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Best agent skills for diagrams

We found 717 agent skills for diagrams 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. pathfinder, attach-image and archify lead it. figma-generate-diagram and sketch are published by the company that makes them. diagram comes from the largest repository here (137,493 stars). 13 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 717

  1. 1
    pathfinder

    thedotmack

    Map a codebase into feature-grouped flowcharts, identify duplicated concerns across features, and propose a unified architecture.

    • Repository has 102.8K stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 102.8KLast active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  2. 2
    attach-image

    PrimeIntellect-ai

    Load an on-disk image (PNG, JPEG, GIF, WebP) into the model's context as a viewable attachment so the model can directly SEE it — for screenshots, diagrams…

    • Repository has 22.3K stars
    • Active in the last 30 days
    • Ships helper scripts

    ★ 22.3KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

  3. 3
    archify

    tt-a1i

    Create validated architecture, workflow, sequence, data-flow, lifecycle/state, ERD, class, tree, timeline, and waterfall diagrams as explorable standalone…

    • Repository has 88.7K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 88.7KLast active Oct 19, 2026Claude Code, Claude apps, Codex, Cursor +6

  4. 4
    diagram

    garrytan

    Turn an English description (or mermaid source) into a diagram triplet: the source, an editable .excalidraw file you can open on excalidraw.com, and rendered…

    • Largest repository here (137,493 stars)
    • Active in the last 30 days
    • Open source (MIT)

    ★ 137.5KLast active Oct 20, 2026Claude Code, Claude apps, Codex, Cursor +6

  5. 5

    Improve Archify diagram accuracy, visual quality and complete authoring speed with fewer repairs.

    • Repository has 88.7K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 88.7KLast active Oct 19, 2026Claude Code, Claude apps, Codex, Cursor +6

  6. 6

    Use when validating markdown links or Mermaid diagrams.

    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 535Last active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  7. 7
    pinepaper

    madhvantyagi

    Build and check Pinepaper MCP diagrams, charts, motion, and interactive models when a lesson needs linked visual states or a changing quantity.

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

    ★ 342Last active Sep 30, 2026Claude Code, Claude apps, Codex, Cursor +6

  8. 8

    Review and improve codebase architecture with source-backed current/proposed diagrams, tradeoffs and verification.

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

    ★ 656Last active Oct 9, 2026Claude Code, Claude apps, Codex, Cursor +6

  9. 9

    Create branded architecture, architecture delta, IT current-state, flowchart, sequence, state machine, ER/data model, timeline, swimlane, quadrant…

    • Repository has 8.6K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 8.6KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

  10. 10
    engraved-figures

    OutThisLife

    Create scientific figures, technical plates, research posters and diagram collections in a monochrome engraved-paper style.

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

    ★ 206Last active Oct 22, 2026Claude Code, Claude apps, Codex, Cursor +6

  11. 11
    html-diagram

    plannotator

    Direct-invocation specialist for self-contained HTML diagrams whose layout, notation, and interaction clarify relationships, sequence, topology, state…

    • Repository has 3.7K stars
    • Open source (MIT)

    ★ 3.7KLast active Aug 2, 2026Claude Code, Claude apps, Codex, Cursor +6

  12. 12

    MANDATORY prerequisite — load this skill BEFORE every `generate_diagram` tool call.

    • Published by the vendor
    • Repository has 2.1K stars

    ★ 2.1KLast active Sep 18, 2026Claude Code, Claude apps, Codex, Cursor +6

  13. 13

    Use when turning content into clear strategy-consulting visualizations, including board slides, reports, diagrams, quiet animated decks, or explicit dynamic…

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

    ★ 154Last active Oct 18, 2026Claude Code, Claude apps, Codex, Cursor +6

  14. 14
    sketch

    makenotionOfficial

    Sketch an App workflow as a reviewable flow diagram when planning or iterating on its design with the user.

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

    ★ 220Last active Oct 19, 2026Claude Code, Claude apps, Codex, Cursor +6

  15. 15
    excalidraw

    Yam Borodetsky

    Generate Excalidraw diagrams from natural language descriptions.

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

    ★ 147Last active Sep 25, 2026Claude Code, Claude apps, Codex, Cursor +6