24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| benjamcalvin/bootstraps A curated collection reusable patterns, agentic skills, and hooks that work for the proble | 4 | Claude Code, Codex, OpenCode | 2 | 989 tok |
| jutlyne/codex-mcp Security-first MCP server for connecting ChatGPT and Codex to local repositories, with saf | 4 | Codex, OpenCode | 1 | 312 tok |
| Createya-ai/Createya-mcp Createya MCP & API — 100+ AI models (FLUX, Kling, Runway, Sora 2, Veo 3.1, Suno, Midjourne | 4 | Codex, OpenCode | 1 | 1,597 tok |
| ExposureGuard/haldir haldir.xyz The guardian layer for AI agents — identity, secrets, audit via MCP. Gate + Vault + Watch. | 4 | Codex, OpenCode | 1 | 1,769 tok |
| unsoldgroup/mail-index unsoldgroup.github.io A local, agent-queryable mail intelligence layer — progressive mailbox index + MCP server | 4 | Codex, OpenCode | 1 | 1,379 tok |
| smartdatabrokers/slideforge-mcp slideforge.dev MCP server for consulting-quality PowerPoint slides. Remote — no install required. | 4 | Claude Code, Codex, OpenCode | 2 | 1,548 tok |
| animicaorg/all animica.org Animica — post-quantum (ML-DSA-65) proof-of-work Layer-1 blockchain by Alexander Lehman: P | 4 | Codex, GitHub Copilot, OpenCode | 2 | 4,954 tok |
| Wolfe-Jam/rust-faf-mcp faf.one Persistent Project Context for Rust MCP clients — IANA-registered .faf format · Rust-nativ | 4 | Claude Code, Codex, OpenCode | 2 | 2,545 tok |
| Aboudjem/sniff Point it at your running app. It walks your real user flows in a real browser and tells yo | 4 | Claude Code, Codex, OpenCode | 2 | 3,217 tok |
| flytohub/flyto-indexer flyto2.com Shows what a code change can break before an AI edits, and checks the repo before it says | 4 | Claude Code, Codex, OpenCode | 2 | 2,945 tok |
| DinanathDash/Envault envault.tech Auditable .env secret manager featuring aggressive CLI safeguards and GitHub JIT access. | 4 | Claude Code, Codex | 3 | — |
| davidf9999/gx-mcp-server A Python server that exposes Great Expectations data quality tools to LLM agents via the M | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,420 tok |
| dawitlabs/capsule capsulectx.vercel.app Markdown context packs that help coding agents reduce repeated repository-discovery tokens | 4 | Claude Code, Codex, Cursor, OpenCode | 3 | 225 tok |
| l-agence/agence l-agence.github.io Governance layer for AI coding agents — every action classified, gated, and cryptographica | 4 | Claude Code, Codex, Cursor, OpenCode | 4 | 2,107 tok |
| go-ports/echovault Go port of echovault: Local-first memory for coding agents. Decisions, bugs, and context s | 4 | Claude Code, Codex, OpenCode | 2 | 4,651 tok |
| kuzivaai/getregula getregula.com Local code-observable AI-governance indicators for EU AI Act, South Korea AI Basic Act and | 4 | Codex, OpenCode | 1 | 915 tok |
| kanylbullen/xupersplit split.xuper.fun Accountless group expense splitter — share a link, everyone adds what they paid, settle up | 4 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| cyanheads/biorxiv-mcp-server npmjs.com Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — vi | 4 | Claude Code, Codex, OpenCode | 2 | 19,842 tok |
| iTophua/iterminal | 4 | Codex, OpenCode | 1 | 7,712 tok |
| qxchuckle/qcqx-project-manage marketplace.visualstudio.com A VSCode plugin for managing projects, potentially making them easier to use. | 4 | Claude Code, Codex, Cursor, OpenCode | 41 | 111 tok |
| scottchronicity/ephemeris-mcp pypi.org Precision astronomical ephemeris for AI agents. An MCP server providing planetary position | 4 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 1,032 tok |
| dev-proxy-tools/mcp aka.ms Dev Proxy MCP server | 4 | Claude Code, Codex | 1 | — |
| n24q02m/imagine-mcp mcp.n24q02m.com Image and video understanding + generation for AI agents -- across Gemini, OpenAI, and Gro | 4 | Claude Code, Codex, OpenCode | 2 | 4,418 tok |
| plumbkit/plumb getplumb.sh IDE intelligence for AI coding agents, with LSP semantics, tree-sitter indexing, project m | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 1,864 tok |
| Sintexer/jvm-source-lens | 4 | Claude Code, Codex, OpenCode | 2 | 2,207 tok |
| paarths-collab/quant-brain-mcp MCP Server for Stock Analysis, Backtesting, and Portfolio Intelligence | 4 | Claude Code, Codex, GitHub Copilot, Cursor | 3 | 1,142 tok |
| opengolfapi/mcp-server opengolfapi.org Official MCP server for OpenGolfAPI — 49 tools: golf course data, scoring, competitions, i | 4 | Codex, OpenCode | 1 | 303 tok |
| universalamateur/reclaim-mcp-server UNOFFICIAL & UNAFFILIATED – Not endorsed by Reclaim.ai. MCP server enabling Claude and Git | 4 | Codex, OpenCode | 1 | 1,705 tok |
| sandraschi/yahboom-mcp FastMCP 3.2 server plus Webapp for Yahboom Raspbot v2 robot car, ros2, raspberry pi | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 7 | 1,209 tok |
| sefaertunc/Worclaude sefaertunc.github.io CLI scaffolding tool that generates tailored .claude/ workflow infrastructure for Claude C | 4 | Claude Code, Codex, OpenCode | 14 | 3,023 tok |
| saagpatel/MCPAudit pypi.org Audit all locally configured MCP servers for permission risks, prompt injection threats, a | 4 | Claude Code, Codex, OpenCode | 2 | 438 tok |
| n-n-code/n-n-code-skills Just Another Agent skill repository. | 4 | Codex, OpenCode | 1 | 1,022 tok |
| Ici17/Ici-bar Bartender Agent — a cocktail-teaching skill from beginner to master level | 4 | Codex, OpenCode | 1 | 507 tok |
| n-shadloo/secure-code-auditor Backend security Agent Skill that helps AI audit code, detect vulnerabilities, and generat | 4 | Codex, Gemini CLI, OpenCode | 2 | 1,598 tok |
| zephexMCP/zephex-MCPs zephex.dev Hosted MCP + CLI + web terminal for Cursor/Claude/Codex. get_project_context, find_code, c | 4 | Codex, OpenCode | 1 | 442 tok |
| slopstopper/plumb-line slopstopper.org Stop uncertain data becoming confident-looking results. plumb-line carries provenance, con | 4 | Codex, OpenCode | 1 | 1,875 tok |
| calt13/claude-skills-integration-templates Drop-in Markdown snippets that enable any Agent CLI to discover and use Claude Skills — ev | 4 | Codex, OpenCode | 1 | 1,789 tok |
| vcode-sh/dokploy-mcp npmjs.com MCP server for Dokploy. Two tools up front, 524 generated procedures underneath. Real depl | 4 | Claude Code, Codex, OpenCode | 2 | 769 tok |
| piotrkowalczuk/zordon zordon.io Give every parallel coding agent its own local stack and develop with guardrails. | 4 | Claude Code, Codex, OpenCode | 5 | 2,043 tok |
| subodhkc/ai-appsec Evidence-backed AppSec for AI applications and agents. Powered by HAIEC. | 4 | Codex, OpenCode | 1 | 2,730 tok |
| jamestkelly/diffler Generate comprehension quizzes from Git branch diffs for Claude Code, OpenCode, and pull-r | 4 | Claude Code, Codex, OpenCode | 2 | 743 tok |
| bx33661/oh-my-vul npmjs.com Evidence-first vulnerability research workspace and Skills for Claude Code and Codex. | 4 | Codex, OpenCode | 1 | 449 tok |
| NTCHz/off-by-none Claude Code skill for spec-faithful implementation: spec-derived tests, mandatory boundary | 4 | Claude Code, Codex | 1 | 389 tok |
| 5kahoisaac/skillless You don’t need to be skillful — your agent’s got all the skills. Being skillless is totall | 4 | Claude Code, Codex, OpenCode | 2 | 602 tok |
| MercuriusDream/agent-estate | 4 | Codex, OpenCode | 1 | 1,251 tok |
| 8Dionysus/aoa-skills Bounded agent-facing skill bundles for coding agents and humans: reviewable execution work | 4 | Codex, OpenCode | 1 | 755 tok |
| rolandbrecht/agent-skills A collection of shareable, high-quality AI coding agent skills and workflows. These skills | 4 | Claude Code, Codex, OpenCode | 2 | 1,084 tok |
| souljorje/agent-skills Collection of hand-crafted skills | 4 | Codex, OpenCode | 1 | 322 tok |
| computerlovetech/skills Agent skills published by computerlove.tech <3 | 4 | Claude Code, Codex, OpenCode | 2 | 251 tok |
| pax-k/build-right Agent-agnostic skills that turn a fuzzy app idea into evidence-backed AI execution. | 4 | Codex, OpenCode | 1 | 770 tok |