43,750 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents7,690Claude Code6,656Data and AI3,669Backend and APIs3,506Languages3,395Planning3,227Git and workflow3,219Code review2,753Testing2,387Memory and context2,368Writing and docs2,331DevOps and cloud2,317Research2,292Frontend2,266Security2,036Productivity1,725
All Claude Code31,992 Codex23,401 OpenCode22,346 GitHub Copilot3,564 Gemini CLI1,917 Cursor1,741 Windsurf146 Kiro83
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Price-Win/pricewin-skills-hub Agent skills for hotel search & OTA price comparison (Agoda · Booking · Google Hotels · Op | 1 | Claude Code | 1 | 2,267 tok |
| stealthsrc/steam-mcp MCP server exposing Steam Web API to Claude Code and Gemini CLI - player profiles, game li | 1 | Claude Code | 9 | — |
| delexw/claude-code-misc Personal Used Claude Code Skills and Agents. | 1 | Claude Code, Codex, OpenCode | 3 | 2,840 tok |
| PrecisionUtilityGuild/docforge npmjs.com Agent-grade document production MCP server powered by Typst, plus Forge, a Slack agent for | 1 | Claude Code, Codex, OpenCode | 2 | 939 tok |
| jakemarsh/ccthread Read, search, and have Claude summarize your Claude Code conversation logs from the CLI. | 1 | Claude Code | 1 | 2,891 tok |
| lihaokun/outlook-mcp MCP server for Outlook — enables AI assistants to access email, contacts, and calendars vi | 1 | Claude Code | 1 | 489 tok |
| guanhxuan/sshcode-mcp | 1 | Codex, OpenCode | 1 | 539 tok |
| valarpirai/code-graph Pre-indexed code knowledge graph for Claude Code, Codex, OpenCode — fewer tokens, fewer to | 1 | Claude Code | 1 | 772 tok |
| getreka/reka getreka.dev Memory infrastructure for AI coding assistants — Claude Code plugin, MCP server, semantic | 1 | Claude Code | 2 | 2,865 tok |
| musictechlab/mtl-trello-mcp MCP server for Trello project management | 1 | Claude Code | 1 | 348 tok |
| alexandme/textql-mcp Open-Source MCP server for AI models and agents to interact with SQL/Graph databases using | 1 | Codex, OpenCode | 1 | 2,037 tok |
| zircote-plugins/autoresearch Autonomous skill improvement loop for Claude Code plugins — inspired by Karpathy's autores | 1 | Claude Code | 1 | — |
| kenspc/kenspc-claude-plugin Principle-first software-development workflow for Claude Code — brief → plan → task → impl | 1 | Claude Code | 1 | 4,910 tok |
| zircote/elixir-lsp Claude Code plugin for Elixir development with ElixirLS LSP and mix format hooks | 1 | Claude Code | 1 | 175 tok |
| epicsagas/toefl-prep TOEFL iBT study plugin — fully offline grading of all 4 sections (Reading/Listening/Speaki | 1 | Claude Code, Codex, OpenCode | 1 | 1,035 tok |
| tulaman/youtube-watchlater-mcp MCP server for fetching your YouTube Watch Later playlist via yt-dlp | 1 | Claude Code | 1 | 374 tok |
| bilalmk/todo_correct Todo Evolution Hackathon - Spec-Driven Development with SpecKit Plus | 1 | Claude Code | 40 | 7,696 tok |
| maduwanthasathsara0-hub/claude-proj-blueprint Build modular project blueprints for Claude Code, Obsidian, and Figma teams from solo MVPs | 1 | Claude Code | 1 | 2,098 tok |
| ishan-parihar/instagram-mcp-server Instagram MCP server — social media automation via Model Context Protocol | 1 | Claude Code, Codex, OpenCode | 3 | 1,393 tok |
| Anmol202005/kira-mcp pypi.org A local Model Context Protocol server that gives any MCP-compatible agent host (Claude Des | 1 | Claude Code, Codex, OpenCode | 2 | 758 tok |
| XyndoX/good-bad-ugly The Good, the Bad and the Ugly — tiered multi-agent orchestration for Claude Code | 1 | Codex, OpenCode | 1 | 773 tok |
| spmisha134/skillOps-vscode Vscode plugin for creating and validating Codex, Claude and Gemini skills inside a project | 1 | Claude Code, Codex, OpenCode | 2 | 1,934 tok |
| robin-heat/i18n-mcp | 1 | Claude Code | 1 | — |
| kefapps/onepassword-mcp-codex Standalone MCP server for 1Password desktop app integrations with opaque-by-default secret | 1 | Codex, OpenCode | 1 | 1,012 tok |
| alexander-vyh/claude-profiles Switch Claude Code between Anthropic direct and custom LLM gateway profiles via slash comm | 1 | Claude Code, Codex, OpenCode | 2 | 1,233 tok |
| hhamja/claude-code-harness Claude Code plugin for loop engineering: implement-verify cycles with machine-verifiable s | 1 | Claude Code | 1 | 289 tok |
| zircote/lua-lsp Claude Code plugin for Lua development with lua-language-server and luacheck hooks | 1 | Claude Code | 1 | 327 tok |
| Nazzero/ai-handoff Structured handoff documents for AI coding agents. Type /handoff to generate session summa | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 205 tok |
| PBNZ/repo-kit RepoKit — a reusable repo standard + /new-repo scaffolder, packaged as a Claude Code plugi | 1 | Claude Code, Codex, OpenCode | 3 | 704 tok |
| Captcha-Sonic/Agent-skills captchasonic.com Solve any CAPTCHA with AI — reCAPTCHA, Cloudflare Turnstile, popular captcha, Geetest, AWS | 1 | Claude Code | 1 | 400 tok |
| iaglourenco/needle Needle is a lightweight system tray application that keeps track of Claude Code sessions, | 1 | Claude Code | 1 | 1,601 tok |
| june9593/memarium-plugin june9593.github.io Memarium Claude Code plugin — digest sessions into chronicles + topics, recall past notes | 1 | Claude Code | 1 | 833 tok |
| seungyeop-lee/beads-starter Bring the beads issue-tracker workflow to AI coding agents — always-on bash installer (AGE | 1 | Claude Code, Codex, OpenCode | 3 | 5,972 tok |
| leonhoffmann86/team-sprint leonhoffmann.net 🏃 Sprint — every TODO item gets a full mini-sprint: autonomous plan→implement→review for | 1 | Claude Code | 1 | 5,352 tok |
| zircote/zig-lsp Claude Code plugin for Zig development with zls LSP and zig fmt hooks | 1 | Claude Code | 1 | 341 tok |
| zircote/sql-lsp Claude Code plugin for SQL development with sql-language-server and sqlfluff hooks | 1 | Claude Code | 1 | 468 tok |
| 0nyr/g5k-kickstart | 1 | Claude Code, Codex, OpenCode | 2 | 540 tok |
| NVZver/claude-marketplace Claude Code plugins for spec-first development: every agent claim cites a source, every co | 1 | Claude Code, Codex, OpenCode | 4 | 1,095 tok |
| Akash97p/agent-notify akash97p.github.io AgentNotify is a local Windows human-attention broker for autonomous coding agents. Agents | 1 | Claude Code, Codex, OpenCode | 2 | 2,063 tok |
| hansohn/marketplace-skills A Claude Code plugin for reselling secondhand items — live eBay pricing, buyer-optimized p | 1 | Claude Code | 1 | 1,499 tok |
| haunchen/gemini-plugin-cc Claude Code plugin marketplace integrating Gemini CLI — second-opinion code review, securi | 1 | Claude Code | 1 | 4,992 tok |
| OC-NeuralSense/reader-first-writing-skills An editorial system for AI agents (Claude Code, Codex): 12 skills, independent review agen | 1 | Codex, OpenCode | 1 | 661 tok |
| painhardcore/pstack Portable coding-agent workflows adapted from Cursor’s pstack for Codex, Claude Code, and O | 1 | Codex, OpenCode | 1 | 493 tok |
| rana/skills Cognitive infrastructure for the SRF Online Teachings Portal — 37 skills, 9 commands, 4 ag | 1 | Claude Code | 1 | 1,575 tok |
| artttj/llama-steve sonto.space Llama Steve analyzes your actual product to identify and ship game-changing features. Maxi | 1 | Codex, OpenCode | 1 | 817 tok |
| odere-pro/claude-calibration odere-pro.github.io Claude Code plugin that calibrates your setup with an evaluate → plan → calibrate → re-eva | 1 | Claude Code | 3 | 2,887 tok |
| odere-pro/claude-oop-excellence odere-pro.github.io Claude Code plugin that enforces good object-oriented design in any language — audits for | 1 | Claude Code | 2 | 1,406 tok |
| takoyaro/the-agency A talent agency for Claude Code subagents. Every role goes to the fictional character born | 1 | Claude Code | 1 | 713 tok |
| MKanhan/archlint archlint.pro Architectural guardrails for AI coding agents — a Claude Code hook (+ Cursor) that checks | 1 | Claude Code | 1 | 66 tok |
| zyeri/claude-snapshot Back up, restore, and diff your Claude Code configuration across machines and OSes — secre | 1 | Claude Code | 1 | 3,894 tok |