{"slug":"kpab-claude-fable-5-skills","name":"Claude Fable 5 Skills","description":"10 Fable 5-native agent skills — Works with Claude Code, Cursor, Copilot","long_description":"# claude-fable-5-skills\n\n**10 battle-ready Agent Skills for Claude Fable 5** — the first skill collection designed around how Claude Fable 5 actually behaves, not how older models needed to be babysat.\n\n[日本語版 README はこちら →](README.ja.md)\n\n> Anthropic's own guidance for Fable 5 notes that skills written for prior models are often too prescriptive for it and can *degrade* output quality. Old skills micromanage; Fable 5 needs intent, boundaries, and verification hooks instead. Every skill here is written Fable 5-first.\n\nWorks with **Claude Code, Claude Cowork, Cursor, Copilot, Gemini CLI**, and any harness that reads `SKILL.md` files (agentskills.io-style: YAML frontmatter + Markdown body).\n\n## The 10 skills\n\n| # | Skill | What it fixes |\n|---|-------|---------------|\n| 1 | [`skill-refactorer`](skills/skill-refactorer/SKILL.md) | **The meta-skill.** Audits your pre-Fable-5 skills/prompts, deletes capability-compensation scaffolding, keeps real guardrails. |\n| 2 | [`act-when-ready`](skills/act-when-ready/SKILL.md) | Over-planning at high effort: re-deriving settled facts, surveying options it won't pursue. |\n| 3 | [`effort-calibrator`](skills/effort-calibrator/SKILL.md) | Picking the right `effort` level per workload; Fable 5 at lower effort often beats older models at `xhigh`. |\n| 4 | [`no-gold-plating`](skills/no-gold-plating/SKILL.md) | Diffs bigger than the ask: unrequested refactors, speculative abstractions, impossible-state error handling. |\n| 5 | [`grounded-progress`](skills/grounded-progress/SKILL.md) | Status reports on long runs must point at tool-result evidence — no more \"tests passing\" that never ran. |\n| 6 | [`scope-guard`](skills/scope-guard/SKILL.md) | \"Diagnose\" ≠ \"fix\". No unrequested actions, no state changes on pattern-matched evidence. |\n| 7 | [`subagent-orchestration`](skills/subagent-orchestration/SKILL.md) | Parallel delegation, long-lived workers, and fresh-context verifier subagents that out-perform self-critique. |\n| 8 | [`markdown-memory`](s","tagline":"10 Fable 5-native agent skills — Works with Claude Code, Cursor, Copilot","category":"utility","tags":["agent-skill","skill","agent","collection-like"],"author":"kpab","verified":false,"attribution":{"status":"community_indexed","statusLabel":"Community indexed","shortLabel":"COMMUNITY INDEXED","sourceLabel":"OpenAgentSkill auto-indexer","sourceDetail":"kpab/claude-fable-5-skills","creatorName":"kpab","creatorUrl":"https://github.com/kpab","sourceUrl":"https://github.com/kpab/claude-fable-5-skills","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/kpab-claude-fable-5-skills#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":13,"forks":1,"verified_installs":0,"successful_runs":0,"total_outcomes":0,"rating":0,"review_count":0,"quality_score":45.02},"quality":{"score":69,"tier":"promising","label":"Promising","summary":"Useful candidate, but compare it with alternatives before adopting.","signals":[{"label":"GitHub stars","value":"13","tone":"neutral"},{"label":"Freshness","value":"1mo ago","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"MIT","tone":"neutral"}],"warnings":["Low GitHub adoption signal"]},"trust":{"version":"trust-score-v5","score":63,"base_score":71,"outcome_confidence":0,"tier":"review","label":"Sandbox only","summary":"Useful candidate with missing or mixed trust signals. 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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":77,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Financial research output is not financial advice; require human review before any live investment decision","Low GitHub adoption signal","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","GitHub adoption: 13 GitHub stars","Stars/forks activity: 13 stars, 1 forks; issue activity unavailable in current metadata"]},"safety_gate":{"tier":"experimental","label":"Experimental","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives."},"quality":{"score":69,"label":"Promising"},"supply":{"track":"Research and knowledge work","scenario":"Research agents","maintenance":"1mo 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","High-risk permission hints: Shell or command execution","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","GitHub adoption: 13 GitHub stars"],"agent_contract":{"task_input":"Use Claude Fable 5 Skills in an agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 71/100 Manual review","Audit: 77/100 Needs review","Safety: 49/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"kpab-claude-fable-5-skills (Claude Fable 5 Skills)","install_command":"npx skills add kpab/claude-fable-5-skills","risk_summary":"Needs review; Experimental; 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":"kpab-claude-fable-5-skills","task":"Use Claude Fable 5 Skills 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/kpab-claude-fable-5-skills","api":"https://www.openagentskill.com/api/agent/skills/kpab-claude-fable-5-skills","audit":"https://www.openagentskill.com/skills/kpab-claude-fable-5-skills/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=kpab-claude-fable-5-skills&task=Use%20Claude%20Fable%205%20Skills%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20Claude%20Fable%205%20Skills%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20Claude%20Fable%205%20Skills%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/kpab-claude-fable-5-skills/install","manifest":"https://www.openagentskill.com/api/registry/manifest/kpab-claude-fable-5-skills"}},"supply_profile":{"track":{"slug":"research","label":"Research and knowledge work","shortLabel":"Research","description":"Deep research, source comparison, literature review, RAG, knowledge search, and reports."},"scenario":{"label":"Research agents","description":"I need my agent to research a topic, compare sources, and produce a concise report.","useCases":[{"slug":"browser-automation","title":"Browser automation"},{"slug":"local-desktop","title":"Local desktop"},{"slug":"coding-agents","title":"Coding agents"}]},"applicableAgents":["Claude Code","Cursor","CLI","Codex"],"install":{"ready":true,"command":"npx skills add kpab/claude-fable-5-skills","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":13,"starsLabel":"13","forks":1,"license":"MIT","qualityScore":69,"trustScore":71,"auditScore":77},"maintenance":{"status":"active","label":"1mo since push","daysSincePush":31,"lastPushedAt":"2026-07-22T07:21:11+00:00"},"risk":{"level":"needs_review","label":"Needs review","requiresReview":true,"notes":["Financial research output is not financial advice; require human review before any live investment decision","Low GitHub adoption signal","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","GitHub adoption: 13 GitHub stars"]},"coverageTags":["Research","Research agents","utility","agent-skill","skill","agent","collection-like"]},"audit":{"audit_score":77,"risk_level":"needs_review","risk_label":"Needs review","quality_score":69,"trust_score":71,"maintenance_score":88,"security_score":82,"install_score":92,"warnings":["Financial research output is not financial advice; require human review before any live investment decision","Low GitHub adoption signal","Financial research output is not financial advice; require human review before any live investment decision.","Quality score needs review","GitHub adoption: 13 GitHub stars","Stars/forks activity: 13 stars, 1 forks; issue activity unavailable in current metadata"]},"quality_signals":{"model":"v2","star_score":8.02,"usage_score":0,"review_score":15,"metadata_score":7,"freshness_score":15},"platforms":["Claude Code","Cursor"],"use_cases":[{"slug":"browser-automation","title":"Browser automation","url":"https://www.openagentskill.com/use-cases/browser-automation"},{"slug":"local-desktop","title":"Local desktop","url":"https://www.openagentskill.com/use-cases/local-desktop"},{"slug":"coding-agents","title":"Coding agents","url":"https://www.openagentskill.com/use-cases/coding-agents"},{"slug":"research-agents","title":"Research agents","url":"https://www.openagentskill.com/use-cases/research-agents"}],"stacks":[{"slug":"browser-qa-agent","title":"Browser QA agent","url":"https://www.openagentskill.com/collections/browser-qa-agent"},{"slug":"frontend-product-ui","title":"Frontend and UI","url":"https://www.openagentskill.com/collections/frontend-product-ui"},{"slug":"coding-review-agent","title":"Coding review agent","url":"https://www.openagentskill.com/collections/coding-review-agent"}],"install":"npx skills add kpab/claude-fable-5-skills","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 kpab-claude-fable-5-skills","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 \"Claude Fable 5 Skills\" agent skill from https://github.com/kpab/claude-fable-5-skills. 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: 10 Fable 5-native agent skills — Works with Claude Code, Cursor, Copilot 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\":\"kpab-claude-fable-5-skills\",\"task\":\"Install Claude Fable 5 Skills\",\"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 \"Claude Fable 5 Skills\" as a Claude Code skill from https://github.com/kpab/claude-fable-5-skills. 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: 10 Fable 5-native agent skills — Works with Claude Code, Cursor, Copilot 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\":\"kpab-claude-fable-5-skills\",\"task\":\"Install Claude Fable 5 Skills\",\"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 \"Claude Fable 5 Skills\" from https://github.com/kpab/claude-fable-5-skills 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: 10 Fable 5-native agent skills — Works with Claude Code, Cursor, Copilot 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\":\"kpab-claude-fable-5-skills\",\"task\":\"Install Claude Fable 5 Skills\",\"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/kpab/claude-fable-5-skills","github_repo":"kpab/claude-fable-5-skills","version":"1.0.0","license":"MIT","urls":{"web":"https://www.openagentskill.com/skills/kpab-claude-fable-5-skills","repository":"https://github.com/kpab/claude-fable-5-skills","api":"/api/agent/skills/kpab-claude-fable-5-skills","install_api":"/api/skills/kpab-claude-fable-5-skills/install"},"meta":{"created_at":"2026-07-22T08:35:50.978036+00:00","updated_at":"2026-08-18T17:22:21.819119+00:00","agent_friendly":true}}