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548 repos for testing · CodexClear

The agent IDE that builds itself

3.5k

Official agent plugin providing skills and MCP server configurations for Azure scenarios.

1.5k
SawyerHood/
dev-browser

A Claude Skill to give your agent the ability to use a web browser

6.6k
owainlewis/
machinist

Open source software factory infrastructure for advanced AI coding workflows

398
aplavin/
julia-mcp

MCP server for persistent Julia sessions — fast iteration without startup/compilation overhead

86
sanmak/
specops

Make your AI agent think before it codes.

49
adewale/
skill-eval-harness

Agent Skill evaluation harness for paired variants, trace artifacts, and runner adapters

73
jay7793/
solweaver

Solweaver: a Codex software team with GPT-5.6 Sol orchestrating Terra and Luna workers.

62

817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0

33k
jfrog/
boost

Save tokens. Maximize context, Safely

473
Ancienttwo/
repo-harness

File-backed workflow harness for reliable Claude Code and Codex sessions.

431

TDD enforcement and guardrails for Claude Code, Codex, and GitHub Copilot CLI

199
Rune-kit/
rune

Less skills. Deeper connections. A lean, interconnected skill ecosystem for Claude Code.

86