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#spec-driven-development (30 Repositories)

Ranked open-source repositories tagged with #spec-driven-development, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

59.0%

Avg Review Latency

85.4h

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30 repositories tagged #spec-driven-development

S TierTypeScript 1.3k

open-gsd/gsd-pi

A powerful meta-prompting, context engineering and spec-driven development system that enables agents to work for long periods of time autonomously without losing track of the big picture

89.2%
Merge Rate
8h
First Review
56%
1st-Timers
19
Maintainers
S TierPython 1.7k 30 GFIs

spec-kitty/spec-kitty

Spec-Driven Development with organizational governance. Specs tell AI agents what to build; Charter governs how they build it. Git-native missions, enforceable workflows, and consistent engineering standards across AI coding agents and harnesses.

72.8%
Merge Rate
-
First Review
64%
1st-Timers
13
Maintainers
A TierPython 1.6k

Priivacy-ai/spec-kitty

Spec-Driven Development for serious software developers. Spec Coding with with Claude, Cursor, Gemini, Codex. Kanban dashboard, git worktrees, auto-merge and more.

87.4%
Merge Rate
21h
First Review
56%
1st-Timers
11
Maintainers
A TierJavaScript 10.3k

open-gsd/gsd-core

Git. Ship. Done - Core

85.4%
Merge Rate
23h
First Review
39%
1st-Timers
53
Maintainers
A TierTypeScript 514 1 GFIs

JetBrains/thinkrail

Vibe code with pi in a lightweight, real IDE that customises itself around the way you work — The Vibe You Need

73.4%
Merge Rate
-
First Review
82%
1st-Timers
15
Maintainers
A TierPython 54.0k

bmad-code-org/BMAD-METHOD

Breakthrough Method for Agile Ai Driven Development

67.5%
Merge Rate
3d
First Review
42%
1st-Timers
27
Maintainers
A TierPython 322

owainlewis/blueprint

The best agent skills in the world for software development.

94.5%
Merge Rate
1d
First Review
100%
1st-Timers
0
Maintainers
B TierPython 323

huisezhiyin/sdd-riper

Lightweight AI Agent Harness for agentic coding: let strong models explore while humans steer with minimal specs, checkpoints, approval, validation, and reverse sync.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
A TierShell 1.1k

lee-to/ai-factory

You want to build with AI, but setting up the right context, prompts, and workflows takes time. AI Factory handles all of that so you can focus on what matters — shipping quality code.

86.4%
Merge Rate
10d
First Review
67%
1st-Timers
6
Maintainers
B TierShell 141

tikalk/adlc-team-skills

Agent skills for the Agentic SDLC: team lifecycle (team-boot, team-learn, team-init, team-repair), software factory, evals, CDR lifecycle with confidence scoring, and ADR/PDR/ChDR decision records. Works with Claude Code, Codex, OpenCode, Cursor, Copilot, and more.

69.2%
Merge Rate
-
First Review
100%
1st-Timers
2
Maintainers
A TierJavaScript 780

MageByte-Zero/spec-superflow

源码级融合 OpenSpec 规划引擎 + Superpowers 执行纪律的 AI 编程工作流插件。17 平台支持,9 skills,Spec-first,契约驱动。

89.8%
Merge Rate
4d
First Review
100%
1st-Timers
2
Maintainers
B TierTypeScript 71.5k

Fission-AI/OpenSpec

Spec-driven development (SDD) for AI coding assistants.

57.7%
Merge Rate
2d
First Review
34%
1st-Timers
57
Maintainers
B TierTypeScript 299

lee-to/aif-handoff

Autonomous Kanban board where AI agents plan, implement, and review your tasks — fully hands-off.

86.7%
Merge Rate
10h
First Review
100%
1st-Timers
1
Maintainers
B TierShell 987

zhu1090093659/spec_driven_develop

Spec-driven development workflow for AI coding agents: architecture-first planning, task decomposition, GitHub Issue/PR tracking, Deep Discuss, and adaptive control for Claude Code, Codex, Cursor, and other Markdown-capable agents.

83.3%
Merge Rate
<1h
First Review
100%
1st-Timers
0
Maintainers
B TierJavaScript 495

juxt/allium

The specification language that talks back

100.0%
Merge Rate
8d
First Review
100%
1st-Timers
0
Maintainers
B TierRust 1.7k 1 GFIs

fynnfluegge/agtx

🏄🏼‍♂️ The blackboard for coding agents - agentic development environment for claude code, codex, cursor, opencode, grok and more.

76.5%
Merge Rate
5d
First Review
67%
1st-Timers
2
Maintainers
B TierShell 1.1k 2 GFIs

asklokesh/loki-mode

Autonomous software factory. Give it a GitHub issue, a spec or a one-line task; get back a pull request with a signed receipt anyone can re-check offline. Runs on your machine with your own keys: Claude, Codex, OpenCode.

43.8%
Merge Rate
-
First Review
50%
1st-Timers
2
Maintainers
B TierRust 296

codervisor/leanspec

Lightweight, flexible Spec-Driven Development (SDD) for modern AI-powered development

97.6%
Merge Rate
<1h
First Review
100%
1st-Timers
0
Maintainers
B TierShell 252

aws-samples/sample-specship

Spec-driven autonomous engineering workflow for AI coding agents: recon → plan → build → validate → ship — with TDD, adversarial validation, and anti-slop quality gates. Packaged as a Kiro Power.

100.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
B TierPython 3.8k 2 GFIs

gemini-cli-extensions/conductor

A plugin for AI coding agents (Antigravity, Claude Code) enabling Spec-Driven Development to specify, plan, and implement software features.

40.0%
Merge Rate
<1h
First Review
0%
1st-Timers
2
Maintainers
B TierJavaScript 104

kingxiaozhe/cm-workflow

Codex-native, spec-driven AI Agent workflow with Claude Code compatibility, independent review, QA, fixes, and refactors.

22.2%
Merge Rate
1d
First Review
0%
1st-Timers
0
Maintainers
B TierTypeScript 974

dzhng/skills

Reusable AI agent skills for software factories: explore ideas, write specs, implement, review, and run autonomous research. Works with Claude Code, Codex, and other skill-compatible agents.

25.0%
Merge Rate
3d
First Review
0%
1st-Timers
1
Maintainers
B TierPython 107 8 GFIs

jszmajda/lid

Linked-Intent Development - a SDD methodology for agentic coding

50.0%
Merge Rate
<1h
First Review
0%
1st-Timers
1
Maintainers
B TierGo 144

ariel-frischer/autospec

CLI for streamlined spec-driven development

50.0%
Merge Rate
45d
First Review
0%
1st-Timers
1
Maintainers
C TierJavaScript 64.8k

gsd-build/get-shit-done

A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code by TÂCHES.

76.9%
Merge Rate
8d
First Review
24%
1st-Timers
0
Maintainers
C TierJavaScript 2.1k

maxritter/pilot-shell

Professional context and harness engineering for Claude Code and OpenAI Codex. Build production-grade software with spec-driven development, TDD, persistent memory, quality gates, code intelligence, human oversight, and end-to-end verification.

43.8%
Merge Rate
14d
First Review
50%
1st-Timers
0
Maintainers
D TierTypeScript 3.7k

gotalab/cc-sdd

Turn approved specs into long-running autonomous implementation. A minimal, adaptable SDD harness with Agent Skills for Claude Code, Codex, Cursor, Copilot, Windsurf, OpenCode, Gemini CLI, and Antigravity.

0.0%
Merge Rate
6h
First Review
0%
1st-Timers
0
Maintainers
D TierPython 338

loulanyue/spec-kit-zh

Chinese-localized spec-driven development toolkit for Codex, Claude Code, Cursor, and other AI coding agents.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
1
Maintainers
D TierJavaScript 485

clawplays/ospec

Spec-driven, agentic workflow framework for AI coding agents. Turn a request into a verifiable goal loop — plan, act, verify — with durable specs and evidence in your repo. Works with Claude Code, Codex, Gemini, OpenCode, and plain CLI.

0.0%
Merge Rate
19h
First Review
0%
1st-Timers
0
Maintainers
D TierPython 301

mouredev/hello-sdd

Curso de SDD (Spec-Driven Development) desde cero

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers