How real projects configure their agents

23,222 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715

All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80

Project Stars Configures Files Always loaded
jaisimha18/nebula-ninjas Sentinel Gateway — an MCP zero-trust gateway that sits in front of every internal MCP serv 0 Claude Code, Codex 5
zzhao-ashai/mcp-server-typescript-ms1xwj2n Created from render-examples/mcp-server-typescript template 0 Claude Code, Codex, OpenCode 2 1,069 tok
zzhao-ashai/mcp-server-typescript-ms1zmvm7 Created from render-examples/mcp-server-typescript template 0 Claude Code, Codex, OpenCode 2 1,069 tok
aiagate/memtree Local session-log memory for Codex and Claude Code, exposed through MCP 0 Codex, OpenCode 1 119 tok
GuenoleK/consilium Une table ronde web et MCP pour faire collaborer plusieurs agents avec l’utilisateur. 0 Claude Code, Codex, OpenCode 6 160 tok
zzhao-ashai/mcp-server-typescript-ms1y5ib1 Created from render-examples/mcp-server-typescript template 0 Claude Code, Codex, OpenCode 2 1,069 tok
zzhao-ashai/mcp-server-typescript-ms1ybxn7 Created from render-examples/mcp-server-typescript template 0 Claude Code, Codex, OpenCode 2 1,069 tok
LeonardPuettmann/texbook-agent-mcp 0 Codex, OpenCode 1 1,022 tok
sandraschi/bluesky-mcp FastMCP Bluesky / AT Proto client with SOTA webapp and a human-approved outbox for fleet p 0 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 6 1,199 tok
alessandrodalpozzo/sacred-texts-mcp A normalized, citable corpus of sacred and foundational texts across 15+ traditions, embed 0 Claude Code, Codex, OpenCode 2 678 tok
HellButcher/devdocs-mcp KnowledgeBase MCP server for Developer Documentation 0 Codex, OpenCode 1 663 tok
devjourney/unifi-mcp Personal fork of sirkirby/unifi-mcp with local security hardening 0 Claude Code, Codex, Gemini CLI, OpenCode 13 4,926 tok
shanewiseman/atlassian-mcp 0 Codex, OpenCode 1 50 tok
TheNickSanchez/passkey-mcp Cross-platform secrets manager for AI coding assistants — stores secrets in system keychai 0 Claude Code, Codex, Cursor, OpenCode 6 1,231 tok
ZenixSolutions/netbox-mcp-server 0 Claude Code, Codex, OpenCode 2 12,485 tok
ayhammouda/obd-mcp-server Safety-first, read-only MCP server for vehicle diagnostics with simulator-first OBD-II, EL 0 Codex, OpenCode 1 489 tok
GSA-TTS/mcp-server-blm-mlrs 0 Claude Code, Codex 1
MO-Umer977/MCP-Server-for-Airflow 0 Codex, OpenCode 1 1,369 tok
teomanS/terraform-assistant bmad method created mcp for terraform script 0 Claude Code, Codex 52
BernydotJar/cloud-sandbox-mcp-v2 Persistent MCP-managed development workstations runtime 0 Codex, OpenCode 1 152 tok
Anionix/datahub-okf-governed-query Fail-closed DataHub MCP and OKF governed query adapter 0 Codex, OpenCode 1 379 tok
SIM-DAD/tass TASS Community Edition: deterministic, provenance-first text analysis for social scientist 0 Codex, OpenCode 1 1,174 tok
rodcordeiro/habitica-mcp TypeScript MCP server for Habitica daily execution items (habits, dailies, todos) with con 0 Codex, OpenCode 1 464 tok
MehrozeKhan73/MCP-Server-for-Airflow 0 Codex, OpenCode 1 1,369 tok
dinglebear-ai/connexin Connexin — human-approved SSH shell and file transfer as an MCP App 0 Claude Code, Codex, Gemini CLI, OpenCode 3 265 tok
simhskal/goodreads-mcp goodreads-mcp-chi.vercel.app Read Goodreads shelves and library exports from MCP clients 0 Codex, OpenCode 1 1,564 tok
sandraschi/onenote-mcp MCP server for Microsoft OneNote via Graph API - notebooks, sections, pages, search, devic 0 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 6 1,838 tok
Guild-Wars-MCP/GW2_MCP 0 Claude Code, Codex 2
prof-ramos/LeXML-mcp MCP server for LexML Brasil — legislative search, URN resolution, and service metadata. 0 Claude Code, Codex, OpenCode 2 158 tok
nakanoasaservice/discord-webhook-relay-mcp 0 Claude Code, Codex, OpenCode 2 350 tok
Timing-Jeju/jeju_AI Evidence-grounded standalone stdio MCP server for one-day trips in Jeju 0 Codex, OpenCode 2 148 tok
omamishra8051-source/PenTest-MCP 0 Claude Code, Codex, OpenCode 2 289 tok
Zhuchen00123/session-vault OpenCode Session Vault for immutable local archives, Baidu Netdisk backup, and a narrow pr 0 Codex, OpenCode 1 353 tok
MOBAI547800/abaqus-codex-mcp Codex-ready local MCP server for safe Abaqus automation on Windows 0 Codex, OpenCode 1 343 tok
thekitchencoder/second-brain [MOTHBALLED] Docker-packaged markdown vault with semantic search and Claude Code MCP integ 0 Claude Code, Codex, OpenCode 2 3,889 tok
Jackson-DM/msp-tools-mcp 0 Claude Code, Codex, OpenCode 3 193 tok
maxzoa/1cent 1cent.maxzoa.ru Pay-per-call URL intelligence for AI agents via MCP and x402 USDC on Base Mainnet. 0 Codex, OpenCode 1 256 tok
johnmontejano/cairn cairn-web-beta.vercel.app One private memory, shared by the AI tools you authorize. Evidence-backed, exportable as M 0 Claude Code, Codex, OpenCode 2 974 tok
samuel-stidham/gws-mcp Minimal Google Workspace MCP server for Claude Code. Twelve tools for Gmail, Drive, Docs, 0 Claude Code, Codex, GitHub Copilot, OpenCode 3 81 tok
VericyIO/mcp-air air.thalus.ai MCP server for AIR (AI Responsibly) — run risk assessments from Cursor, Claude Code, VS Co 0 Codex, OpenCode 1 286 tok
Huzaifa-ali/mcp-server-linkedin pypi.org LinkedIn MCP Server - Publish posts, images, videos and articles to LinkedIn from any AI a 0 Codex, OpenCode 1 1,208 tok
yywz2026-coder/AgentAirlock A local-first, permission-controlled communication bridge for AI coding agents using MCP. 0 Codex, OpenCode 1 65 tok
shirin292006/mcp-toolkit 0 Claude Code, Codex, OpenCode 2 4,173 tok
joelborch/flow Agent-first project management on Cloudflare. Self-hosted ClickUp/Asana alternative: one W 0 Claude Code, Codex, OpenCode 2 3,545 tok
flame211186/founder-decision-agent Evidence-calibrated founder decision support with an explicit TypeScript workflow. 0 Codex, OpenCode 1 1,145 tok
Deep360-code/MCP_Creartors- Enhance the story before publishing and helps in marketing to the creators 0 Claude Code, Codex, OpenCode 2 79 tok
rosselps/whyguard npmjs.com Reconstructs why code exists and stops humans or agents from erasing that protection by ac 0 Claude Code, Codex, Kiro, OpenCode 6 4,673 tok
void-Lu/netsuite-mcp-tools 0 Codex, OpenCode 1 251 tok
Valar05/grounded-motion-mcp Agent-free whole-body motion tracking MCP with deterministic review evidence. 0 Codex, OpenCode 1 287 tok
frli4797/crowdsec-mcp CrowdSec-focused MCP server for safe, auditable security operations. 0 Codex, OpenCode 1 945 tok