Agent Usage

Toolkit

Tools that make coding agents faster, cheaper and better at the job. Added by builders, ranked by their votes.

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All tools

Every category, most voted first
  1. 1
    Anthropic skillsanthropics/skillsNew

    Official document, design and web-testing skills, plus a template for writing your own.

    Product buildingWorks with Claude CodeAdded by @piash
  2. 2
    GraphifyGraphify-Labs/graphifyNew

    Turns your codebase, docs and schemas into a knowledge graph your agent queries instead of grepping raw files.

    Context and memoryWorks with Claude Code, Codex, Cursor, Gemini CLIAdded by @piash
  3. 3
    Harness²google-research/harness2New

    Improves the prompts, tools, memory and skills around a fixed model by testing harness edits on your own task.

    Harness and evalsWorks with OpenCode, CodexAdded by @piash
  4. 4
    Karpathy guidelinesforrestchang/andrej-karpathy-skillsNew

    Four rules in one CLAUDE.md: think first, keep it simple, change only what you must, define done.

    Skills and workflowsWorks with Claude Code, CursorAdded by @piash
  5. 5
    OpenMuseCopilotKit/openmuseNew

    Personal agent app with a persistent browser, an optional isolated terminal and file access. Alpha.

    Browser and computer useWorks with OtherAdded by @piash
  6. 6
    PonytailDietrichGebert/ponytailNew

    Makes the agent check what already exists before writing code. Less code, fewer tokens.

    Token optimizationWorks with Claude Code, Codex, OpenCode, Pi, Gemini CLI, CursorAdded by @piash
  7. 7
    REAmorluto/reaNew

    MCP server that lets agents reverse engineer binaries, Electron apps, .NET assemblies and websites, with evidence.

    Security and testingWorks with Any MCP clientAdded by @piash
  8. 8
    Security auditcloudflare/security-audit-skillNew

    Multi-phase audit from Cloudflare where a second agent tries to disprove every finding before you see it.

    Security and testingWorks with Claude Code, CodexAdded by @piash
  9. 9
    Superpowersobra/superpowersNew

    Brainstorm, plan, test first and review: a full development process for your agent, as skills.

    Skills and workflowsWorks with Claude Code, Codex, Cursor, OpenCode, Pi, Gemini CLIAdded by @piash
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