Building agents

8,442 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 Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
shadcn-labs/agentcn agentcn.run shadcn/ui, but for building agents. 🤖 501 Claude Code, Codex, Cursor 4 —
obra/episodic-memory 499 Claude Code 1 1,687 tok
GlitterKill/sdl-mcp Symbol Delta Ledger (SDL-MCP) is a policy-centered context budget layer for coding agents: 497 Claude Code, Codex, OpenCode 5 3,059 tok
nishimoto265/Claude-Code-Communication 496 Claude Code 1 163 tok
tonbistudio/hermes-multi-agent-workflow 495 Codex, OpenCode 1 1,473 tok
haoruilee/awesome-agent-native-services theagentnative.com A curated list of agent-native services and infrastructure for AI agents: email, browsers, 495 Codex, Cursor, OpenCode 2 2,014 tok
Horace-Maxwell/horosa-skill Give your AI a locally hosted metaphysics expert: calculate all 92 divination and astrolog 494 Claude Code, GitHub Copilot, Gemini CLI 3 2,087 tok
aiblueprinthq/ai-blueprint ai-blueprint.dev A file-backed, spec-driven AI coding workflow framework for building real software while s 493 Claude Code, Codex, OpenCode 23 1,184 tok
AEON-7/Qwen3.6-27B-AEON-Ultimate-Uncensored-DFlash huggingface.co Fully uncensored, capability-enhanced abliteration of Qwen3.6-27B. NVFP4 + z-lab DFlash sp 491 Codex, OpenCode 1 13,583 tok
microsoft/conductor A CLI tool for defining and running multi-agent workflows with the GitHub Copilot SDK and 491 Claude Code, Codex, OpenCode 2 1,634 tok
SuperJJ007/CSSwitch Connect your own API to Claude Science with one click: DeepSeek / Qwen / Zhipu GLM / Kimi 489 Claude Code, Codex, OpenCode 5 734 tok
leancoderkavy/premiere-pro-mcp premiere-pro-mcp.com Adobe Premiere Pro MCP — independent, local-first server for supported workflows. Connect 489 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf 9 4,050 tok
ag-grid/ag-charts charts.ag-grid.com AG Charts is a fully-featured and highly customizable JavaScript charting library. The pro 489 Claude Code, Codex, OpenCode 9 1,957 tok
lllllllama/RigorPilot-Skills README-first research reproduction skills with bounded execution, auditable evidence, and 486 Codex, OpenCode 1 831 tok
instructure/instructure-ui instructure.design A UI Component Library made by Instructure, Inc. 486 Claude Code 9 1,459 tok
Merit-Systems/OpenInstinct openinstinct.sh iMessage personal assistant + password vault 484 Claude Code, Codex, OpenCode 2 1,532 tok
vercel-labs/personal-agent-template personal-agent-template.vercel.app Open-source template for a durable personal AI agent — web chat, Slack, Linear, and long-t 483 Claude Code, Codex, OpenCode 2 721 tok
juyterman1000/entroly juyterman1000.github.io Cut AI context cost without trusting the compressor. Every reduction is reversible, byte-e 483 Claude Code, Codex, Gemini CLI, OpenCode 6 4,667 tok
Azure-Samples/azure-ai-travel-agents azure-samples.github.io A robust enterprise application sample (deployed on ACA) that leverages MCP and multiple A 482 Codex, GitHub Copilot, OpenCode 2 7,629 tok
talkcody/talkcody talkcody.com TalkCody - Code is cheap, show me your talk. 🚀 Free Open Source AI Coding Agent. 478 Codex, OpenCode 1 1,908 tok
appautomaton/latex-arxiv-SKILL appautomaton.com A highly customizable agentic harness for arXiv-ready ML/AI review papers (and beyond). It 478 Codex, OpenCode 5 472 tok
PrismorSec/prismor prismor.dev Self-hosted runtime control plane for AI agents. Observe or HITL approve or Block rogue t 476 Claude Code, Codex, OpenCode 12 5,259 tok
db-lyon/ue-mcp ue-mcp.com Complete Unreal Engine development toolkit exposed as MCP tools. 476 Claude Code 3 7,469 tok
duolahypercho/fusion-fable Fuse two frontier models into one Fable-tier answer: Opus 4.8 drafts, a second model (Opus 471 Claude Code 1 15,713 tok
professorpalmer/Puppetmaster Provider-neutral control plane for durable-state agent swarms: subprocess workers, leases, 471 Claude Code, Codex, Cursor, OpenCode 2 4,706 tok
databrickslabs/ontobricks Transforms Databricks Unity Catalog tables into a dynamic knowledge graph, with ontology d 468 Claude Code, Codex, Cursor, OpenCode 3 1,975 tok
peakmojo/applescript-mcp MCP server that execute applescript giving you full control of your Mac 466 Claude Code 1 1,164 tok
ZhangHanDong/agent-spec zhanghandong.github.io `agent-spec` is an AI-native BDD/spec verification tool for task execution. 462 Claude Code, Codex, Cursor, OpenCode 4 7,438 tok
Dicklesworthstone/ntm Named Tmux Manager: a Go control plane to spawn, tile, and coordinate multiple AI coding a 462 Codex, OpenCode 1 10,850 tok
1mancompany/OneManCompany 1mancompany.github.io Build Your Agent Company with OMC 462 Claude Code 2 365 tok
naw103/foremerge foremerge.com Catch intent conflicts before code conflicts. The open-source coordination protocol for co 462 Claude Code, Codex, OpenCode 3 2,092 tok
cnfjlhj/ai-collab-playbook Practical AI collaboration playbook for research, writing, reading, and coding: article, p 461 Claude Code, Codex, OpenCode 2 3,413 tok
astronomer/agents astronomer.io AI agent tooling for data engineering workflows. 458 Claude Code, Codex, OpenCode 2 790 tok
zamesin/Next-Move-Theory-Canon-and-Skills nextmovetheory.com Claude Code skills for product market research, value props, PRDs, and go-to-market — plus 457 Claude Code, Codex, OpenCode 2 12,336 tok
warpdotdev-demos/cloud-factory-demo 457 Claude Code, Codex 6 —
HangYu8123/HarnessFlow Harness coding workflow for codex, claude, github copilot 453 Claude Code, Codex, OpenCode 18 2,605 tok
m98/fluent The AI Language Learning Kit for Claude Code and others 453 Claude Code, Codex, OpenCode 7 5,096 tok
AMOS144/ZeroToken ZeroToken — Record once, automate forever. A lightweight MCP for agent-driven browser auto 452 Claude Code 2 3,036 tok
galdawave/pickle-rick-extension This extension transforms the Gemini CLI into "Pickle Rick," a hyper-intelligent, arrogant 452 Gemini CLI 1 882 tok
zapier/zapier-mcp docs.zapier.com Official plugin distribution for the hosted Zapier MCP server. Install it in your AI clien 452 Claude Code, Codex, OpenCode 2 1,367 tok
leonvanzyl/agentic-coding-starter-kit 451 Claude Code, Codex, OpenCode 27 351 tok
amazingloft999-droid/mattpocock-skills Skills for Real Engineers. Straight from my .claude directory. (github/mattpocock) 450 Claude Code 1 186 tok
coderzc/open-xiaoai-bridge A bridge connecting Xiaoai speakers with external AI services such as OpenClaw and Xiaozhi 450 Codex, OpenCode 1 5,471 tok
alibaba/UnifiedModel alibaba.github.io The semantic layer that makes enterprise data understandable to AI agents — model entities 450 Claude Code, Codex, OpenCode 2 2,376 tok
Tencent/workbuddy-bench 450 Claude Code, Codex 2 —
jamditis/claude-skills-journalism skills.amditis.tech Claude Code skills for journalism, media, and academia - verification, FOIA, data journali 448 Claude Code, Codex, GitHub Copilot, OpenCode 4 6,623 tok
ldclabs/anda anda.ai 🤖 An AI agent framework built with Rust. 448 Codex, OpenCode 1 2,181 tok
delorenj/mcp-server-trello A Model Context Protocol (MCP) server that provides tools for interacting with Trello boar 447 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 69 4,101 tok
notque/vexjoy-agent vexjoy.com VexJoy AI Agent with Jev Intelligent Routing - /do routes plain-English requests to the ri 446 Claude Code, Codex, Gemini CLI, OpenCode 14 3,500 tok
smithersai/smithers smithers.sh Smithers is an agentic workflow framework for defining workflows in simple TypeScript conf 446 Claude Code, Codex, OpenCode 9 5,207 tok