23,819 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 agents8,549Claude Code6,896Git and workflow3,630Data and AI3,579Backend and APIs3,559Languages3,491Planning3,321Code review2,909Testing2,691DevOps and cloud2,492Writing and docs2,490Memory and context2,374Research2,321Frontend2,311Security2,183Project management1,977
All Claude Code32,540 Codex24,898 OpenCode23,819 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| alyiox/mcp-walmart-marketplace MCP server for Walmart Marketplace APIs (US, 3P seller) | 0 | Claude Code, Codex, OpenCode | 2 | 998 tok |
| andezdev/tokenlite-mysql-mcp npmjs.com A secure, efficient, and intelligent MySQL server for the Model Context Protocol (MCP). | 0 | Codex, OpenCode | 1 | 1,164 tok |
| andypgray/loadbearing nuget.org Fluent C# architecture spec that enforces the rules (CLI, CI, xUnit) and generates AI-agen | 0 | Claude Code, Codex, OpenCode | 1 | 6,853 tok |
| antonillos/safeselect antonillos.github.io Read-only PostgreSQL & MongoDB access for coding agents. Local, fail-closed MCP enforcemen | 0 | Codex, OpenCode | 1 | 723 tok |
| attebury/remogram Generic SCM/forge boundary CLI and MCP — typed JSON facts for agents | 0 | Codex, OpenCode | 1 | 542 tok |
| FusionpactTech/fusionpact-vectordb ⚡ The Agent-Native Retrieval Engine — Hybrid Vector + Reasoning + Memory for AI Agents. HN | 0 | Codex, OpenCode | 1 | 2,037 tok |
| avclabs/media-mcp mcp.avc.ai AVCLabs Media MCP Client | 0 | Codex, OpenCode | 1 | 117 tok |
| bchoi-qwe/aeso-mcp Agent-native MCP server for Alberta electricity market data via official AESO APIs | 0 | Codex, OpenCode | 1 | 216 tok |
| bendtherules/ask262 ask262.bendtherules.in MCP server for exploring the ECMAScript specification | 0 | Codex, OpenCode | 1 | 869 tok |
| benmilne-com/agents Agent discovery configuration and developer resources for benmilne.com | 0 | Claude Code, Codex, Cursor, OpenCode | 3 | 725 tok |
| benteigland11/cartograph-mcp Model Context Protocol (MCP) server for cartograph-cli for better agent orchestration | 0 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 563 tok |
| benzatkulak-collab/socialperks social-perks.vercel.app | 0 | Claude Code, Codex, OpenCode | 30 | 6,445 tok |
| bgorzelic/ghostlink Security-hardened MCP server giving AI coding agents safe, deterministic, policy-gated acc | 0 | Claude Code, Codex, OpenCode | 2 | 1,756 tok |
| blackaxgit/agent-mcp-hub npmjs.com One MCP server that bridges Codex, Cursor, OpenCode, and Claude Code into any MCP client. | 0 | Claude Code, Codex, OpenCode | 2 | 6,489 tok |
| blueprint-chart/mcp mcp.blueprintchart.com Model Context Protocol server for authoring Blueprint Chart .bpc files with LLMs. | 0 | Codex, OpenCode | 1 | 1,597 tok |
| branpastran/project-weirdo A bounded-autonomy experiment in machine-to-machine commercial intelligence. | 0 | Codex, OpenCode | 1 | 115 tok |
| indlns/mcp-arrstack | 0 | Codex, OpenCode | 1 | 3,594 tok |
| wr5912/openapi-mcp-server | 0 | Codex, OpenCode | 2 | 1,457 tok |
| RitikaxG/commerce-ops-mcp | 0 | Codex, OpenCode | 1 | 2,078 tok |
| Roxabi/roxabi-sense Workstation attention journal — local sensors, CLI, MCP, optional NATS host events | 0 | Claude Code, Codex, OpenCode | 2 | 2,239 tok |
| v1xingyue/mcpbuddy mcpbuddy.vercel.app | 0 | Codex, OpenCode | 1 | 1,378 tok |
| capabilityhostprotocol/capabilities-txt capabilities-txt.vercel.app | 0 | Codex, OpenCode | 1 | 265 tok |
| carson-see/ArkovaCarson arkova-carson.vercel.app Arkova MVP — credential anchoring and verification platform with Bitcoin timestamping, AI | 0 | Claude Code, Codex, OpenCode | 12 | 11,243 tok |
| carsonroell-debug/linkrescue-mcp MCP server for broken link detection, monitoring, and AI-powered fix suggestions. Built wi | 0 | Codex, OpenCode | 1 | 689 tok |
| chaytanc/longshore mastodon.social The Reality Next Door — an open, cited worldbuilding commons: a post-extraction Seattle on | 0 | Codex, OpenCode | 1 | 2,093 tok |
| chrischall/gemini-mcp Generate and edit images with Google Gemini (Nano Banana / Nano Banana Pro) via the Gemini | 0 | Claude Code, Codex, OpenCode | 2 | 15,420 tok |
| chrischall/myhotlunchbox-mcp MCP server for My Hot Lunchbox — school lunch calendar, ordering, and payments for a paren | 0 | Claude Code, Codex, OpenCode | 2 | 1,894 tok |
| chrischall/skill-mcp An MCP server that serves a directory of Agent Skills — lists them, hands out their instru | 0 | Claude Code, Codex, OpenCode | 2 | 1,928 tok |
| christianclaudio/mcp-server-smartsheet-rm Enterprise MCP server for Resource Management by Smartsheet (10,000ft API). Automate times | 0 | Codex, OpenCode | 1 | 6,583 tok |
| clervo/clervo clervo.dev Outcome infrastructure for AI agents: Search, AI, secure sandbox, multi-chain RPC, predict | 0 | Claude Code, Codex, OpenCode | 11 | 973 tok |
| clarkthomas/clearlot clearlot.vercel.app HardwareHQ Clearlot — agent intent tape for hardware/MRO. Quotes via Shopify UCP/WebMCP. F | 0 | Codex, OpenCode | 1 | 165 tok |
| ckorhonen/hone-skills cdd.dev Claude Code skills that run on a cadence to fight code entropy — method brevity, naming cl | 0 | Codex, OpenCode | 1 | 763 tok |
| cristianmoroaica/bountyverdict cristianmoroaica.github.io Seven x402 decision APIs and installable agent skills for GitHub bounties, CI, skill secur | 0 | Codex, OpenCode | 1 | 324 tok |
| crp4222/pmq Fail-closed Polymarket CLOB V2 execution for Python: local signing, exchange-confirmed fil | 0 | Claude Code, Codex, OpenCode | 2 | 2,214 tok |
| crytobot459/eurorwa rwa-dashboard-gamma.vercel.app EuroRWA - EU Tokenized Money Market Fund dashboard (real web data + onchain attestation) | 0 | Codex, OpenCode | 1 | 779 tok |
| daedalus/mcp-manimgl mcp-manimgl — MCP server exposing manimgl mathematical animation functionality | 0 | Codex, OpenCode | 1 | 692 tok |
| daedalus/mcp-rpcbind MCP server exposing rpcbind/RPC portmapper functionality. | 0 | Codex, OpenCode | 1 | 222 tok |
| daedalus/mcp-sparql MCP server exposing SPARQL query functionalities for LLMs | 0 | Codex, OpenCode | 1 | 442 tok |
| daedalusdevelopmentgroup/ddg-agent-payable-services Pay-per-call x402 gateway for AI agents — MCP server + OpenAI-compatible API for agent too | 0 | Codex, OpenCode | 1 | 635 tok |
| daidaiJ/2native-ssh-mcp SSH MCP server implemented in Go: AI remote command execution and file transfer, with SSH | 0 | Codex, OpenCode | 1 | 2,884 tok |
| dan94k/brazilian-dev-mcp | 0 | Codex, OpenCode | 2 | 666 tok |
| davidmosiah/astral-mcp astral.delx.ai Precision-audited astrology MCP for AI agents — natal charts, transits, synastry & moon ph | 0 | Codex, OpenCode | 1 | 433 tok |
| davidmosiah/delx-agent-utilities ontology.delx.ai Open-source stateless utility tools for AI agents: URL, DNS, TLS, OpenAPI, x402, JWT, CSV/ | 0 | Codex, OpenCode | 1 | 248 tok |
| davidmosiah/delx-living-body wellness.delx.ai Meta-MCP that composes 15 Delx Wellness connectors. Ask one question, get a synthesized an | 0 | Codex, OpenCode | 1 | 635 tok |
| davidmosiah/wellness-cycle-coach npmjs.com Local-first menstrual cycle coach MCP — orchestrates Apple Health Cycle, Garmin women's he | 0 | Codex, OpenCode | 1 | 381 tok |
| detailobsessed/codereviewbuddy codereviewbuddy helps your AI agent interact with AI code review--smoothly. | 0 | Claude Code, Codex, OpenCode | 2 | 3,650 tok |
| devzspy/discourse-mcp-extended Fork of discourse/discourse-mcp extended with Discourse review-queue tools (list/approve/r | 0 | Codex, OpenCode | 1 | 785 tok |
| dbwls99706/deadends.dev deadends.dev Structured failure knowledge infrastructure for AI agents — dead ends, workarounds, and er | 0 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 5,533 tok |
| dir-ai/repotector ⬡ The repo guardian AI agents handshake with before they touch your code. Handshake-first | 0 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 648 tok |
| etymolt/mcp-server etymolt.com Official MCP server for Etymolt — the fact-check layer for LLM-generated names. Drop-in to | 0 | Claude Code, Codex, OpenCode | 2 | 896 tok |