{"slug":"darkroomengineering-checkpoint","name":"checkpoint","description":"Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save.","tagline":"Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save.","category":"automation","tags":["agent-skill"],"author":{"name":"darkroomengineering","verified":false,"url":"https://github.com/darkroomengineering"},"attribution":{"status":"registry_indexed","statusLabel":"Registry indexed","shortLabel":"REGISTRY INDEXED","sourceLabel":"recursive skill source sync","sourceDetail":"darkroomengineering/cc-settings","creatorName":"darkroomengineering","creatorUrl":"https://github.com/darkroomengineering","sourceUrl":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/darkroomengineering-checkpoint#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. Creators can claim the listing to update ownership signals."},"stats":{"stars":42,"forks":3,"verified_installs":0,"install_attempts":0,"successful_runs":0,"total_outcomes":0,"downloads":0,"rating":0,"review_count":0,"quality_score":34.98},"quality":{"score":63,"tier":"promising","label":"Promising","summary":"Useful candidate, but compare it with alternatives before adopting.","signals":[{"label":"GitHub stars","value":"42","tone":"neutral"},{"label":"Freshness","value":"3d ago","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"MIT","tone":"neutral"}],"warnings":["Low GitHub adoption signal","The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed."]},"trust":{"version":"trust-score-v4","score":67,"tier":"review","label":"Manual review","summary":"Potentially useful, but at least one trust signal needs human inspection.","recommendedAction":"Inspect the repository, license, and recent activity before connecting it to agent workflows.","dimensions":[{"id":"github_adoption","label":"GitHub adoption","score":48,"weight":0.13,"status":"warn","detail":"42 GitHub stars"},{"id":"repo_activity","label":"Stars/forks activity","score":43,"weight":0.08,"status":"warn","detail":"42 stars, 3 forks; issue activity unavailable in current metadata"},{"id":"maintenance","label":"Recent maintenance","score":100,"weight":0.14,"status":"pass","detail":"3d since push"},{"id":"license","label":"License clarity","score":86,"weight":0.09,"status":"pass","detail":"MIT"},{"id":"documentation","label":"README/SKILL.md completeness","score":86,"weight":0.14,"status":"pass","detail":"Metadata includes enough usage and workflow context"},{"id":"dependency_risk","label":"Dependency/runtime risk","score":64,"weight":0.12,"status":"info","detail":"command execution surface, database surface"},{"id":"installability","label":"Install availability","score":92,"weight":0.1,"status":"pass","detail":"npx skills add darkroomengineering/cc-settings --skill checkpoint"},{"id":"install_safety","label":"Install command safety","score":92,"weight":0.1,"status":"pass","detail":"standard package or runtime install path"},{"id":"permission_surface","label":"Permission surface","score":50,"weight":0.07,"status":"warn","detail":"shell or command execution, filesystem or document access"},{"id":"repository","label":"Repository evidence","score":86,"weight":0.04,"status":"pass","detail":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint"},{"id":"review_status","label":"Review status","score":66,"weight":0.05,"status":"info","detail":"AI review data available"},{"id":"agent_outcomes","label":"Agent Proven outcomes","score":54,"weight":0.13,"status":"info","detail":"No agent outcome data yet"}],"checks":[{"status":"warn","label":"GitHub adoption","detail":"42 GitHub stars"},{"status":"warn","label":"Stars/forks activity","detail":"42 stars, 3 forks; issue activity unavailable in current metadata"},{"status":"pass","label":"Recent maintenance","detail":"3d since push"},{"status":"pass","label":"License clarity","detail":"MIT"},{"status":"pass","label":"README/SKILL.md completeness","detail":"Metadata includes enough usage and workflow context"},{"status":"info","label":"Dependency/runtime risk","detail":"command execution surface, database surface"},{"status":"pass","label":"Install availability","detail":"npx skills add darkroomengineering/cc-settings --skill checkpoint"},{"status":"pass","label":"Install command safety","detail":"standard package or runtime install path"},{"status":"warn","label":"Permission surface","detail":"shell or command execution, filesystem or document access"},{"status":"pass","label":"Repository evidence","detail":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint"},{"status":"info","label":"Review status","detail":"AI review data available"},{"status":"info","label":"Agent Proven outcomes","detail":"No agent outcome data yet"},{"status":"warn","label":"Ownership","detail":"No approved owner claim yet"},{"status":"info","label":"OpenAgentSkill usage","detail":"No local usage activity yet"},{"status":"info","label":"Agent outcomes","detail":"No agent outcome data yet"}],"strengths":["AI review approved","Install path is available","Repository evidence is available","Recently maintained repository","Install command has no obvious high-risk pattern"],"warnings":["The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","GitHub adoption: 42 GitHub stars","Stars/forks activity: 42 stars, 3 forks; issue activity unavailable in current metadata","Permission surface: shell or command execution, filesystem or document access"],"evidence":{"stars":"42 GitHub stars","repoActivity":"42 stars, 3 forks","lastPushed":"3d since push","license":"MIT","repository":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint","install":"npx skills add darkroomengineering/cc-settings --skill checkpoint","installSafety":"standard package or runtime install path","permissionSurface":"shell or command execution, filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"installReadiness":{"ready":true,"command":"npx skills add darkroomengineering/cc-settings --skill checkpoint","policy":"human_review_before_install","label":"Human review before install","notes":["Install path is available","Repository evidence is available","License is declared","No Agent Proven outcome evidence yet","3d since push"]},"agentCompatibility":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"riskSummary":{"level":"medium","label":"Review before production","notes":["The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","GitHub adoption: 42 GitHub stars"]},"outcomeEvidence":{"total":0,"successes":0,"failures":0,"notRelevant":0,"successRate":null,"installAttempts":0,"riskBlocked":0,"setupRequired":0,"installSuccessRate":null,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"recentSuccessRate":null,"recentFailureRate":null,"uniqueAgents":0,"agentProvenScore":0,"agentProvenLabel":"Needs first agent run","lastOutcomeAt":null,"label":"No agent outcome data yet"},"autoInstall":{"allowed":false,"sandboxRequired":true,"policy":"human_review_before_install","reason":"Human review or sandbox validation is required before automatic installation."},"bestFor":["automation","agent-skill"],"doNotUseFor":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"knownRisks":["The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","GitHub adoption: 42 GitHub stars","Stars/forks activity: 42 stars, 3 forks; issue activity unavailable in current metadata","Permission surface: shell or command execution, filesystem or document access"]},"safety":{"score":30,"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":"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","Permission surface may require sandboxing"],"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,"human_review_required":true,"blocked":true,"recommended_action":"Do not auto-install. Inspect the source, dependencies, and permission surface first.","reasons":["Metadata combines secrets access with shell or command execution","High-risk permission hints: Shell or command execution, Secrets or environment access"]},"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":"workflow-automation","title":"Workflow automation"},{"slug":"github-automation","title":"GitHub automation"},{"slug":"local-desktop","title":"Local desktop"}]},"applicableAgents":["Claude Code","CLI","Codex","Cursor"],"install":{"ready":true,"command":"npx skills add darkroomengineering/cc-settings --skill checkpoint","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":42,"starsLabel":"42","forks":3,"license":"MIT","qualityScore":63,"trustScore":67,"auditScore":74},"maintenance":{"status":"fresh","label":"3d since push","daysSincePush":3,"lastPushedAt":"2026-08-20T12:25:31+00:00"},"risk":{"level":"needs_review","label":"Needs review","requiresReview":true,"notes":["Permission surface may require sandboxing","The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","The skill does not specify the required environment (e.g., bun, git) or how to handle missing dependencies.","Low GitHub adoption signal","Quality score needs review"]},"coverageTags":["Coding","GitHub automation","automation","agent-skill"]},"audit":{"audit_score":74,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Permission surface may require sandboxing","The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","The skill does not specify the required environment (e.g., bun, git) or how to handle missing dependencies.","Low GitHub adoption signal","Quality score needs review"]},"decision":{"readiness_score":62,"readiness_label":"Prototype first","headline":"Fallback candidate for Workflow automation","role":"Fallback candidate","primary_fit":"Workflow automation","best_for":["Workflow automation workflows","Claude Code teams","builders willing to evaluate younger projects"],"risks":["Low GitHub adoption signal","The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","No OpenAgentSkill engagement data yet"],"next_steps":["Install it in a sandbox agent and run one Workflow automation task end to end.","Compare output quality, latency, and failure behavior against at least one alternative.","Promote it into production only after reviewing repository permissions, license, and maintenance signals."]},"agent_readable_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"darkroomengineering-checkpoint","name":"checkpoint","description":"Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save.","category":"automation","url":"https://www.openagentskill.com/skills/darkroomengineering-checkpoint","repository":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint","github_repo":"darkroomengineering/cc-settings"},"suited_tasks":["Workflow automation workflows","Claude Code teams","builders willing to evaluate younger projects","Move data between tools","Transform files","Trigger repeatable actions","Inspect repository metadata","Compare code changes"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add darkroomengineering/cc-settings --skill checkpoint","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install darkroomengineering-checkpoint"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"checkpoint\" agent skill from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint. 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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 \"checkpoint\" as a Claude Code skill from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint. 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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 \"checkpoint\" from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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/darkroomengineering-checkpoint/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/darkroomengineering-checkpoint"},"trust":{"score":67,"label":"Manual review","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"42 GitHub stars","repoActivity":"42 stars, 3 forks","lastPushed":"3d since push","license":"MIT","repository":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint","install":"npx skills add darkroomengineering/cc-settings --skill checkpoint","installSafety":"standard package or runtime install path","permissionSurface":"shell or command execution, filesystem or document access","documentation":"Strong README/SKILL.md context","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":["automation","agent-skill"],"known_risks":["The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","GitHub adoption: 42 GitHub stars","Stars/forks activity: 42 stars, 3 forks; issue activity unavailable in current metadata","Permission surface: shell or command execution, filesystem or document access"]},"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":74,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Permission surface may require sandboxing","The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","The skill does not specify the required environment (e.g., bun, git) or how to handle missing dependencies.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","GitHub adoption: 42 GitHub stars","Stars/forks activity: 42 stars, 3 forks; issue activity unavailable in current metadata"]},"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":63,"label":"Promising"},"supply":{"track":"Coding and developer agents","scenario":"GitHub automation","maintenance":"3d since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Low GitHub adoption signal","The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","No OpenAgentSkill engagement data yet","High-risk permission hints: Shell or command execution, Secrets or environment access","Permission surface may require sandboxing","The skill does not specify the required environment (e.g., bun, git) or how to handle missing dependencies."],"agent_contract":{"task_input":"Use checkpoint 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: 67/100 Manual review","Audit: 74/100 Needs review","Safety: 30/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"darkroomengineering-checkpoint (checkpoint)","install_command":"npx skills add darkroomengineering/cc-settings --skill checkpoint","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":"darkroomengineering-checkpoint","task":"Use checkpoint 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/darkroomengineering-checkpoint","api":"https://www.openagentskill.com/api/agent/skills/darkroomengineering-checkpoint","audit":"https://www.openagentskill.com/skills/darkroomengineering-checkpoint/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=darkroomengineering-checkpoint&task=Use%20checkpoint%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20checkpoint%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20checkpoint%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/darkroomengineering-checkpoint/install","manifest":"https://www.openagentskill.com/api/registry/manifest/darkroomengineering-checkpoint"}},"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"darkroomengineering-checkpoint","name":"checkpoint","description":"Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save.","category":"automation","url":"https://www.openagentskill.com/skills/darkroomengineering-checkpoint","repository":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint","github_repo":"darkroomengineering/cc-settings"},"suited_tasks":["Workflow automation workflows","Claude Code teams","builders willing to evaluate younger projects","Move data between tools","Transform files","Trigger repeatable actions","Inspect repository metadata","Compare code changes"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add darkroomengineering/cc-settings --skill checkpoint","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install darkroomengineering-checkpoint"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"checkpoint\" agent skill from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint. 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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 \"checkpoint\" as a Claude Code skill from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint. 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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 \"checkpoint\" from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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/darkroomengineering-checkpoint/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/darkroomengineering-checkpoint"},"trust":{"score":67,"label":"Manual review","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"42 GitHub stars","repoActivity":"42 stars, 3 forks","lastPushed":"3d since push","license":"MIT","repository":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint","install":"npx skills add darkroomengineering/cc-settings --skill checkpoint","installSafety":"standard package or runtime install path","permissionSurface":"shell or command execution, filesystem or document access","documentation":"Strong README/SKILL.md context","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":["automation","agent-skill"],"known_risks":["The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","GitHub adoption: 42 GitHub stars","Stars/forks activity: 42 stars, 3 forks; issue activity unavailable in current metadata","Permission surface: shell or command execution, filesystem or document access"]},"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":74,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Permission surface may require sandboxing","The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","The skill does not specify the required environment (e.g., bun, git) or how to handle missing dependencies.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","GitHub adoption: 42 GitHub stars","Stars/forks activity: 42 stars, 3 forks; issue activity unavailable in current metadata"]},"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":63,"label":"Promising"},"supply":{"track":"Coding and developer agents","scenario":"GitHub automation","maintenance":"3d since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Low GitHub adoption signal","The skill references a script at `~/.claude/src/scripts/checkpoint.ts` but does not provide installation or setup instructions, nor does it include the script in the skill directory. This may cause the skill to fail if the script is not pre-installed.","No OpenAgentSkill engagement data yet","High-risk permission hints: Shell or command execution, Secrets or environment access","Permission surface may require sandboxing","The skill does not specify the required environment (e.g., bun, git) or how to handle missing dependencies."],"agent_contract":{"task_input":"Use checkpoint 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: 67/100 Manual review","Audit: 74/100 Needs review","Safety: 30/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"darkroomengineering-checkpoint (checkpoint)","install_command":"npx skills add darkroomengineering/cc-settings --skill checkpoint","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":"darkroomengineering-checkpoint","task":"Use checkpoint 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/darkroomengineering-checkpoint","api":"https://www.openagentskill.com/api/agent/skills/darkroomengineering-checkpoint","audit":"https://www.openagentskill.com/skills/darkroomengineering-checkpoint/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=darkroomengineering-checkpoint&task=Use%20checkpoint%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20checkpoint%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20checkpoint%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/darkroomengineering-checkpoint/install","manifest":"https://www.openagentskill.com/api/registry/manifest/darkroomengineering-checkpoint"}},"platforms":["Claude Code"],"use_cases":[{"slug":"workflow-automation","title":"Workflow automation","url":"https://www.openagentskill.com/use-cases/workflow-automation"},{"slug":"github-automation","title":"GitHub automation","url":"https://www.openagentskill.com/use-cases/github-automation"},{"slug":"local-desktop","title":"Local desktop","url":"https://www.openagentskill.com/use-cases/local-desktop"},{"slug":"browser-automation","title":"Browser automation","url":"https://www.openagentskill.com/use-cases/browser-automation"}],"install":"npx skills add darkroomengineering/cc-settings --skill checkpoint","install_targets":[{"id":"openagentskill-cli","label":"CLI","title":"OpenAgentSkill CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install darkroomengineering-checkpoint","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 \"checkpoint\" agent skill from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint. 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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 \"checkpoint\" as a Claude Code skill from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint. 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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 \"checkpoint\" from https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint 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: Mid-task rollback points — save/restore state before risky ops (refactors, migrations, destructive edits). For end-of-session save use `/handoff`. Triggers \"checkpoint\", \"snapshot\", \"before this risky op\", \"rollback to\", \"list checkpoints\", pre-refactor save. 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\":\"darkroomengineering-checkpoint\",\"task\":\"Install checkpoint\",\"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/darkroomengineering/cc-settings/tree/main/skills/checkpoint","github_repo":"darkroomengineering/cc-settings","version":"1.0.0","license":"MIT","updated_at":"2026-08-20T12:37:56.006389+00:00","canonical_key":"darkroomengineering/cc-settings#skills/checkpoint","recommendation_reasons":["Install handoff is available","Repository freshness signal is available"],"urls":{"web":"https://www.openagentskill.com/skills/darkroomengineering-checkpoint","api":"https://www.openagentskill.com/api/agent/skills/darkroomengineering-checkpoint","install_api":"https://www.openagentskill.com/api/skills/darkroomengineering-checkpoint/install","audit":"https://www.openagentskill.com/skills/darkroomengineering-checkpoint/audit","repository":"https://github.com/darkroomengineering/cc-settings/tree/main/skills/checkpoint"},"meta":{"endpoint":"/api/registry/manifest/{slug}","canonical_agent_endpoint":"/api/agent/skills/darkroomengineering-checkpoint","agent_friendly":true,"api_version":"1.0","generated_at":"2026-08-24T00:56:27.230Z"}}