32,006 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 agents7,609Claude Code6,644Data and AI3,677Backend and APIs3,502Languages3,403Planning3,220Git and workflow3,193Code review2,743Testing2,377Memory and context2,363DevOps and cloud2,314Writing and docs2,311Research2,293Frontend2,259Security2,022Productivity1,721
All Claude Code32,006 Codex23,251 OpenCode22,198 GitHub Copilot3,552 Gemini CLI1,917 Cursor1,737 Windsurf138 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| solozerolabs/Namera CLI tool for checking name availability across domains, trademarks, and more | 4 | Claude Code, Codex, OpenCode | 3 | 4,412 tok |
| FrankGenGo/solana-web3js-mcp-server MCP server for Solana web3.js development and smart contract deployment | 4 | Claude Code | 1 | 1,400 tok |
| Polly2014/TideWatch-MCP-Server | 4 | Claude Code | 1 | 6,680 tok |
| nealrichardson/zendesk-mcp-server | 4 | Claude Code | 1 | 2,174 tok |
| bxxd/mcp-edgar-ux SEC EDGAR filings for AI agents. Returns file paths (not 241K tokens). Use Read/Grep/Bash | 4 | Claude Code | 1 | 6 tok |
| h-d-engineer/OpenEMT h-d-engineer.github.io The electromagnetic transient simulator built for AI agents | 4 | Claude Code | 1 | 2,031 tok |
| gamittal-ak/alecs-mcp-server-akamai solutionsedge.io ALECS (A LaunchGrid for Edge & Cloud Services) is a community driven project creating a MC | 4 | Claude Code | 1 | 810 tok |
| cpoder/wm-mcp-server MCP server for managing webMethods Integration Server via pure HTTP API - 336 tools for fl | 4 | Claude Code | 1 | 3,580 tok |
| Eleven-Mouse/MCP-server A pure Java MCP (Model Context Protocol) Server implemented from scratch without depending | 4 | Claude Code | 2 | — |
| cyanheads/survey-mcp-server Transform LLMs into intelligent interviewers. MCP server for conducting dynamic, conversat | 4 | Claude Code, Codex, OpenCode | 2 | 9,030 tok |
| layervai/qurl-mcp MCP server for QURL - secure link management for AI agents | 4 | Claude Code | 1 | 3,591 tok |
| vishnu2kmohan/mcp-server-langgraph mcp-server-langgraph.mintlify.app Agent Studio with Federated Single Sign-On and Fine-Grained Access Controls | 4 | Claude Code, GitHub Copilot, Cursor | 48 | 4,381 tok |
| UltimaPhoenix/dev-coach ultimaphoenix.github.io Stay sharp while your AI does the work — local MCP coach that teaches one concept per task | 4 | Claude Code | 1 | 6,404 tok |
| aplaceforallmystuff/mcp-kit An MCP (Model Context Protocol) server that connects AI assistants like Claude to the [Kit | 4 | Claude Code | 1 | 644 tok |
| resolve-ai-oss/resolve-ai-plugins | 4 | Claude Code, Codex, OpenCode | 2 | 1,014 tok |
| donnfelker/donnfelker-plugin-marketplace | 4 | Claude Code, Codex, OpenCode | 2 | 2,124 tok |
| identimoji/mcp-server-emojikey MCP Server for emojikey.io ... save your unique relationship state and interaction style w | 4 | Claude Code | 1 | 260 tok |
| jayozer/outscraper-mcp model context protocol for outscraper | 4 | Claude Code | 1 | 546 tok |
| ragingwind/web-llm-mcp-server MCP Server for web-llm | 4 | Claude Code | 1 | 847 tok |
| nickytonline/pimp-my-ride-mcp An MCP server that allows you to configure a car | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,846 tok |
| ythalorossy/openfda | 4 | Claude Code, Codex, OpenCode | 2 | 2,128 tok |
| julianoczkowski/mcp-modus This MCP server gives AI assistants (like Cursor, Claude, VS Code) access to complete Modu | 4 | Claude Code | 1 | 1,467 tok |
| dgalarza/ynab-mcp-dgalarza MCP server for working with your YNAB budget | 4 | Claude Code | 1 | — |
| sophia-labs/mnemosyne-mcp MCP for Sophia knowledge platform (Mnemosyne). Interfaces with RDF graphs and Garden front | 4 | Claude Code | 1 | — |
| mbk-dev/okama-mcp MCP server providing investment analysis tools backed by the okama Python library | 4 | Claude Code, Codex, OpenCode | 5 | 1,868 tok |
| johnnyzhoujz/pin-it-public justpinit.xyz A local Mac pinboard for saving anything you want to reuse with any AI. | 4 | Claude Code, Codex, OpenCode | 2 | 510 tok |
| espresso3389/pdf-splitter-mcp MCP server to handle PDF files efficiently | 4 | Claude Code | 1 | 1,432 tok |
| foundry-works/foundry-mcp foundry-mcp | 4 | Claude Code, Codex, OpenCode | 2 | 4,413 tok |
| kvas-it/mcp-server-fs MCP server providing basic file system operations. Supports navigation, reading, writing, | 4 | Claude Code | 1 | 369 tok |
| jweingardt12/BaseClaw jweingardt12.github.io Win your fantasy league, with the help of AI. Allows for Claude/OpenClaw management of you | 4 | Claude Code, Codex, OpenCode | 2 | 4,647 tok |
| aws-samples/sample-laboratory-data-transformation-mcp | 4 | Claude Code, Codex | 1 | — |
| ngmeyer/skills Agent skills I use every day — small, composable, model-agnostic. (private; scrub pending | 4 | Claude Code | 1 | 938 tok |
| masx200/persistent-terminal-mcp https://github.com/sanshao85/persistent-terminal-mcp | 4 | Claude Code | 1 | 1,910 tok |
| marcusquinn/quickfile-mcp MCP server for QuickFile UK accounting software - invoices, clients, purchases, banking, a | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 706 tok |
| OwenQian/mcp-server-manager | 4 | Claude Code | 1 | 601 tok |
| funtusov/mcp-server-architect | 4 | Claude Code | 1 | 848 tok |
| toyamagu-2021/argocd-mcp-server ArgoCD MCP Server | 4 | Claude Code | 2 | 1,795 tok |
| ajentik/ruby_mcp_server Configurable Rack MCP Server App | 4 | Claude Code | 1 | 484 tok |
| ratatatat1/pingcode-mcp | 4 | Claude Code | 1 | 820 tok |
| p-meier/northdata-connectors Generic NorthData API wrapper: Python CLI, MCP server, and Claude Skill. | 4 | Claude Code | 1 | 1,368 tok |
| darknodebros/EleSync elesync.dev Your AI chats and memories Synced! Claude, ChatGPT, Gemini, Grok, Deepseek and Perplexit | 4 | Claude Code, Codex, GitHub Copilot | 5 | 104 tok |
| bmdhodl/agent47 agentguard47.com Python runtime checks for AI agents: budgets, loops, retries, and local traces. Zero runti | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 6,555 tok |
| cyanheads/hn-mcp-server npmjs.com Browse Hacker News feeds, threads, and user profiles with full-text search via MCP. STDIO | 4 | Claude Code | 1 | 6,380 tok |
| cyanheads/openfda-mcp-server npmjs.com Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP. | 4 | Claude Code, Codex, OpenCode | 2 | 12,346 tok |
| RossH121/perplexity-mcp A Perplexity MCP server based on https://github.com/jaacob/perplexity-mcp which includes a | 4 | Claude Code | 1 | 2,074 tok |
| AdelElo13/neuromcp npmjs.com Semantic memory for AI agents — local-first MCP server with hybrid search, governance, and | 4 | Claude Code, Codex, OpenCode | 2 | 1,832 tok |
| SajmustafaKe/frappe-dev-mcp-server A Model Context Protocol (MCP) server that provides AI assistance for Frappe/ERPNext devel | 4 | Claude Code | 1 | 975 tok |
| cyanheads/libofcongress-mcp-server npmjs.com Search LOC digital collections, browse Chronicling America newspapers with full OCR text, | 4 | Claude Code, Codex, OpenCode | 2 | 11,494 tok |
| takuya0206/slack_search_function_mcp | 4 | Claude Code, Cursor | 2 | 555 tok |
| GifariKemal/argus-web-mcp Argus — SURIOTA self-hosted web fetch/scrape/search MCP (20 tools, unlimited, owned). Repl | 4 | Claude Code, Codex, OpenCode | 2 | 4,735 tok |