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Agent skills for spec-driven development in Claude Code

1,301 agent skills for spec-driven development in the catalog list Claude Code as a supported host. These are the 15 that rank highest, ordered by adoption, freshness and documentation. pm, write-a-prd and prd-to-plan lead the list. Claude Code reads them from .claude/skills/<name>/SKILL.md in the project, or ~/.claude/skills/<name>/ for every project. A skill is a folder with a SKILL.md file; Claude Code loads it when a task matches its description. Every listing links to its source and shows a freshness grade.

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

How to install in Claude Code

npx skills add <owner>/<repo> --skill <name> -a claude-code

Where it goes: .claude/skills/<name>/SKILL.md in the project, or ~/.claude/skills/<name>/ for every project.

The host's docs describe copying a folder with a SKILL.md into a skills directory; the npx skills command is a third-party shortcut for the same thing.

Each listing page has the exact command for that listing.

Top 15 of 1,301

  1. 1
    pm

    Q00

    Use when the user wants product requirements rather than code: 'write a PRD', 'product requirements', 'spec this feature for the team', 'ooo pm'.

    • Repository has 6.3K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 6.3KLast active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  2. 2
    write-a-prd

    webiny

    Create a PRD through user interview, codebase exploration, and module design, then submit as a GitHub issue.

    • Repository has 8K stars
    • Active in the last 30 days

    ★ 8KLast active Oct 20, 2026Claude Code, Claude apps, Codex, Cursor +6

  3. 3
    prd-to-plan

    webiny

    Turn a PRD into a multi-phase implementation plan using tracer-bullet vertical slices, saved as a local Markdown file in ./plans/.

    • Repository has 8K stars
    • Active in the last 30 days

    ★ 8KLast active Oct 20, 2026Claude Code, Claude apps, Codex, Cursor +6

  4. 4
    bmad-prd

    bmad-code-org

    Create, update, or validate a PRD.

    • Largest repository here (54,505 stars)
    • Active in the last 30 days

    ★ 54.5KLast active Oct 17, 2026Claude Code, Claude apps, Codex, Cursor +6

  5. 5
    bmad-agent-po

    bmad-code-org

    Sofia, the Product Owner: turns any input (an idea, brief, PRD, transcript, notes) into a ticket's requirements, slices initiatives into epics and epics into…

    • Largest repository here (54,505 stars)
    • Active in the last 30 days
    • Ships helper scripts

    ★ 54.5KLast active Oct 18, 2026Claude Code, Claude apps, Codex, Cursor +6

  6. 6
    strategy-red-team

    phuryn

    Red-team a PRD, roadmap, or strategy by attacking its load-bearing assumptions before reality does.

    • Repository has 27.3K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 27.3KLast active Oct 10, 2026Claude Code, Claude apps, Codex, Cursor +6

  7. 7
    pre-mortem

    phuryn

    Run a pre-mortem risk analysis on a PRD or launch plan.

    • Repository has 27.3K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 27.3KLast active Oct 10, 2026Claude Code, Claude apps, Codex, Cursor +6

  8. 8
    verify-docs

    markuplint

    Verify documentation claims (README, JSDoc) in spec-heavy packages — @markuplint/types (attribute value types; WHATWG/W3C/RFC/CSS/SVG grammars) and…

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

    ★ 629Last active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

  9. 9
    comet-design

    rpamis

    Use when full Comet change 已完成 open 阶段但缺少 Superpowers Design Doc，或 design 阶段需要从 OpenSpec 交接包恢复。

    • Repository has 3.2K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 3.2KLast active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  10. 10
    gh-doc-author

    caarlos0

    Author and revise clear GitHub internal documentation, including design docs, proposals, decision records, runbooks, status updates, and handoffs.

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

    ★ 224Last active Oct 1, 2026Claude Code, Claude apps, Codex, Cursor +6

  11. 11
    vibe-prd

    KhazP

    Write or revise an MVP product requirements document with scope and observable acceptance criteria.

    • Repository has 3.2K stars
    • Open source (MIT)

    ★ 3.2KLast active Sep 10, 2026Claude Code, Claude apps, Codex, Cursor +6

  12. 12
    project-planner

    modimihir07

    Detailed implementation plans and spec-driven development

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

    ★ 208Last active Oct 22, 2026Claude Code, Claude apps, Codex, Cursor +6

  13. 13
    decision-eval

    avelikiy

    Spawns the decision-scorer agent after architect proposes 2+ variants in an ADR.

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

    ★ 105Last active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  14. 14
    deliver-prd

    product-on-purpose

    Creates a comprehensive Product Requirements Document that aligns stakeholders on what to build, why, and how success will be measured.

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

    ★ 758Last active Oct 17, 2026Claude Code, Claude apps, Codex, Cursor +6

  15. 15
    deliver-user-stories

    product-on-purpose

    Generates user stories in the standard persona, action, benefit story format from product requirements or feature descriptions.

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

    ★ 758Last active Oct 17, 2026Claude Code, Claude apps, Codex, Cursor +6

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