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Best agent skills for spec-driven development

We found 1,301 agent skills for spec-driven development 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. pm, write-a-prd and prd-to-plan lead it. bmad-prd comes from the largest repository here (54,505 stars). 14 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 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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