43,750 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 agents7,690Claude Code6,656Data and AI3,669Backend and APIs3,506Languages3,395Planning3,227Git and workflow3,219Code review2,753Testing2,387Memory and context2,368Writing and docs2,331DevOps and cloud2,317Research2,292Frontend2,266Security2,036Productivity1,725
All Claude Code31,992 Codex23,401 OpenCode22,346 GitHub Copilot3,564 Gemini CLI1,917 Cursor1,741 Windsurf146 Kiro83
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ellmos-ai/ellmos-controlcenter-mcp npmjs.com MCP control plane for local server discovery, profile management, capability bundles, dash | 1 | Claude Code, Codex, OpenCode | 2 | 149 tok |
| dockndevai/mcp-oci dockndevai.github.io MCP server for Oracle Cloud (OCI) — live resource discovery, dependency mapping, and Terra | 1 | Claude Code | 1 | — |
| edithatogo/osf-cli-go A command-line client for the Open Science Framework | 1 | Gemini CLI | 1 | 81 tok |
| dockndevai/mcp-debezium dockndevai.github.io MCP server for Debezium / Kafka Connect — monitor & manage CDC connectors with security mo | 1 | Claude Code | 1 | — |
| dockndevai/mcp-keycloak dockndevai.github.io MCP server for Keycloak — multi-realm admin with security modes (read-only/read-write/admi | 1 | Claude Code | 1 | — |
| dockndevai/mcp-percona-pg dockndevai.github.io MCP server for the Percona Operator for PostgreSQL — manage PostgreSQL + PgBouncer, poolin | 1 | Claude Code | 1 | — |
| edithatogo/healthpoint-rs Rust SDK, CLI, and read-only MCP server for licensed Healthpoint HL7 FHIR API access | 1 | Codex, OpenCode | 1 | 572 tok |
| egoughnour/massive-context-mcp Handle massive contexts (10M+ tokens) with chunking, sub-queries, and free local inference | 1 | Claude Code | 1 | — |
| fatihbaltaci/GoDrop godrop.sh Upload a file, get a hard-to-guess URL. A drop box for coding agents, so a screenshot can | 1 | Claude Code | 1 | 1,656 tok |
| forever-healthy/evipedia-mcp MCP Server for evipedia.ai | 1 | Claude Code | 2 | — |
| gblinproject/gblin-treasury-risk-regime gblin.digital Market risk regime (calm/elevated/crash) for AI agents on Base — free to read via MCP. Sig | 1 | Codex, OpenCode | 1 | 1,477 tok |
| gCuadros/hevy-mcp | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 5,216 tok |
| mcpindex-ai/mcpindex-web mcpindex.ai The agent-native index of MCP servers — discovery layer over the official MCP registry. | 1 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| fluidumber/AutoPM Turn abstract ideas into shipping roadmaps. AutoPM is an agentic workflow that deploys spe | 1 | Claude Code, Codex, OpenCode | 2 | 7,697 tok |
| fulminate-io/knowledge-mcp MCP-native knowledge graph with code/cloud/CI indexing, structural AST search, persistent | 1 | Claude Code | 44 | 3,209 tok |
| gabrielmahia/wapimaji-mcp pypi.org MCP server for Kenya drought and water access — NDMA drought phases, borehole registry, wa | 1 | Codex, OpenCode | 1 | 143 tok |
| gate/gate-local-mcp A local MCP server that exposes the Gate API v4 to any MCP-compatible client | 1 | Claude Code, Codex, OpenCode | 3 | 1,259 tok |
| equilibrium-team/tweekit-mcp | 1 | Codex, OpenCode | 1 | 938 tok |
| eternal-roman/ledger npmjs.com Exact-decimal double-entry kernel for AI agents. Call MCP tools instead of doing money mat | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 787 tok |
| fantasyce/agent-runtime-proof fantasyce.github.io Local, read-only proof that a live Agent or MCP runtime matches an approved artifact. | 1 | Codex, OpenCode | 1 | 380 tok |
| fieldcure/fieldcure-assiststudio-runner nuget.org Headless LLM task runner — schedule natural language tasks via MCP, execute with any LLM p | 1 | Claude Code | 1 | 2,299 tok |
| groupdocs-metadata/GroupDocs.Metadata.Mcp GroupDocs.Metadata for .NET MCP server — read, write, and remove metadata properties from | 1 | Codex, OpenCode | 1 | 1,689 tok |
| gregario/3dprint-oracle 3D printing filament and materials knowledge MCP server | 1 | Claude Code | 1 | 280 tok |
| groupdocs-comparison/GroupDocs.Comparison.Mcp GroupDocs.Comparison for .NET MCP server — compare PDF, Word, Excel, PowerPoint, and text | 1 | Codex, GitHub Copilot, OpenCode | 2 | 2,385 tok |
| gulmezeren2-byte/acikpoz Turkish public construction unit-price (birim fiyat) catalog parser — PDFs into structured | 1 | GitHub Copilot | 1 | 893 tok |
| getanyapi-com/skills getanyapi.com Official AnyAPI agent skills — hundreds of scraping & data APIs through one gateway: one k | 1 | Claude Code, Codex, OpenCode | 2 | 296 tok |
| gulmezeren2-byte/andon Deterministic verification for AI-generated analysis. Reconciliation, consistency and Exce | 1 | GitHub Copilot | 1 | 969 tok |
| gulmezeren2-byte/erp-report-engine A provably read-only SQL layer for AI agents (MCP) and weekly reports — over the database | 1 | Codex, GitHub Copilot, OpenCode | 2 | 2,244 tok |
| girik-chadha/interviewer-mcp Full technical interview prep in Claude — company briefing, concept bootcamp, deep-dives o | 1 | Claude Code | 1 | 795 tok |
| gregario/tft-oracle Teamfight Tactics MCP server — accurate champion, trait, item, and augment data for LLMs | 1 | Claude Code | 1 | 355 tok |
| grinnellian/magnifica-humanitas-mcp MCP server for navigating Magnifica Humanitas — Pope Leo XIV's 2026 encyclical on AI and t | 1 | Claude Code | 1 | 435 tok |
| jarmstrong158/context-keeper jarmstrong158.github.io MCP server that maintains project memory across Claude conversations — records decisions, | 1 | Claude Code | 1 | 4,969 tok |
| ivanantigravity-lgtm/model-council-mcp-server | 1 | Claude Code | 1 | 790 tok |
| japlete/md-vision-mcp npmjs.com stdio MCP server to read or index markdown with images | 1 | Claude Code, Codex, OpenCode | 2 | 630 tok |
| iVamsi/droid-agent-kit Local, permissioned MCP server giving AI coding agents real Android dev tools — Gradle, ad | 1 | Claude Code, Codex, OpenCode | 2 | 2,719 tok |
| hakimjonas/lambe ardaproject.org Total, multi-format query language for structured data (JSON, YAML, TOML, HCL, CSV, XML, M | 1 | Claude Code, Codex, OpenCode | 2 | 2,900 tok |
| hanoak/pixabay-mcp-server npmjs.com Production-ready Model Context Protocol (MCP) server for the Pixabay API — search and fetc | 1 | Claude Code | 1 | 3,594 tok |
| hoornet/agentdocs-mcp agentdocs.eu MCP server for AgentDocs (agentdocs.eu) — give any AI agent native tools to read, search, | 1 | Claude Code | 1 | 968 tok |
| igmizo/auseklis Astrology MCP server — natal charts, transits, synastry, eclipses, retrogrades. Real ephem | 1 | Claude Code, Codex, OpenCode | 2 | 1,069 tok |
| invigil/invigil Linters check your code. Invigil checks whether your repo is legible — to newcomers and to | 1 | Codex, OpenCode | 1 | 411 tok |
| isco-tec/scorezilla-mcp scorezilla.dev Official MCP server for Scorezilla — add a leaderboard to your game from your AI coding as | 1 | Claude Code | 1 | 749 tok |
| ivanantigravity-lgtm/seedance-polza-mcp-server | 1 | Claude Code | 1 | 327 tok |
| j0hanz/cortex-mcp Multi-level reasoning MCP server with configurable depth levels. | 1 | Codex, OpenCode | 1 | 670 tok |
| haiyunsky/hpsilab-quant-finance-mcp hpsilab.com Quant finance MCP server for stock analysis, options analytics, implied volatility, Monte | 1 | Codex, OpenCode | 1 | 1,331 tok |
| hannasdev/mcp-writing MCP service for AI-assisted reasoning and editing on long-form fiction projects | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,156 tok |
| haomingkoo/japan-seasons-mcp seasons.kooexperience.com Live Japan seasonal travel MCP and map with 1,700+ places, cherry blossom and autumn folia | 1 | Claude Code | 1 | 1,088 tok |
| hs737/mcp-server-for-ynab pypi.org An AI-first MCP server for YNAB. Read-only by default, with reversible writes and verifica | 1 | Claude Code, Codex, OpenCode | 13 | 3,660 tok |
| igor-holt/sear | 1 | Codex | 1 | — |
| justinthevoid/xcforge MCP server and CLI for iOS development — build, test, automate, and diagnose from any AI a | 1 | Claude Code | 1 | 1,033 tok |
| kaaustubh/project-memory-mcp npmjs.com Persistent memory for AI coding agents (Claude Code, Cursor) — past bugs & fixes, decision | 1 | Claude Code, Codex, OpenCode | 2 | 8,473 tok |