43,652 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 |
|---|---|---|---|---|
| topprismdata/cultivating-ml-agent A self-improving ML agent that compounds capability across projects through knowledge crys | 5 | Codex, OpenCode | 1 | 3,602 tok |
| cortadel/cortadel cortadel.ai Self-hosted long-term temporal graph memory for AI agents — MCP, REST and a dashboard in o | 5 | Claude Code, Codex, OpenCode | 2 | 3,971 tok |
| netresearch/typo3-testing-skill Agent Skill for creating and managing TYPO3 extension tests | Claude Code compatible | 5 | Codex, OpenCode | 1 | 816 tok |
| netresearch/german-technical-writing-skill Agent Skill for natural German technical register in Jira tickets, internal German docs, a | 5 | Codex, OpenCode | 1 | 618 tok |
| cookieMonsterDev/agents-skills Agent Skills for coding agents | 5 | Codex, OpenCode | 1 | 2,330 tok |
| TechSpokes/skill-base-template Skill template for AI agents | 5 | Codex, GitHub Copilot, OpenCode | 4 | 1,892 tok |
| dbhosbu-dotcom/renwei Renwei — book-length Chinese AI humanizer. 51 rules covering AI tells, Euro-Chinese syntax | 5 | Codex, OpenCode | 1 | 863 tok |
| ldilov/harness-forge AI coding agent runtime that makes LLMs understand your codebase with repository-aware con | 5 | Claude Code, Codex, OpenCode | 3 | 4,585 tok |
| blakemartz/delivery-loop Agentic software factory as a Claude Code plugin: specs → backlog → claim → implement → ad | 5 | Claude Code | 1 | 2,076 tok |
| hraness/atet atet.sh Local-first AI media generation and video editing toolkit for coding agents, with a Bun CL | 5 | Claude Code, Codex, OpenCode | 2 | 3,215 tok |
| ruslan-korneev/claude-plugins Python Backend Plugins for Claude Code | 5 | Claude Code | 1 | 738 tok |
| byjunyoung/claude-product-skills linkedin.com Claude Code skills aimed at product work rather than the codebase — the Figma file you dra | 5 | Claude Code | 1 | 1,171 tok |
| zenml-io/kitaru-skills zenml.io Agent skills for designing and building durable AI agent workflows with Kitaru | 5 | Claude Code, Codex, OpenCode | 2 | 2,578 tok |
| zircote-plugins/documentation-review Claude Code plugin for comprehensive documentation management — review, create, update, an | 5 | GitHub Copilot | 1 | 272 tok |
| crenshawdev/cadence Phased planning and execution for Claude Code. Roadmap, plans, and progress live in files | 5 | Claude Code | 1 | — |
| epfl-lara/LeanProbe Fast Lean 4 proof feedback for coding agents. CLI, Python library, and MCP server with war | 5 | Codex, OpenCode | 1 | 1,005 tok |
| its-me-prash/kleinanzeigen-reader Read & analyze any kleinanzeigen.de listing from any AI system — MCP server, function-call | 5 | Claude Code, Codex, OpenCode | 2 | 1,416 tok |
| dimpagk92/cellar Computer Experience Layer — MCP server for native computer use on macOS. Structured percep | 5 | Claude Code, Codex, OpenCode | 2 | 2,584 tok |
| millsymills-com/flipperzero-mcp Modular MCP server for the Flipper Zero (USB + WiFi protobuf RPC) | 5 | Claude Code | 1 | 837 tok |
| choiyounggi/dev-loop LLM Knowledge Management • Wiki-grounded verification • RFC-based documentation • Best pra | 5 | Claude Code, Codex, OpenCode | 1 | 3,217 tok |
| bablsoft/accessflow accessflow.io Open-source database, API access & deployment governance platform A SQL, NoSQL, and API pr | 5 | Claude Code | 18 | 14,885 tok |
| TranHuyQn/cc-chrome-extension Claude in Chrome, powered by your local claude CLI. Drive your real logged-in Chrome from | 5 | Claude Code | 5 | 14,694 tok |
| blisspixel/recon pypi.org Map a domain's public technical footprint with provenance, confidence, and explicit uncert | 5 | Claude Code, Codex, OpenCode | 2 | 6,909 tok |
| Jessinra/Lorekeeper jessinra.github.io Self-improving memory for AI agents | 5 | Claude Code, GitHub Copilot | 10 | 7,994 tok |
| lwalden/AIAgentMinder Project governance for AI-assisted development. Structured planning, sprint workflows, dec | 5 | Claude Code | 2 | 570 tok |
| Labs64/NetLicensing-MCP netlicensing.io The official NetLicensing MCP Server is a natural language interface that enables agentic | 5 | Claude Code, Codex, OpenCode | 2 | 2,150 tok |
| KenanAtmaca/aso-mcp App Store Optimization MCP Server keyword research, competitor analysis, review sentiment | 5 | Claude Code | 2 | 5,718 tok |
| rezamotaghi/cbctscope rezamotaghi.com Full CBCT + 2D radiograph viewer from a board-certified oral and maxillofacial radiologist | 5 | Codex, OpenCode | 1 | 1,526 tok |
| joshuarichard/StatsPlus-MCP MCP server exposing the StatsPlus API (for OOTP) as tools for Claude | 5 | Claude Code | 1 | 4,287 tok |
| TeamManagementPlugin/claude-plugin team.management Your AI on rails, on your terms — an open-source Claude Code plugin that enforces every pr | 5 | Claude Code | 1 | 12,359 tok |
| Ker102/Harneloop harneloop.kaelux.dev Build self-evolving AI agent harnesses with portable harness units, artifact-aware testing | 5 | Codex, OpenCode | 1 | 1,014 tok |
| Dragoon0x/argus dragoon0x.github.io The design intelligence runtime for AI agents. 49 rules. Zero LLM. MCP-native. Give your a | 5 | Claude Code, Codex, OpenCode | 2 | 2,636 tok |
| tekthar/abp-mcp Auto-generate Model Context Protocol servers from ABP Framework apps. In-process, permissi | 5 | Claude Code | 1 | 1,511 tok |
| sevoniva-labs/oceanbase-mcp Read-only MCP server for OceanBase metadata discovery and SQL access. | 5 | OpenCode | 1 | — |
| LucasSantana-Dev/hitgate pypi.org Portable hybrid (BM25 + dense + RRF) retrieval engine and a label-free evaluation harness | 5 | Claude Code | 1 | 105 tok |
| epicDirk/EPICS-MCP Ask an AI assistant about your EPICS control system: live PV values, why a PV is disconnec | 5 | Claude Code | 1 | 7,730 tok |
| thierry-gilgen-ict/engawa Engawa — the open toolkit for agent-native websites. Bring your agent. | 5 | Codex, OpenCode | 1 | 772 tok |
| nanwer/trip-search-mcp MCP server giving Claude live access to flights, hotels, vacation rentals, Airbnb, activit | 5 | Codex, OpenCode | 1 | 2,670 tok |
| alexmond/jhelm alexmond.org Helm for the JVM — render charts and manage releases in pure Java, byte-for-byte compatibl | 5 | Claude Code | 2 | 2,160 tok |
| tanayshah11/travel-mcp-server tanayshah.dev MCP server for AI-powered travel search — flights, hotels, weather as MCP tools with Mongo | 5 | Claude Code | 1 | 828 tok |
| mgovedarov/mcp-vcf-orchestrator MCP server for VCF Automation Orchestrator — manage workflows, actions, configuration elem | 5 | Claude Code, Codex, OpenCode | 3 | 9,203 tok |
| 1luvc0d3/metabase-mcp npmjs.com MCP server connecting Claude to Metabase for natural language data analysis, dashboard man | 5 | Claude Code | 1 | 1,449 tok |
| deer/music.build music.build MCP server for AI music composition. A typed, immutable music theory library — pitches, rh | 5 | Claude Code | 2 | 602 tok |
| MartinCastroAlvarez/django-admin-mcp-api pypi.org Drop-in MCP server for the Django admin. Mount in two lines and any MCP agent — Claude, Cu | 5 | Claude Code | 1 | 1,174 tok |
| lidless-labs/immichctrl lidless.dev Your photo library outgrew the click-grid. immichctrl gives shells, cron, and agents one t | 5 | Claude Code, Codex, OpenCode | 2 | 1,600 tok |
| rutvij26/chess-context rutvij26.github.io Semantic chess intelligence MCP for Claude — position analysis, game review, player scouti | 5 | Claude Code | 1 | 991 tok |
| daocodotorg/basic-blog npmjs.com Headless blog & CMS as a Convex component: npm package (basic-blog-convex-blog-cms), bundl | 5 | Codex, OpenCode | 1 | 618 tok |
| KongGithubDev/SAMP-MCP A comprehensive MCP server for SA-MP server development and management | 5 | Cursor | 1 | 537 tok |
| The-40-Thieves/obsidian-tc Obsidian Turbocharged — governed, agent-ready Obsidian MCP server. 163 tools across 31 dom | 5 | Claude Code, Codex, OpenCode | 9 | 4,035 tok |
| dcc-mcp/dcc-mcp-3dsmax pypi.org 3ds Max adapter for the DCC Model Context Protocol ecosystem | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 8 | 3,635 tok |