{"eval":{"version":"openagentskill-skill-eval-v1","slug":"yuki001-gat-milestone","name":"gat-milestone","generated_at":"2026-08-23T20:00:25.970Z","task_input":"Evaluate gat-milestone before installing it in an AI agent workflow","status":"review","score":68,"risk_level":"medium","decision":{"recommendation":"manual_review","reason":"Test manually in an isolated workspace and compare against safer alternatives.","auto_install_allowed":false,"policy":"review","human_review_required":true},"task_fit":{"score":94,"suited_tasks":["Coding agents workflows","Claude Code teams","builders willing to evaluate younger projects","Inspect source files","Explain architecture","Patch bugs and verify changes","Move data between tools","Transform files"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"]},"install":{"command":"npx skills add Yuki001/game-dev-skills --skill gat-milestone","ready":true,"policy":"review","safety_label":"Review before install","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 yuki001-gat-milestone"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"gat-milestone\" agent skill from https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone. 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: Plan milestone slices from overview + narrative alone (no system GDDs required), create per-milestone directory skeletons and briefs, and write gat/milestone/milestone.md. Runs before per-system design. Stops before technical design, task breakdown, or implementation. 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\":\"yuki001-gat-milestone\",\"task\":\"Install gat-milestone\",\"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 \"gat-milestone\" as a Claude Code skill from https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone. 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: Plan milestone slices from overview + narrative alone (no system GDDs required), create per-milestone directory skeletons and briefs, and write gat/milestone/milestone.md. Runs before per-system design. Stops before technical design, task breakdown, or implementation. 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\":\"yuki001-gat-milestone\",\"task\":\"Install gat-milestone\",\"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 \"gat-milestone\" from https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone 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: Plan milestone slices from overview + narrative alone (no system GDDs required), create per-milestone directory skeletons and briefs, and write gat/milestone/milestone.md. Runs before per-system design. Stops before technical design, task breakdown, or implementation. 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\":\"yuki001-gat-milestone\",\"task\":\"Install gat-milestone\",\"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."}]},"trust":{"score":67,"label":"Manual review","version":"trust-score-v4","evidence":{"stars":"57 GitHub stars","repoActivity":"57 stars, 9 forks","lastPushed":"3d since push","license":"Unknown","repository":"https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone","install":"npx skills add Yuki001/game-dev-skills --skill gat-milestone","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access","documentation":"Usable metadata, review docs","agentOutcomes":"No agent outcome data yet"}},"audit":{"score":73,"risk_level":"needs_review","risk_label":"Needs review","warnings":["License is unclear","Repository license is unknown, which creates uncertainty about usage rights and redistribution.","Skill depends on external files and agents (`gat-planner`, templates at `.claude/docs/templates/plan/`) that are not included in the skill directory; if missing, the skill will fail.","Quality score needs review","GitHub adoption: 57 GitHub stars","Stars/forks activity: 57 stars, 9 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"safety_gate":{"score":57,"tier":"experimental","label":"Experimental","auto_install_policy":"review","blocked":false,"permission_hints":[{"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"}],"policy_warnings":["License is unclear"]},"checks":[{"id":"task_fit","label":"Task fit","status":"pass","score":94,"required_for_auto_install":true,"detail":"Task wording matches this skill metadata.","evidence":["Evaluate gat-milestone before installing it in an AI agent workflow","design-creative","Coding agents workflows; Claude Code teams; builders willing to evaluate younger projects"]},{"id":"install_path","label":"Install path","status":"pass","score":92,"required_for_auto_install":true,"detail":"Install handoff is available.","evidence":["npx skills add Yuki001/game-dev-skills --skill gat-milestone"]},{"id":"install_safety","label":"Install command safety","status":"pass","score":92,"required_for_auto_install":true,"detail":"standard package or runtime install path","evidence":["npx skills add Yuki001/game-dev-skills --skill gat-milestone"]},{"id":"trust_score","label":"Trust score","status":"warn","score":67,"required_for_auto_install":true,"detail":"Potentially useful, but at least one trust signal needs human inspection.","evidence":["Manual review","57 GitHub stars","Unknown"]},{"id":"audit_score","label":"Audit score","status":"warn","score":73,"required_for_auto_install":true,"detail":"Needs review","evidence":["License is unclear"]},{"id":"agent_safety_gate","label":"Agent safety gate","status":"warn","score":57,"required_for_auto_install":true,"detail":"Sparse or mixed signals. Useful for discovery, but not for autonomous installation.","evidence":["Test manually in an isolated workspace and compare against safer alternatives.","License is unclear"]},{"id":"readme_skillmd_completeness","label":"README/SKILL.md completeness","status":"warn","score":76,"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":"warn","score":42,"required_for_auto_install":true,"detail":"Unknown","evidence":["Unknown"]},{"id":"recent_maintenance","label":"Recent maintenance","status":"pass","score":100,"required_for_auto_install":false,"detail":"3d since push","evidence":["3d since push"]},{"id":"permission_surface","label":"Permission surface","status":"pass","score":86,"required_for_auto_install":true,"detail":"filesystem or document access","evidence":["Network access: medium","Filesystem access: medium"]},{"id":"alternatives","label":"Alternatives available","status":"pass","score":82,"required_for_auto_install":false,"detail":"Alternative skills are available for comparison.","evidence":["anthropic-frontend-design","design-taste-frontend","anthropic-canvas-design","anthropic-brand-guidelines"]}],"blockers":[],"warnings":["Trust score: Potentially useful, but at least one trust signal needs human inspection.","Audit score: Needs review","Agent safety gate: Sparse or mixed signals. Useful for discovery, but not for autonomous installation.","README/SKILL.md completeness: Public metadata needs stronger README/SKILL.md context","License clarity: Unknown","License is unclear","Repository license is unknown, which creates uncertainty about usage rights and redistribution.","Skill depends on external files and agents (`gat-planner`, templates at `.claude/docs/templates/plan/`) that are not included in the skill directory; if missing, the skill will fail.","Quality score needs review","GitHub adoption: 57 GitHub stars","Stars/forks activity: 57 stars, 9 forks; issue activity unavailable in current metadata"],"validation_plan":["Inspect repository, README/SKILL.md, license, and recent commits before production use.","Install in an isolated workspace or sandbox with no production secrets available.","Run the smallest representative task and record files touched, commands run, network access, and outputs.","Compare the selected skill against at least one alternative when the eval status is review or failed.","Promote only after the agent reports a successful verification result and unresolved warnings are accepted."],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Repository license is unknown, which creates uncertainty about usage rights and redistribution.","License is unclear","Skill depends on external files and agents (`gat-planner`, templates at `.claude/docs/templates/plan/`) that are not included in the skill directory; if missing, the skill will fail.","Quality score needs review","GitHub adoption: 57 GitHub stars","Stars/forks activity: 57 stars, 9 forks; issue activity unavailable in current metadata"],"alternatives":[{"slug":"anthropic-frontend-design","name":"Frontend Design","url":"https://www.openagentskill.com/skills/anthropic-frontend-design","stars":171052,"install_command":"npx skills add anthropics/skills --skill frontend-design","trust_score":91,"audit_score":93},{"slug":"design-taste-frontend","name":"Taste Skill: Anti-Slop Frontend","url":"https://www.openagentskill.com/skills/design-taste-frontend","stars":79380,"install_command":"npx skills add Leonxlnx/taste-skill --skill design-taste-frontend","trust_score":94,"audit_score":96},{"slug":"anthropic-canvas-design","name":"Canvas Design","url":"https://www.openagentskill.com/skills/anthropic-canvas-design","stars":171052,"install_command":"npx skills add anthropics/skills --skill canvas-design","trust_score":90,"audit_score":93},{"slug":"anthropic-brand-guidelines","name":"Anthropic Brand Guidelines","url":"https://www.openagentskill.com/skills/anthropic-brand-guidelines","stars":171052,"install_command":"npx skills add anthropics/skills --skill brand-guidelines","trust_score":91,"audit_score":93}],"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"yuki001-gat-milestone","name":"gat-milestone","description":"Plan milestone slices from overview + narrative alone (no system GDDs required), create per-milestone directory skeletons and briefs, and write gat/milestone/milestone.md. Runs before per-system design. Stops before technical design, task breakdown, or implementation.","category":"design-creative","url":"https://www.openagentskill.com/skills/yuki001-gat-milestone","repository":"https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone","github_repo":"Yuki001/game-dev-skills"},"suited_tasks":["Coding agents workflows","Claude Code teams","builders willing to evaluate younger projects","Inspect source files","Explain architecture","Patch bugs and verify changes","Move data between tools","Transform files"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add Yuki001/game-dev-skills --skill gat-milestone","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 yuki001-gat-milestone"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"gat-milestone\" agent skill from https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone. 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: Plan milestone slices from overview + narrative alone (no system GDDs required), create per-milestone directory skeletons and briefs, and write gat/milestone/milestone.md. Runs before per-system design. Stops before technical design, task breakdown, or implementation. 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\":\"yuki001-gat-milestone\",\"task\":\"Install gat-milestone\",\"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 \"gat-milestone\" as a Claude Code skill from https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone. 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: Plan milestone slices from overview + narrative alone (no system GDDs required), create per-milestone directory skeletons and briefs, and write gat/milestone/milestone.md. Runs before per-system design. Stops before technical design, task breakdown, or implementation. 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\":\"yuki001-gat-milestone\",\"task\":\"Install gat-milestone\",\"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 \"gat-milestone\" from https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone 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: Plan milestone slices from overview + narrative alone (no system GDDs required), create per-milestone directory skeletons and briefs, and write gat/milestone/milestone.md. Runs before per-system design. Stops before technical design, task breakdown, or implementation. 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\":\"yuki001-gat-milestone\",\"task\":\"Install gat-milestone\",\"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/yuki001-gat-milestone/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/yuki001-gat-milestone"},"trust":{"score":67,"label":"Manual review","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"57 GitHub stars","repoActivity":"57 stars, 9 forks","lastPushed":"3d since push","license":"Unknown","repository":"https://github.com/Yuki001/game-dev-skills/tree/main/gat/.claude/skills/gat-milestone","install":"npx skills add Yuki001/game-dev-skills --skill gat-milestone","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access","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":["design-creative","agent-skill"],"known_risks":["Repository license is unknown, which creates uncertainty about usage rights and redistribution.","License is unclear","Quality score needs review","GitHub adoption: 57 GitHub stars","Stars/forks activity: 57 stars, 9 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"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":73,"risk_level":"needs_review","risk_label":"Needs review","warnings":["License is unclear","Repository license is unknown, which creates uncertainty about usage rights and redistribution.","Skill depends on external files and agents (`gat-planner`, templates at `.claude/docs/templates/plan/`) that are not included in the skill directory; if missing, the skill will fail.","Quality score needs review","GitHub adoption: 57 GitHub stars","Stars/forks activity: 57 stars, 9 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"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":59,"label":"Promising"},"supply":{"track":"Design and creative production","scenario":"Design and creative","maintenance":"3d since push","risk":"Needs review"},"alternative_skills":[{"slug":"anthropic-frontend-design","name":"Frontend Design","url":"https://www.openagentskill.com/skills/anthropic-frontend-design","stars":171052,"install_command":"npx skills add anthropics/skills --skill frontend-design","trust_score":91,"audit_score":93},{"slug":"design-taste-frontend","name":"Taste Skill: Anti-Slop Frontend","url":"https://www.openagentskill.com/skills/design-taste-frontend","stars":79380,"install_command":"npx skills add Leonxlnx/taste-skill --skill design-taste-frontend","trust_score":94,"audit_score":96},{"slug":"anthropic-canvas-design","name":"Canvas Design","url":"https://www.openagentskill.com/skills/anthropic-canvas-design","stars":171052,"install_command":"npx skills add anthropics/skills --skill canvas-design","trust_score":90,"audit_score":93},{"slug":"anthropic-brand-guidelines","name":"Anthropic Brand Guidelines","url":"https://www.openagentskill.com/skills/anthropic-brand-guidelines","stars":171052,"install_command":"npx skills add anthropics/skills --skill brand-guidelines","trust_score":91,"audit_score":93}],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Repository license is unknown, which creates uncertainty about usage rights and redistribution.","License is unclear","Skill depends on external files and agents (`gat-planner`, templates at `.claude/docs/templates/plan/`) that are not included in the skill directory; if missing, the skill will fail.","Quality score needs review","GitHub adoption: 57 GitHub stars","Stars/forks activity: 57 stars, 9 forks; issue activity unavailable in current metadata"],"agent_contract":{"task_input":"Evaluate gat-milestone before installing it in an AI agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 67/100 Manual review","Audit: 73/100 Needs review","Safety: 57/100 Review before install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"yuki001-gat-milestone (gat-milestone)","install_command":"npx skills add Yuki001/game-dev-skills --skill gat-milestone","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":"yuki001-gat-milestone","task":"Evaluate gat-milestone before installing it in an AI 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/yuki001-gat-milestone","api":"https://www.openagentskill.com/api/agent/skills/yuki001-gat-milestone","audit":"https://www.openagentskill.com/skills/yuki001-gat-milestone/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=yuki001-gat-milestone&task=Evaluate%20gat-milestone%20before%20installing%20it%20in%20an%20AI%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Evaluate%20gat-milestone%20before%20installing%20it%20in%20an%20AI%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Evaluate%20gat-milestone%20before%20installing%20it%20in%20an%20AI%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/yuki001-gat-milestone/install","manifest":"https://www.openagentskill.com/api/registry/manifest/yuki001-gat-milestone"}},"endpoints":{"web":"https://www.openagentskill.com/skills/yuki001-gat-milestone","api":"https://www.openagentskill.com/api/agent/skills/yuki001-gat-milestone","eval":"https://www.openagentskill.com/api/agent/evals?slug=yuki001-gat-milestone","audit":"https://www.openagentskill.com/skills/yuki001-gat-milestone/audit","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Evaluate%20gat-milestone%20before%20installing%20it%20in%20an%20AI%20agent%20workflow&agent=codex&max_risk=medium"}},"meta":{"endpoint":"/api/agent/evals","mode":"skill_eval","purpose":"Pre-install eval contract for a single skill. Agents should read this before installing a reusable skill.","generated_at":"2026-08-23T20:00:25.970Z"}}