Building agents

4,840 projects whose own agent configuration covers building agents. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.

All projects Claude Code6,606Data and AI3,688Backend and APIs3,494Languages3,401Planning3,209Git and workflow3,151Code review2,736Memory and context2,361Testing2,351DevOps and cloud2,300Writing and docs2,296Research2,295

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
zse4321/decision-anchor-sdk 1 Codex, OpenCode 1 5,823 tok
cyanheads/wsdot-mcp-server npmjs.com Query WA highway conditions, ferry schedules, vessel locations, toll rates, border waits, 1 Claude Code, Codex, OpenCode 2 10,640 tok
cyanheads/cyanheads-mcp-server npmjs.com Fleet discovery MCP server — semantic search across a fleet of MCP servers with per-client 1 Claude Code, Codex, OpenCode 2 12,250 tok
cyanheads/attack-surface-mcp-server npmjs.com Passive external attack-surface mapping: CT subdomains, DNS, TLS, HTTP posture, RDAP/WHOIS 1 Claude Code, Codex, OpenCode 2 13,280 tok
joshua-auchincloss/factsets An MCP server that provides a local, persistent, self-maintaining knowledge base for AI ag 1 Codex, OpenCode 1 755 tok
mayorandrew/openapi-dynamic-mcp MCP server and CLI for turning OpenAPI specs into usable tools for AI clients, with built- 1 Codex, OpenCode 1 405 tok
andy-spike/skills 1 Codex, OpenCode 1 147 tok
RodrigoSiliunas/hermes-claude-bridge Bridge Hermes Agent ↔ Claude Code CLI — delegate coding tasks with zero Anthropic API cost 1 Claude Code, Codex 1
geuneda/geuneda-mcp-unity Unity Editor MCP server — a plugin integrating AI IDEs such as Cursor, Claude Code, Codex, 1 Claude Code, Codex, OpenCode 2 4,202 tok
bhf/st-k8s sanjeev.pages.dev View and chat to your K8s cluster & application logs. K9s themed dashboard, REST API+MCP s 1 Claude Code, Codex, GitHub Copilot 5 1,022 tok
rrizwan98/lara-marketing-connector Lara Marketing Connector - remote MCP server (45 marketing skills + orchestration logic) f 1 Claude Code, Codex, OpenCode 2 35 tok
HappyMonkeyAI/OpenUKPublicDataMCP OpenUKPublicDataMCP is a no-key-first Model Context Protocol server for useful UK public d 1 Codex, OpenCode 1 421 tok
arthurkatcher/meta-mcp-manager Self-hosted Meta MCP Manager: one retrieval-first endpoint for many MCP servers 1 Codex, OpenCode 1 1,586 tok
sandraschi/leanforge-mcp Lean theorem prover MCP: automated proof search, mathlib integration, job management 1 Claude Code, Codex, OpenCode 2 1,889 tok
Edison-Watch/sealgate-mcp 🦭 SealGate MCP 1 Claude Code, Codex, Cursor, OpenCode 12 1,367 tok
HrRodan/agent-workspace-mcp A sandboxed, agentic workspace providing secure filesystem, bash, and uv-powered Python ex 1 Claude Code, Codex, Gemini CLI 3 198 tok
oneill9/tfl-mcp-server oneill9.github.io MCP server exposing live London transport data (TfL API) to AI assistants 1 Claude Code, Codex, Gemini CLI, OpenCode 5 2,517 tok
rvbernucci/forja-guide Open architecture and implementation roadmap for Forja, a governed multi-agent software fa 1 Codex, OpenCode 1 341 tok
tsjharsha/MedFlowMCP-AI- An AI-powered Hospital Operations MCP Server built with NitroStack. Automates Jira ticketi 1 Claude Code, Codex 5
robcsaszar/scaffold Claude Code skills for authoring AGENTS.md, CONTEXT.md, and DESIGN.md 1 Claude Code, Codex, OpenCode 1 943 tok
wvlvik/toy-skills 1 Claude Code, Codex, Cursor, OpenCode 9 2,634 tok
nickvasilescu/slack-agent-mesh Portable Slack transport and coordination layer for agent-to-agent collaboration across He 1 Claude Code, Codex, OpenCode 2 1,553 tok
wuwux666/RAG-MCP-SERVER 1 Claude Code, Codex 10
ianf-ai/take-ur-turn npmjs.com TUT (Take Ur Turn): multi coding-agent collaboration via a local Context Hub — append-only 1 Codex, OpenCode 1 978 tok
sandraschi/bilibili-mcp Bilibili (B站) content-intelligence bridge - search, trending, video intel and transcript s 1 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode 5 1,672 tok
tomato-ga/codex-gptpro 1 Codex, OpenCode 1 83 tok
Neschadin/askell-mcp MCP server for the Askell payment and subscription API (Bun + stdio) 1 Claude Code, Codex, Cursor 4
1942293420/Evolvmem_MCP A memory management MCP with a vector database 1 Codex, OpenCode 1 880 tok
lakpriya1s/agent-rack npmjs.com MCP server that runs CLI AI coding agents (Claude Code, Codex, opencode, Antigravity) as s 1 Claude Code, Codex 3 6,117 tok
aikadimsoy/kasa-mcp KASA MCP — a permission-brokered MCP server for agent memory. Local-first, encrypted at th 1 Claude Code, Codex, OpenCode 3 1,870 tok
grizlizora/holy-bible-mcp Universal Multilingual Bible MCP Server (800+ languages, 11.9M verses, 100% offline, zero- 1 Codex, Cursor, OpenCode 2 590 tok
scenaristeur/ableton-holland-mcp 1 Codex, OpenCode 1 3,876 tok
zai-one/codex-mcp zai.one Unofficial Codex app-server MCP: coding tasks, goals, reviews and scheduled work from your 1 Claude Code, Codex 1
mgummich/mcp-mealie Curated, token-efficient MCP server for Mealie recipes, meal plans, and cookbooks 1 Codex, OpenCode 1 1,891 tok
IrisRainbowNeko/codex-mission-ledger Deterministic MCP control plane for native hierarchical Codex agents. 1 Codex, OpenCode 1 106 tok
mcintalmo/godot-engine-mcp 1 Claude Code, Codex 3
juanquy/AI-data-refinery drefinery.freshbeats.ai A high-performance, edge-native Data Refinery Engine built on Cloudflare's serverless AI s 1 Claude Code, Codex, OpenCode 51 591 tok
JrKrishh/connectr One shared brain for all your AI coding agents - task board, memory and file claims over M 1 Claude Code, Codex, Gemini CLI, OpenCode 3 2,473 tok
fetcher-sh/fetcher-skills 1 Claude Code, Codex, OpenCode 1 2,162 tok
jcharveyjr/claude-chatgpt-agent-bridge Private MCP task broker for delegated work between Claude and ChatGPT/Codex agents. 1 Claude Code, Codex, OpenCode 3 382 tok
satoh-y-0323/claude-code-conductor A Claude Code framework centered on multi-agent orchestration. 1 Claude Code, Codex 38
Edison-Watch/Custom-MCPs 0 Claude Code, Codex, OpenCode 19 3,080 tok
knocklabs/skills 0 Claude Code, Codex, OpenCode 2 1,295 tok
AnEntrypoint/freddie ƒreddie is not a harness, its a jacket 0 Claude Code, Codex, OpenCode 11 2,127 tok
rahmanef63/connectors One MCP server, several ways to register and ship it. A guide repo an AI agent reads befor 0 Claude Code, Codex, OpenCode 1 2,558 tok
kleosr/kleosrules Cursor harness pack: user rules, skills, Bash hooks, local HANDOFF memory. macOS, Linux, W 0 Codex, OpenCode 1 689 tok
twzrd-sol/twzrd-trust TWZRD buyer-side x402 trust packages: x402 trust gate, elizaOS trust plugin, and the agent 0 Codex, OpenCode 1 725 tok
stromy-org/stromy-workflows-mcp OAuth-scoped MCP facade for hosted Stromy workflow execution 0 Claude Code, Codex, GitHub Copilot, OpenCode 7 7,753 tok
aurelius86/engram Self-hosted, governed long-term memory for teams of AI agents — MCP-native, with hybrid re 0 Codex, OpenCode 1 1,772 tok
feelyourprotocol/mcp-gateway MCP gateway 0 Codex, OpenCode 1 721 tok