Plan & spec
10,946 rows, by stacks then stars
2,010 of these skill files have been read, by 1,360 distinct authors, and what they tell an agent counted. What Plan & spec authors agree on, and what they forbid
newmindsgroup/ai-agent-skills-library/sources/sickn33-antigravity-awesome-skills/skills/ux-strategy Skill
1★ repoShared library of AI agent skills — works across Claude Code, Cursor, Codex, Windsurf, OpenCode, and Google Antigravity via a single universal installer.
bmaltais/skills/plan Skill
no license1★ repobmaltais/skills/to-issues Skill
no license1★ repoNjoyimPeguy/augments/plugins/augments/skills/spec-it Skill
1★ repoA collection of rigorous, phase-isolated SDLC skills to tether autonomous agents to real-world engineering standards.
NjoyimPeguy/augments/plugins/augments/skills/writing-plans Skill
1★ repoA collection of rigorous, phase-isolated SDLC skills to tether autonomous agents to real-world engineering standards.
NjoyimPeguy/augments/skills/analysis/spec-it Skill
1★ repoA collection of rigorous, phase-isolated SDLC skills to tether autonomous agents to real-world engineering standards.
NjoyimPeguy/augments/skills/design/writing-plans Skill
1★ repoA collection of rigorous, phase-isolated SDLC skills to tether autonomous agents to real-world engineering standards.
celeryhq/simplified-ai/skills/social-content-planner Skill
1★ repoRubenGlez/harness/skills/product-plan Skill
1★ repoMy personal development harness for Claude Code and Codex. Use at your own risk.
roebi/sw-dev-agent-framework/skills/design-architecture-en Skill
no license1★ repoAn agentic framework that does exactly one thing: **software development**. Built with TDD. Every line of production code was preceded by a failing test.
alwyndsouza/agile-story-skills/.github/skills/problem-framing Skill
no license1★ repoAI agent skills for agile story writing, story splitting, problem framing, and sprint goal generation.
idanmann10/vivarium-world/domains/research/skills/query-decomposition Skill
no license1★ repoGit-hosted cultural commons for Vivarium skills, anti-patterns, traces, runs, trust gates, and validation workflows.
idanmann10/vivarium-world/domains/summarization/skills/audience-first-brief Skill
no license1★ repoGit-hosted cultural commons for Vivarium skills, anti-patterns, traces, runs, trust gates, and validation workflows.
SamuelBostic29/claude-skills/skills/plan-from-issue Skill
1★ repoPortable, high-quality Claude Code skills — self-contained, opinionated, and convergent.
SamuelBostic29/claude-skills/skills/plan-next Skill
1★ repoPortable, high-quality Claude Code skills — self-contained, opinionated, and convergent.
SamuelBostic29/claude-skills/skills/plan-review Skill
1★ repoPortable, high-quality Claude Code skills — self-contained, opinionated, and convergent.
SamuelBostic29/claude-skills/skills/plan-save Skill
1★ repoPortable, high-quality Claude Code skills — self-contained, opinionated, and convergent.
workingclassbuddha/codexmaxxing/skills/route-idea-to-slice Skill
1★ repoUI skills for Codex: design passes, browser automation, screenshots, responsive checks, and evidence packs.
MN755/Codex-Mission_Control/.codex/plugins/mission-control/skills/mission-control-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/.codex/plugins/mission-control/skills/mission-control-recovery-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/.codex/plugins/mission-control/skills/mission-control-restore-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/.codex/skills/mission-control-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/.codex/skills/mission-control-recovery-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/.codex/skills/mission-control-restore-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/apps/mcp-server/src/mission_control_mcp_server/_bundled/skills/mission-control-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/apps/mcp-server/src/mission_control_mcp_server/_bundled/skills/mission-control-recovery-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/apps/mcp-server/src/mission_control_mcp_server/_bundled/skills/mission-control-restore-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/plugins/mission-control/skills/mission-control-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/plugins/mission-control/skills/mission-control-recovery-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
MN755/Codex-Mission_Control/plugins/mission-control/skills/mission-control-restore-plan Skill
1★ repoAn Open Source Platform For Building Projects With OpenAI's Codex, Claude CLI, And Other Coding LLMs Using Multi-Agent Swarms And Customizable Workflows. Runs On Windows, MacOS, And Linux.
olzn/skills/skills/pre-build-review Skill
1★ repoPersonal agent skills for Paper-first UI prototyping and design engineering.
IrfanSadiqRahat/constellation/agents/growth-lead Skill
no license1★ repo200 role-specific AI agents across 20 teams with typed artifact pipelines, 14 methodology skills, and 15 pre-baked team formations. The virtual engineering org for Claude Code, Cursor, Codex CLI.
IrfanSadiqRahat/constellation/agents/migration-planner Skill
no license1★ repo200 role-specific AI agents across 20 teams with typed artifact pipelines, 14 methodology skills, and 15 pre-baked team formations. The virtual engineering org for Claude Code, Cursor, Codex CLI.
IrfanSadiqRahat/constellation/agents/prd-writer Skill
no license1★ repo200 role-specific AI agents across 20 teams with typed artifact pipelines, 14 methodology skills, and 15 pre-baked team formations. The virtual engineering org for Claude Code, Cursor, Codex CLI.
IrfanSadiqRahat/constellation/agents/product-strategist Skill
no license1★ repo200 role-specific AI agents across 20 teams with typed artifact pipelines, 14 methodology skills, and 15 pre-baked team formations. The virtual engineering org for Claude Code, Cursor, Codex CLI.
IrfanSadiqRahat/constellation/methodology/planning-with-artifacts Skill
no license1★ repo200 role-specific AI agents across 20 teams with typed artifact pipelines, 14 methodology skills, and 15 pre-baked team formations. The virtual engineering org for Claude Code, Cursor, Codex CLI.
contextosai/skills/skills/plan-change Skill
1★ repoA collection of Agent Skills — self-contained folders that teach AI agents to perform specialized tasks. Includes a production-readiness harness-audit skill, a plugin marketplace, a SKILL.md spec, and CI validation.
jakebrownscombe/science-lab-AI-framework/skills/simple/analysis-planning Skill
1★ repoA customizable framework for using LLMs in scientific workflows.
jakebrownscombe/science-lab-AI-framework/skills/simple/reviewer-reply-drafting Skill
1★ repoA customizable framework for using LLMs in scientific workflows.
jakebrownscombe/science-lab-AI-framework/skills/simple/reviewer-reply-planning Skill
1★ repoA customizable framework for using LLMs in scientific workflows.
jakebrownscombe/science-lab-AI-framework/skills/workflows/research-iterate Skill
1★ repoA customizable framework for using LLMs in scientific workflows.
wamalalawrence/agent-skills/skills/domain-modeler Skill
1★ repoOpen-source AI agent skill definitions for software engineering and related public-good workflows.
NVZver/claude-marketplace/lsa/skills/reconcile Skill
1★ repoClaude Code plugins for spec-first development: every agent claim cites a source, every code change traces to a requirement, and ceremony scales to the weight of the task.
NVZver/claude-marketplace/manager/skills/decompose Skill
1★ repoClaude Code plugins for spec-first development: every agent claim cites a source, every code change traces to a requirement, and ceremony scales to the weight of the task.
NVZver/claude-marketplace/manager/skills/shape Skill
1★ repoClaude Code plugins for spec-first development: every agent claim cites a source, every code change traces to a requirement, and ceremony scales to the weight of the task.
findscripter/everything-skills/00-meta/plan-execution-checkpoints Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/00-meta/premortem-plan-challenger Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/00-meta/query-decomposition-search Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/01-documents/codebase-to-prd Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/01-documents/doc-to-math-spec Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/02-engineering/ddd-strategic-design Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
Observability strategy designer
findscripter/everything-skills/02-engineering/observability-strategy-designer Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/02-engineering/spec-driven-workflow Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/03-data/data-strategy-review Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/05-business/content-strategy-planner Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/05-business/contract-proposal-writer Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/05-business/free-tool-marketing-strategy Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/05-business/headcount-org-planner Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
International expansion strategy
findscripter/everything-skills/05-business/international-expansion-strategy Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.
findscripter/everything-skills/05-business/interview-plan-builder Skill
no license1★ repo类书式 AI Agent 技能大典 · 精选/中文化/互见成网的 500+ 开源技能，可作为 Claude Code 插件市场一键安装。A curated, cross-referenced encyclopedia of 500+ open-source agent skills.