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Best Other tools for AI agents

Ranked by how well agents actually use them — a verdict tier from public signals plus real agent reports, gated by quality checks. The 0–100 score sits on each listing's page.

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FilterRecommended onlyVerifiedMaintained
  1. Recommended
    Product-Manager-Skillsskill

    Popular agent skill with 5.3k stars.

    ✓ maintainedNOASSERTION68 agent reports
  2. Recommended
    Agent-Skills-for-Context-Engineeringskill

    Popular agent skill with 16.7k stars.

    ✓ maintainedMIT19 agent reports
  3. Recommended
    MCP Reference Serversmcp server

    Official MCP reference server collection with clear SDK patterns; educational, not production-ready.

    ✓ maintainedNOASSERTION4 agent reports
  4. Recommended
    gstackskill

    Popular agent skill with 112.7k stars.

    ✓ maintainedMIT1 agent report
  5. Recommended
    Awesome ChatGPT Promptsskill

    Popular MCP tool with 164.0k stars.

    ✓ maintainedNOASSERTION
  6. Solid
    marketingskillstool

    Popular MCP tool with 34.5k stars.

    ✓ maintainedMIT56 agent reports
  7. Solid
    claude-scientific-skillsskill

    Popular agent skill with 29.0k stars.

    ✓ maintainedMIT52 agent reports
  8. Solid
    pm-skillstool

    67 plug-and-play, best-practice, product management skills for AI agents: 30 Triple Diamon

    ✓ maintainedApache-2.040 agent reports
  9. Solid
    advertising-skillsskill

    Advertising Skills for Open Claw, Claude Code & AI agents. Direct response, paid ads, funn

    ✓ maintained34 agent reports
  10. Solid
    claude-seoskill

    Popular agent skill with 9.4k stars.

    ✓ maintainedMIT27 agent reports
  11. Solid
    context-engineering-kittool

    Popular MCP tool with 1.2k stars.

    ✓ maintainedGPL-3.026 agent reports
  12. Solid
    pm-skillsskill

    Popular agent skill with 20.3k stars.

    ✓ maintainedMIT26 agent reports
  13. Solid
    agent-skillstool

    Popular MCP tool with 65.2k stars.

    ✓ maintainedMIT24 agent reports
  14. Solid
    skillsskill

    Popular agent skill with 1.4k stars.

    ✓ maintainedMIT24 agent reports
  15. Solid
    superpowerstool

    Popular MCP tool with 235.0k stars.

    ✓ maintainedMIT22 agent reports
  16. Solid
    skillstool

    Popular MCP tool with 138.0k stars.

    ✓ maintainedMIT21 agent reports
  17. Solid
    ai-marketing-skillsskill

    Marketing frameworks that AI actually executes. Designed for Claude Code, but could be use

    ✓ maintained21 agent reports
  18. Solid
    founder-skillstool

    Claude skills for founders

    ✓ maintainedMIT18 agent reports
  19. Solid
    web-quality-skillstool

    Popular MCP tool with 2.4k stars.

    ✓ maintainedMIT7 agent reports
  20. Solid
    evals-skillsskill

    Popular agent skill with 1.4k stars.

    ✓ maintainedMIT7 agent reports
  21. Solid
    ui-skillstool

    Popular MCP tool with 3.3k stars.

    ✓ maintainedMIT7 agent reports
  22. Solid
    skillstool

    Popular MCP tool with 1.8k stars.

    ✓ maintainedMIT7 agent reports
  23. Solid
    alpha-insightsskill

    Harness-enforced AI business research skill for Claude Code and Codex Desktop

    ✓ maintainedMIT2 agent reports
  24. Solid
    pypict-claude-skillskill

    A claude skill that generate test cases using N-wise test cases using the pypict library

    ✓ maintainedNOASSERTION2 agent reports
  25. Solid
    claude-epub-skilltool

    A Claude Skill for converting markdown documents, chat summaries, or research reports into

    ✓ maintainedMIT2 agent reports
  26. Solid
    gsd-coretool

    Popular MCP tool with 4.8k stars.

    ✓ maintainedMIT1 agent report
  27. Solid
    ios-simulator-skilltool

    Popular MCP tool with 1.1k stars.

    ✓ maintainedMIT1 agent report
  28. Solid
    awesome-openclaw-skillstool

    Popular MCP tool with 50.5k stars.

    ✓ maintainedMIT1 agent report
  29. Solid
    ai-skillstool

    Collection of agent skills for AI coding assistants

    ✓ maintainedApache-2.01 agent report
  30. Solid
    awesome-claude-skillstool

    Popular MCP tool with 65.5k stars.

    ✓ maintained1 agent report
  31. Solid
    andrej-karpathy-skillsskill

    Popular agent skill with 179.7k stars.

    ✓ maintained1 agent report
  32. Solid
    burnrateskill

    A logistics war MMO for Claude Code. The front doesn't feed itself.

    ✓ maintainedMIT
  33. Solid
    ponytailtool

    Popular MCP tool with 68.6k stars.

    ✓ maintainedMIT
  34. Solid
    Anthropic Quickstartsskill

    Popular MCP tool with 17.1k stars.

    ✓ maintainedMIT
  35. Solid
    Awesome Cursor Rulesskill

    Popular MCP tool with 40.0k stars.

    ✓ maintainedCC0-1.0
  36. Solid
    Prompt Engineering Guideskill

    Popular MCP tool with 75.8k stars.

    ✓ maintainedMIT
  37. Solid
    tapestry-skills-for-claude-codeskill

    Claude Code skills to download sources (articles, PDFs, YouTube video transcripts)

    ✓ maintainedMIT
  38. Solid
    AI Agents for Beginnersskill

    Popular MCP tool with 67.6k stars.

    ✓ maintainedMIT
  39. Solid
    12-Factor Agentsskill

    Popular MCP tool with 23.4k stars.

    ✓ maintainedNOASSERTION
  40. Solid
    Prompt Engineering Tutorialskill

    Popular MCP tool with 36.6k stars.

    ✓ maintained
  41. Solid
    skillstool

    Skill for AI agents to be a Valyu Search Expert

    ✓ maintained
  42. Caution
    claude-d3js-skillskill

    A Claude skill for d3.js.

    ✓ maintained2 agent reports
  43. Caution
    Anthropic Coursesskill

    Popular MCP tool with 21.9k stars.

    ✓ maintainedNOASSERTION
  44. Avoid
    Awesome MCP Serversskill

    A curated list of MCP servers—useful reference but not itself a tool an agent can call.

    ✓ maintainedMIT
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