github

    github/spec-kit

    #24 this week

    πŸ’« Toolkit to help you get started with SDD or any other process!

    ai
    copilot
    development
    engineering
    prd
    spec
    Python
    MIT
    147.9K stars
    13.3K forks
    735 GitHub watchers
    Updated Nov 6, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    Ranks #4 among AI repositories ranked this week; #24 of 182 repositories with measured growth this week (top 13%).

    5 releases in the last 90 days, the latest today, with 330 contributors on GitHub.

    The biggest single-day gain in the last year, +1,197 stars on Sep 11, coincided with release v1.0.6.

    Use Cases & Benefits

    • Provides a Python-based toolkit to implement Spec-Driven Development by turning executable specifications into working software.
    • Enables structured, AI-assisted development workflows that focus on clear specifications and predictable outcomes rather than ad hoc coding.
    • Use for bootstrapping new software projects with AI-guided specification, planning, and implementation steps to ensure alignment with product goals.
    • Use for modernizing legacy codebases by iteratively enhancing features through specification-driven task breakdown and execution.
    • Use for exploring multiple technology stacks and architectures in parallel by generating diverse implementation plans from a single specification.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    MIT

    Permissive: commercial use, modification and redistribution are allowed with attribution.

    Community files

    • README: present
    • Contributing guide: present
    • Code of conduct: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    Build high-quality software faster.

    An open source toolkit that allows you to focus on product scenarios and predictable outcomes instead of vibe coding every piece from scratch.

    Spec-Driven Development flips the script on traditional software development. For decades, code has been king β€” specifications were just scaffolding we built and discarded once the "real work" of coding began. Spec-Driven Development changes this: specifications become executable, directly generating working implementations rather than just guiding them.

    Excerpt from the github/spec-kit README on GitHub (MIT license). Β© its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Aug 15: +753Aug 16: +242Aug 17: +482Aug 18: +125Aug 27: +121Sep 3: +104Sep 4: +300Sep 5: +63Sep 10: +76Sep 11: +1,197Sep 12: +330Sep 13: +286Sep 14: +450Sep 15: +272Sep 16: +310Sep 17: +264Sep 18: +201Sep 19: +85Oct 30: +248Nov 2: +584Nov 3: +495Nov 4: +1,134Nov 5: +647Nov 6: +605

    +19,609 stars over 84 days across 34 snapshot days; best day +1,197 on Sep 11.

    Forks

    13.3K+1.8K

    Open issues

    207-100

    Compared with peers in AI

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

    github/spec-kit compared with AI repositories by stars, 7-day star growth, health score and last release
    RepositoryStars+7dHealthLast release
    thedotmack/claude-mem113.6K+8.8K35today
    D4Vinci/Scrapling98.1K+6.9K651 day ago
    Leonxlnx/taste-skill110.7K+5.2K551 day ago
    calesthio/OpenMontage77.2K+4.2K40β€”
    heygen-com/hyperframes79.6K+4.1K45today
    github/spec-kit147.9K+4.0K45today
    Category median98.1K+5.2K45β€”

    Also by github

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