>`. This fixes the single most common real-world failure: the consumer just published a pact and the provider hasn't finished verifying it yet, so without retries the gate hard-fails on a race instead of waiting for the result to land.\n\n**Never deploy without a passing `can-i-deploy` check, and never skip it on `main`.** `main` is what reaches production — a skipped gate there ships a version the broker has not confirmed compatible, which is the exact break contract testing exists to prevent.\n\nSee `references/ci-pipelines.md` for the `can-i-deploy` and `record-deployment` commands with annotated output and the retry flags.\n\n## Anti-Patterns\n\n**Testing business logic in contracts.** Keep contracts thin: status codes, field presence, field types, field format. Business logic belongs in unit and integration tests.\n\n**Provider-driven contracts without consumer input.** If the provider team defines contracts alon","tagline":">-","category":"coding-agents","tags":["agent-skill"],"author":"petrkindlmann","verified":false,"attribution":{"status":"registry_indexed","statusLabel":"Registry indexed","shortLabel":"REGISTRY INDEXED","sourceLabel":"github candidate review","sourceDetail":"petrkindlmann/qa-skills","creatorName":"petrkindlmann","creatorUrl":"https://github.com/petrkindlmann","sourceUrl":"https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing#claim-this-skill","claimCta":"Claim this skill","trustNote":"This listing was indexed from public sources and is not marked official until a maintainer claim is approved.","publicNote":"Attribution links to the public repository or creator profile. 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require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Stars/forks activity: 111 stars, 22 forks; issue activity unavailable in current metadata","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"outcome_stats":null,"safety":{"score":24,"level":"avoid_auto_install","label":"Avoid automatic install","safety_tier":{"tier":"blocked","label":"Blocked for auto-install","badge":"BLOCKED","summary":"This skill should not be selected by an agent without explicit human security review.","recommended_action":"Do not auto-install. Inspect the source, dependencies, and permission surface first.","auto_install_policy":"block","reasons":["Metadata combines secrets access with shell or command execution","High-risk permission hints: Shell or command execution, Secrets or environment access"]},"auto_install_allowed":false,"human_review_required":true,"blocked":true,"audit_risk":"needs_review","permission_hints":[{"id":"shell","label":"Shell or command execution","reason":"Skill metadata references terminal, CLI, shell, subprocess, or command execution workflows.","severity":"high"},{"id":"browser","label":"Browser automation","reason":"Skill may drive a browser or interact with web pages.","severity":"medium"},{"id":"network","label":"Network access","reason":"Skill likely fetches remote pages, APIs, repositories, or external services.","severity":"medium"},{"id":"filesystem","label":"Filesystem access","reason":"Skill may read or write project files, documents, generated artifacts, or local workspace state.","severity":"medium"},{"id":"secrets","label":"Secrets or environment access","reason":"Skill metadata references credentials, tokens, environment variables, or secret-bearing workflows.","severity":"high"},{"id":"database","label":"Database access","reason":"Skill may inspect schemas, query databases, or work with persistent stores.","severity":"medium"}],"policy_warnings":["High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review"],"constraints_applied":{"max_risk":"medium","needs_install_command":true,"min_stars":0}},"safety_gate":{"tier":"blocked","label":"Blocked for auto-install","badge":"BLOCKED","auto_install_policy":"block","auto_install_allowed":false,"blocked":true,"human_review_required":true,"recommended_action":"Do not auto-install. 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Inspect the source, dependencies, and permission surface first.","Metadata combines secrets access with shell or command execution"]},{"id":"readme_skillmd_completeness","label":"README/SKILL.md completeness","status":"warn","score":70,"required_for_auto_install":false,"detail":"Public metadata needs stronger README/SKILL.md context","evidence":["Usable metadata, review docs"]},{"id":"license_clarity","label":"License clarity","status":"pass","score":86,"required_for_auto_install":true,"detail":"MIT","evidence":["MIT"]},{"id":"recent_maintenance","label":"Recent maintenance","status":"pass","score":88,"required_for_auto_install":false,"detail":"3mo since push","evidence":["3mo since push"]},{"id":"permission_surface","label":"Permission surface","status":"fail","score":18,"required_for_auto_install":true,"detail":"secrets or environment access, shell or command execution","evidence":["Shell or command execution: high","Browser automation: medium","Network access: medium"]},{"id":"alternatives","label":"Alternatives available","status":"info","score":55,"required_for_auto_install":false,"detail":"No close alternatives were found in the current shortlist.","evidence":[]}],"endpoints":{"web":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing/evals","api":"/api/agent/evals?slug=petrkindlmann-contract-testing","text":"/api/agent/evals?slug=petrkindlmann-contract-testing&format=text"}},"agent_readable_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"petrkindlmann-contract-testing","name":"contract-testing","description":">-","category":"coding-agents","url":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing","repository":"https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing","github_repo":"petrkindlmann/qa-skills"},"suited_tasks":["GitHub automation workflows","Claude Code teams","builders willing to evaluate younger projects","Inspect repository metadata","Compare code changes","Write concise engineering summaries","Inspect source files","Explain architecture"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add petrkindlmann/qa-skills --skill contract-testing","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add petrkindlmann-contract-testing"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"contract-testing\" agent skill from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"contract-testing\" as a Claude Code skill from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"contract-testing\" from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."}],"handoff_url":"https://www.openagentskill.com/api/skills/petrkindlmann-contract-testing/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/petrkindlmann-contract-testing"},"trust":{"score":68,"label":"Manual review","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"111 GitHub stars","repoActivity":"111 stars, 22 forks","lastPushed":"3mo since push","license":"MIT","repository":"https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing","install":"npx skills add petrkindlmann/qa-skills --skill contract-testing","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, shell or command execution","documentation":"Usable metadata, review docs","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["coding-agents","agent-skill"],"known_risks":["Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Stars/forks activity: 111 stars, 22 forks; issue activity unavailable in current metadata","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":72,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Stars/forks activity: 111 stars, 22 forks; issue activity unavailable in current metadata","Dependency/runtime risk: command execution surface, credential or environment access"]},"safety_gate":{"tier":"blocked","label":"Blocked for auto-install","auto_install_policy":"block","auto_install_allowed":false,"human_review_required":true,"blocked":true,"recommended_action":"Do not auto-install. Inspect the source, dependencies, and permission surface first."},"quality":{"score":61,"label":"Promising"},"supply":{"track":"Coding and developer agents","scenario":"GitHub automation","maintenance":"3mo since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","high-compliance environments without internal security review","No OpenAgentSkill engagement data yet","High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision."],"agent_contract":{"task_input":"Use contract-testing in an agent workflow","recommended_action":"Do not auto-install. Inspect the source, dependencies, and permission surface first.","install_policy":"block","minimum_review_before_use":["Trust: 68/100 Manual review","Audit: 72/100 Needs review","Safety: 24/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"petrkindlmann-contract-testing (contract-testing)","install_command":"npx skills add petrkindlmann/qa-skills --skill contract-testing","risk_summary":"Needs review; Blocked for auto-install; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"petrkindlmann-contract-testing","task":"Use contract-testing in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing","api":"https://www.openagentskill.com/api/agent/skills/petrkindlmann-contract-testing","audit":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=petrkindlmann-contract-testing&task=Use%20contract-testing%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20contract-testing%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20contract-testing%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/petrkindlmann-contract-testing/install","manifest":"https://www.openagentskill.com/api/registry/manifest/petrkindlmann-contract-testing"}},"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"petrkindlmann-contract-testing","name":"contract-testing","description":">-","category":"coding-agents","url":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing","repository":"https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing","github_repo":"petrkindlmann/qa-skills"},"suited_tasks":["GitHub automation workflows","Claude Code teams","builders willing to evaluate younger projects","Inspect repository metadata","Compare code changes","Write concise engineering summaries","Inspect source files","Explain architecture"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add petrkindlmann/qa-skills --skill contract-testing","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add petrkindlmann-contract-testing"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"contract-testing\" agent skill from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"contract-testing\" as a Claude Code skill from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"contract-testing\" from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."}],"handoff_url":"https://www.openagentskill.com/api/skills/petrkindlmann-contract-testing/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/petrkindlmann-contract-testing"},"trust":{"score":68,"label":"Manual review","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"111 GitHub stars","repoActivity":"111 stars, 22 forks","lastPushed":"3mo since push","license":"MIT","repository":"https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing","install":"npx skills add petrkindlmann/qa-skills --skill contract-testing","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, shell or command execution","documentation":"Usable metadata, review docs","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["coding-agents","agent-skill"],"known_risks":["Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Stars/forks activity: 111 stars, 22 forks; issue activity unavailable in current metadata","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":72,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Stars/forks activity: 111 stars, 22 forks; issue activity unavailable in current metadata","Dependency/runtime risk: command execution surface, credential or environment access"]},"safety_gate":{"tier":"blocked","label":"Blocked for auto-install","auto_install_policy":"block","auto_install_allowed":false,"human_review_required":true,"blocked":true,"recommended_action":"Do not auto-install. Inspect the source, dependencies, and permission surface first."},"quality":{"score":61,"label":"Promising"},"supply":{"track":"Coding and developer agents","scenario":"GitHub automation","maintenance":"3mo since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","high-compliance environments without internal security review","No OpenAgentSkill engagement data yet","High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision."],"agent_contract":{"task_input":"Use contract-testing in an agent workflow","recommended_action":"Do not auto-install. Inspect the source, dependencies, and permission surface first.","install_policy":"block","minimum_review_before_use":["Trust: 68/100 Manual review","Audit: 72/100 Needs review","Safety: 24/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"petrkindlmann-contract-testing (contract-testing)","install_command":"npx skills add petrkindlmann/qa-skills --skill contract-testing","risk_summary":"Needs review; Blocked for auto-install; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"petrkindlmann-contract-testing","task":"Use contract-testing in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing","api":"https://www.openagentskill.com/api/agent/skills/petrkindlmann-contract-testing","audit":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=petrkindlmann-contract-testing&task=Use%20contract-testing%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20contract-testing%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20contract-testing%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/petrkindlmann-contract-testing/install","manifest":"https://www.openagentskill.com/api/registry/manifest/petrkindlmann-contract-testing"}},"supply_profile":{"track":{"slug":"coding","label":"Coding and developer agents","shortLabel":"Coding","description":"Code review, repo analysis, testing, CI, GitHub, DevOps, and developer workflow skills."},"scenario":{"label":"GitHub automation","description":"I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.","useCases":[{"slug":"github-automation","title":"GitHub automation"},{"slug":"coding-agents","title":"Coding agents"},{"slug":"testing-qa","title":"Testing and QA"}]},"applicableAgents":["Claude Code","CLI","Codex","Cursor"],"install":{"ready":true,"command":"npx skills add petrkindlmann/qa-skills --skill contract-testing","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":111,"starsLabel":"111","forks":22,"license":"MIT","qualityScore":61,"trustScore":68,"auditScore":72},"maintenance":{"status":"active","label":"3mo since push","daysSincePush":89,"lastPushedAt":"2026-06-10T18:06:18+00:00"},"risk":{"level":"needs_review","label":"Needs review","requiresReview":true,"notes":["Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review"]},"coverageTags":["Coding","GitHub automation","coding-agents","agent-skill"]},"audit":{"audit_score":72,"risk_level":"needs_review","risk_label":"Needs review","quality_score":61,"trust_score":68,"maintenance_score":88,"security_score":73,"install_score":92,"warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Financial research output is not financial advice; require human review before any live investment decision","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","Stars/forks activity: 111 stars, 22 forks; issue activity unavailable in current metadata","Dependency/runtime risk: command execution surface, credential or environment access","Permission surface: secrets or environment access, shell or command execution"]},"quality_signals":{"model":"v2","star_score":14.34,"usage_score":0,"review_score":5.55,"metadata_score":3,"freshness_score":12},"platforms":["Claude Code"],"use_cases":[{"slug":"github-automation","title":"GitHub automation","url":"https://www.openagentskill.com/use-cases/github-automation"},{"slug":"coding-agents","title":"Coding agents","url":"https://www.openagentskill.com/use-cases/coding-agents"},{"slug":"testing-qa","title":"Testing and QA","url":"https://www.openagentskill.com/use-cases/testing-qa"},{"slug":"workflow-automation","title":"Workflow automation","url":"https://www.openagentskill.com/use-cases/workflow-automation"}],"stacks":[{"slug":"coding-review-agent","title":"Coding review agent","url":"https://www.openagentskill.com/collections/coding-review-agent"},{"slug":"content-growth-agent","title":"Content growth agent","url":"https://www.openagentskill.com/collections/content-growth-agent"},{"slug":"browser-qa-agent","title":"Browser QA agent","url":"https://www.openagentskill.com/collections/browser-qa-agent"}],"install":"npx skills add petrkindlmann/qa-skills --skill contract-testing","install_targets":[{"id":"openagentskill-cli","label":"CLI","title":"OpenAgentSkill CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add petrkindlmann-contract-testing","description":"Resolve policy, run the source installer safely, and report a verified install receipt.","copyLabel":"Copy command"},{"id":"codex","label":"Codex","title":"Codex install prompt","kind":"agent-prompt","value":"Install the \"contract-testing\" agent skill from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Give Codex a repo-aware install prompt when the skill is not available through a local CLI.","copyLabel":"Copy prompt"},{"id":"claude-code","label":"Claude Code","title":"Claude Code skill prompt","kind":"agent-prompt","value":"Add \"contract-testing\" as a Claude Code skill from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Use this prompt to ask Claude Code to add the skill and explain the local activation steps.","copyLabel":"Copy prompt"},{"id":"cursor","label":"Cursor","title":"Cursor rule prompt","kind":"agent-prompt","value":"Turn \"contract-testing\" from https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: >- After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"petrkindlmann-contract-testing\",\"task\":\"Install contract-testing\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Use this when installing as Cursor project rules or reusable agent instructions.","copyLabel":"Copy prompt"}],"repository":"https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing","github_repo":"petrkindlmann/qa-skills","version":"1.0.0","license":"MIT","urls":{"web":"https://www.openagentskill.com/skills/petrkindlmann-contract-testing","repository":"https://github.com/petrkindlmann/qa-skills/tree/main/skills/contract-testing","api":"/api/agent/skills/petrkindlmann-contract-testing","install_api":"/api/skills/petrkindlmann-contract-testing/install"},"meta":{"created_at":"2026-09-07T01:41:19.451418+00:00","updated_at":"2026-09-07T01:41:19.537723+00:00","agent_friendly":true}}