How real projects configure their agents

24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971

All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116

Project Stars Configures Files Always loaded
edurodelg/biwenger-mcp Fixed-price squad optimizer and API/MCP server for Biwenger World Cup 2026 0 Codex, OpenCode 1 3,373 tok
niawjunior/opencontext Give Claude Code structured context about your codebase. Manage modules, track staleness v 0 Claude Code, Codex, OpenCode 2 352 tok
jack-whimvy/vibecompass-mcp 0 Codex, OpenCode 1 342 tok
lucasastorian/edgarmcp Standalone open-source SEC EDGAR MCP server for Claude Desktop 0 Claude Code, Codex, OpenCode 2 1,341 tok
VirtualCoder0/rag-mcp-server A pluggable, observable, modular RAG (Retrieval-Augmented Generation) service framework. 0 Claude Code, Codex 9 —
chaselen/knife4j-mcp Lightweight MCP server for querying Knife4j / Swagger multi-module API docs via /swagger-r 0 Codex, OpenCode 1 912 tok
ftaricano/mcp-gmail-calendar Gmail and Google Calendar MCP Server integration 0 Codex, OpenCode 1 1,124 tok
steveramos21/ai-dba AI-DBA: Universal database copilot — diagnostics MCP server and CLI 0 Codex, OpenCode 1 1,132 tok
alphaelements/handoff-mcp MCP server that gives AI coding agents persistent memory across sessions 0 Codex, OpenCode 1 820 tok
foundryside-dev/warpline warpline — temporal change-impact authority for the Weft federation (MCP + CLI, local-firs 0 Claude Code, Codex, OpenCode 2 2,012 tok
berntpopp/uniprot-link genefoundry.org MCP server for UniProt: protein function, sequence, features and cross-references over the 0 Claude Code, Codex, OpenCode 10 1,432 tok
letya999/jira-daily-pm-radar Daily PM radar for Jira: sprint health, backlog smells, issue hygiene, and HTML reports. C 0 Codex, OpenCode 1 353 tok
WayneLiu519888/Test-Impact-Analysis-MCP Test-Impact-Analysis-MCP, An MCP tool for test impact analysis of the system under test 0 Claude Code, Codex 12 9,710 tok
othos-io/othos-mcp-server 0 Claude Code, Codex, OpenCode 2 40 tok
knustx/itis-mcp-server MCP Server to interact with ITIS (Integrated Taxonomic Information System by USGS) 0 Codex, OpenCode 1 1,108 tok
archfill/tsumugi MCP-based memory layer for AI agents — observation, hybrid search, dreaming/synthesis 0 Claude Code, Codex, OpenCode 5 1,936 tok
Eunseo27/kpop-wiki K-POP knowledge base with LLM Wiki + MCP server 0 Codex, OpenCode 1 879 tok
nrrdio/ebay-seller-mcp 0 Claude Code, Codex, OpenCode 2 225 tok
jesonchen123/MCP_Cluster Central control platform for agent clusters 0 Claude Code, Codex 1 —
loerei/chronicle-mcp A local Model Context Protocol (MCP) server that indexes, synchronizes, and exposes agent 0 Claude Code, Codex, Cursor, OpenCode 82 944 tok
CarlosYonng/diagnosis-service Anomaly diagnosis service supporting MCP and JSON-RPC 0 Codex, OpenCode 1 557 tok
neryams/workspace-docs-mcp 0 Codex, OpenCode 1 1,571 tok
cuongph-dev-work/backlog_mcp 0 Claude Code, Codex, OpenCode 2 5,957 tok
mlaurel/mcp-workflow-engine 0 Claude Code, Codex, OpenCode 2 4,290 tok
deifos/feedbackbasket-mcp mcp server to get feedback reports from feedbackbasket.com 0 Codex, OpenCode 1 57 tok
masamunet/npm-dev-mcp 0 Codex, OpenCode 1 918 tok
khughitt/ohai MCP for Quickshell based graphical notifications on Linux. 0 Claude Code, Codex, OpenCode 2 609 tok
semidark/mcp-litellm-searxng 0 Codex, OpenCode 1 389 tok
XMV-Solutions-GmbH/sharepoint-mcp MCP server for SharePoint document libraries with audit-preserving checkout/checkin. Lets 0 Claude Code, Codex, GitHub Copilot, OpenCode 9 2,241 tok
v1truv1us/verbalized-sampling-mcp 0 Claude Code, Codex, OpenCode 2 547 tok
daviiferrer/paraguacu_transparente_mcp 0 Claude Code, Codex, OpenCode 2 1,474 tok
yeison-liscano/http_mcp MCP - HTTP server implementation 0 Codex, OpenCode 1 2,794 tok
echatzief/database-mcp-server MCP server for exposing SQL & NoSQL databases to AI tools via Model Context Protocol 0 Codex, OpenCode 1 1,670 tok
ArconixForge/mcp-atlassian mcp server for atlassian : https://github.com/sooperset/mcp-atlassian 0 Codex, OpenCode 1 712 tok
yeison-liscano/demo_http_mcp Project demo of http_mcp package 0 Claude Code, Codex, OpenCode 5 928 tok
cipher416/airtable-mcp 0 Codex, OpenCode 1 653 tok
tallpizza/dooray-mcp Dooray MCP Server for Claude Code integration - 5 integrated tools for task management 0 Codex, OpenCode 1 650 tok
kodaimaehata/reviewer-mcp 0 Claude Code, Codex, OpenCode 2 630 tok
acnlabs/mcp-inspector-server MCP Inspector Server - A comprehensive MCP server testing and validation system 0 Codex, OpenCode 1 900 tok
ericyangpan/scan-qrcode-mcp Scan QRCode MCP Server 0 Codex, OpenCode 1 602 tok
Paddione/mcp 0 Codex, OpenCode 1 666 tok
get2knowio/n8n-mcp n8n MCP server 0 Codex, GitHub Copilot, OpenCode 2 2,504 tok
Human-center/RAG-MCP-HCSRL 0 Claude Code, Codex, OpenCode 2 2,442 tok
ashabbir/multi-mcp gitlab jira mcp 0 Codex, OpenCode 1 777 tok
amruthabesto28/JIRA-MCP Jira MCP Server 0 Codex, OpenCode 1 712 tok
ahnmichael/gitlab-forum-mcp Discourse MCP server configured specifically for GitLab forum troubleshooting and support 0 Codex, OpenCode 1 1,753 tok
yjqian19/personal-mcp 0 Codex, OpenCode 1 4,099 tok
geneontology/noctua-mcp MCP server for GO-CAM model editing via the Barista API. 0 Claude Code, Codex, GitHub Copilot, OpenCode 3 862 tok
mintedmaterial/mcp-ts-template 0 Claude Code, Codex, OpenCode 2 16,606 tok
jeweis/mcp-server-template 0 Codex, Gemini CLI, OpenCode 2 741 tok