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Best agent skills for library and API docs lookup

We found 172 agent skills for library and API docs lookup in the catalog; these are the 15 that rank highest. The order comes from our rank, which weighs adoption, freshness, documentation and publisher identity. Nobody can pay for a place on this list. claude-api, lsp-docs and stripe-docs lead it. claude-api, stripe-docs and prisma-client-api are published by the company that makes them. claude-api comes from the largest repository here (183,466 stars). 7 of the 15 had activity in the last 30 days. Each entry lists why it made the list and links to its install page.

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

Top 15 of 172

  1. 1
    claude-api

    anthropicsOfficial

    Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration.

    • Published by the vendor
    • Largest repository here (183,466 stars)
    • Active in the last 30 days

    ★ 183.5KLast active Oct 9, 2026Claude Code, Claude apps, Codex, Cursor +6

  2. 2
    lsp-docs

    blackwell-systems

    Three-tier documentation lookup for any symbol — hover → offline toolchain doc → source definition.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 164Last active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

  3. 3
    stripe-docs

    stripeOfficial

    Use when the user or agent needs to read, search, or look up Stripe documentation or API reference.

    • Published by the vendor
    • Repository has 2K stars
    • Open source (MIT)

    ★ 2KLast active Sep 9, 2026Claude Code, Claude apps, Codex, Cursor +6

  4. 4
    openloomi-api

    melandlabs

    openloomi HTTP API reference (local-first, served from the OpenLoomi Desktop app at http://localhost:3414).

    • Repository has 1K stars
    • Open source (Apache-2.0)

    ★ 1KLast active Aug 31, 2026Claude Code, Claude apps, Codex, Cursor +6

  5. 5
    context7

    pedronauck

    Retrieves up-to-date documentation, API references, and code examples for any developer technology.

    ★ 641Last active Sep 14, 2026Claude Code, Claude apps, Codex, Cursor +6

  6. 6
    core-animation

    Prisma-Labs-Dev

    API reference: Core Animation (QuartzCore).

    • Open source (MIT)

    ★ 349Last active Sep 10, 2026Claude Code, Claude apps, Codex, Cursor +6

  7. 7
    openhands-api

    OpenHands

    Reference skill for the OpenHands Cloud REST API (V1) and agent-server APIs, including how to start additional cloud or local backend conversations for…

    • Active in the last 30 days
    • Open source (MIT)
    • Ships helper scripts

    ★ 173Last active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  8. 8
    context7

    RTGS2017

    Context7 MCP via mcporter (stdio).

    • Repository has 1.5K stars
    • Open source (AGPL-3.0)

    ★ 1.5KLast active Jul 16, 2026Claude Code, Claude apps, Codex, Cursor +6

  9. 9
    prisma-client-api

    prismaOfficial

    Prisma Client API reference covering model queries, filters, operators, and client methods.

    • Published by the vendor
    • Open source (MIT)

    ★ 76Last active Aug 4, 2026Claude Code, Claude apps, Codex, Cursor +6

  10. 10
    remotion-docs

    remotion-dev

    Search Remotion documentation

    • Repository has 5.6K stars
    • Active in the last 30 days

    ★ 5.6KLast active Oct 22, 2026Claude Code, Claude apps, Codex, Cursor +6

  11. 11
    ios-liquid-glass

    Prisma-Labs-Dev

    API reference: Liquid Glass (iOS 26+).

    • Open source (MIT)

    ★ 349Last active Jul 4, 2026Claude Code, Claude apps, Codex, Cursor +6

  12. 12
    aws-mcp-setup

    sickn33

    Configure AWS MCP servers for documentation search and API access.

    • Repository has 48.4K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 48.4KLast active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

  13. 13
    cypress-docs

    cypress-io

    Search and extract Cypress information from official documentation (docs.cypress.io, cypress.io); prefer LLM markdown under /llm/* and refuse unverified API…

    • Active in the last 30 days
    • Open source (MIT)

    ★ 47Last active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  14. 14
    nemoclaw-user-guide

    NVIDIA

    Guides human users' AI agents to the NemoClaw docs MCP server and canonical Fern documentation in Markdown form.

    • Repository has 3.7K stars
    • Open source (Apache-2.0)

    ★ 3.7KLast active Jul 17, 2026Claude Code, Claude apps, Codex, Cursor +6

  15. 15
    docs-generator

    ulises-jeremias

    WHAT — Generate or update documentation from code: README.md from repo structure, CHANGELOG.md from git history, API reference from OpenAPI/GraphQL schemas…

    • Active in the last 30 days
    • Open source (MIT)

    ★ 19Last active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

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