23,196 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| CAIRNepal/heritagegraph cairnepal.github.io | 3 | Claude Code, Codex, OpenCode | 2 | 5,307 tok |
| snyk-labs/snyk-vulnbench | 3 | Claude Code, Codex, OpenCode | 12 | 2,521 tok |
| marcello-a/Planchette Planchette — points you to the session that speaks. A native terminal IDE for running many | 3 | Claude Code, Codex, OpenCode | 1 | 2,650 tok |
| leancoderkavy/meepo A local, privacy-first AI agent (Rust) that connects LLMs to your email, calendar, browser | 3 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,624 tok |
| projectbluefin/testsuite projectbluefin.github.io Cloud-native QA pipeline for Project Bluefin — Argo Workflows + KubeVirt + qecore/behave A | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,782 tok |
| prewsh/seo-aeo-engine An Antigravity AI skill designed to generate high-converting landing pages optimized for S | 3 | Claude Code, Codex | 8 | — |
| Aidas-dev/k8s-agent-skills git.kubexa.tech Agent skills for Kubernetes cluster operations — Cilium, Talos, Flux, Rook-Ceph, CNPG, Git | 3 | Codex, OpenCode | 1 | 333 tok |
| konflux-ci/loadtest Konflux loadtest for per&scale testing the platform | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 563 tok |
| singleton11/kotlin-toolchain-skills A collection of AI agent skills for Kotlin Toolchain | 3 | Claude Code, Codex, OpenCode | 2 | 20 tok |
| RedHatInsights/nxtcm-components Shared React component library for Red Hat Insights ACM and OCM projects built with Patter | 3 | Claude Code, Codex, OpenCode | 10 | 696 tok |
| athallarizky/agent-playbooks A personal collection of reusable AI agent workflows — a briefing for AI agents that encod | 3 | Codex, OpenCode | 1 | 987 tok |
| HighScientist/drug-designer-skill Claude Code and Codex Skill for Computational Drug Discovery: analysis, workflow design, c | 3 | Codex, OpenCode | 1 | 600 tok |
| amohamma8029/devlog A Go-based CLI/TUI tool for async coding partners. | 3 | Codex, OpenCode | 1 | 1,216 tok |
| Haohaha-11/Paper-Writing | 3 | Codex, OpenCode | 1 | 243 tok |
| cantian-ai/agent-skill | 3 | Codex, OpenCode | 1 | 1,950 tok |
| hanthor/gnome-gui-spec | 3 | Codex, OpenCode | 1 | 122 tok |
| eparodi/deepcut-skills Useful skills to use with deepseek and Zed editor. | 3 | Codex, OpenCode | 1 | 13,406 tok |
| vanities/social-skills Skill-driven social media automation across IG / LinkedIn / X / Pinterest / TikTok via Cla | 3 | Claude Code, Codex, OpenCode | 2 | 6,807 tok |
| konflux-ci/mintmaker-renovate-image A repo useful to host and build the mintmaker container image | 3 | Codex, OpenCode | 1 | 347 tok |
| mercato-supply-chain/mercato-dapp mercatocapital.xyz MERCATO is a supply chain finance application: it helps small and medium businesses (we us | 3 | Claude Code, Codex, OpenCode | 6 | 3,818 tok |
| openshift-kni/rds-analyzer | 3 | Claude Code, Codex, OpenCode | 2 | 8,155 tok |
| kyleve/Stuff Random apps and stuff | 3 | Claude Code, Codex, OpenCode | 10 | 10,570 tok |
| VoidX3D/RU_Club_Website ruclubmotherland.vercel.app Official website for Motherland RU Club — a student environmental squad from Pokhara, Nepa | 3 | Codex, OpenCode | 2 | 3,856 tok |
| k1wi777/my-harness-SDD A custom harness for the professional use of tools and AI agents, based on a spec-driven d | 3 | Codex, OpenCode | 1 | 1,309 tok |
| CBNU-TeamH/RMF-Block Re-arrangeable Markdown Fabric block based note-taking app | 3 | Claude Code, Codex, OpenCode | 2 | 2,338 tok |
| kokodak/hanji kokodak.github.io Hanji 韓紙, a super lightweight Markdown editor. | 3 | Claude Code, Codex, OpenCode | 2 | 963 tok |
| NetApp/gcnv-mcp-server MCP server for provisioning and managing NAS and iSCSI volumes using Google Cloud NetApp V | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 23,364 tok |
| pajew-ski/temet-nosce pajew.ski A self-explaining knowledge graph. No embeddings, no vector DB. Just Markdown, an index, a | 3 | Codex, OpenCode | 1 | 6,257 tok |
| ianandersonlol/HiveTransition | 3 | Claude Code, Codex, OpenCode | 2 | 2,663 tok |
| QTtrash/tarkov-map signal.mouchsiadis-solutions.com Local-first Escape from Tarkov map intelligence and end-to-end encrypted squad position sh | 3 | Codex, OpenCode | 1 | 353 tok |
| tembo/docs | 3 | Codex, OpenCode | 1 | 1,052 tok |
| aaronvanston/thinking-vault-template Sanitized, shareable template for an Obsidian/Markdown thinking vault — structure, convent | 3 | Claude Code, Codex, OpenCode | 2 | 154 tok |
| ai-integr8tor/agent0ai-dox | 3 | Codex, OpenCode | 1 | 820 tok |
| muqeetmughal/db_tools A Frappe App For Database Level Tools and Utilities | 3 | Codex, OpenCode | 1 | 3,025 tok |
| jonanderson10/enhanced-opencode-prompt-stack A provider-agnostic replacement for OpenCode's built-in system prompts with best practices | 3 | Codex, OpenCode | 1 | 576 tok |
| romelllo/mipt-python-2026 | 3 | Claude Code, Codex, OpenCode | 2 | 1,984 tok |
| fco3lho/unlazier-ai OpenCode and Claude Code rules to eliminate lazy coding, behavioral principles, code quali | 3 | Claude Code, Codex, OpenCode | 2 | 1,425 tok |
| jiki-education/front-end | 3 | Claude Code, Codex, OpenCode | 4 | 4,082 tok |
| mithunyc/obsidian-agent-memory A production-grade memory system for AI coding agents. Context Capsules, Tiered Retrieval, | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 496 tok |
| abexiong/govafy-unsolicited-proposal-kit A plain-English playbook for small businesses writing federal unsolicited proposals under | 3 | Claude Code, Codex, OpenCode | 2 | 4,953 tok |
| Affitor/agent-skills AI agent instructions for integrating Affitor affiliate tracking. Works with Claude Code, | 3 | Codex, OpenCode | 1 | 327 tok |
| gatalifeltd/economizer-skills Token-economy guidelines for coding agents — cut wasted output, reduce cost (Claude, Curso | 3 | Claude Code, Codex, OpenCode | 2 | 178 tok |
| elmoritz/agents-skills-setup elmoritz.github.io | 3 | Claude Code, Codex, OpenCode | 25 | 2,647 tok |
| weante/city-salary City salary calculator Agent Skill: Calculates social security, housing provident fund, in | 3 | Codex, OpenCode | 1 | 1,640 tok |
| intentdriven/abcd abcdev.app abcd: An experimental configuration layer for intent-driven development. | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,013 tok |
| AsterCommunity/AptS-1548 | 3 | Codex, OpenCode | 1 | 400 tok |
| TidyFactor/Cinematic tidyfactor.com Produce high-impact, scroll-driven product films and luxury Cinematic Landing pages. | 3 | Claude Code, Codex, OpenCode | 20 | 3,385 tok |
| hanzixuan58521/zixuan-agent-constitution A personal AI agent constitution combining Occam's razor, first principles, beginning with | 3 | Codex, OpenCode | 1 | 3,941 tok |
| serenashenn3-art/wechat-forensic-pro wechat-forensic-pro | 3 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 13,264 tok |
| 8Dionysus/aoa-agents Role and persona layer for AoA: explicit agent profiles, role contracts, handoff rules, me | 3 | Codex, OpenCode | 1 | 1,225 tok |