Agent Specification Frameworks AI Agents

Tools for defining, generating, and managing executable specifications that AI agents consume directly for task execution, planning, and validation. Does NOT include general documentation systems, BDD frameworks, or agent orchestration platforms without specification-as-code focus.

There are 45 agent specification frameworks agents tracked. 2 score above 50 (established tier). The highest-rated is codervisor/lean-spec at 53/100 with 198 stars.

Get all 45 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=agents&subcategory=agent-specification-frameworks&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

# Agent Score Tier
1 codervisor/lean-spec

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

53
Established
2 irahardianto/awesome-agv

Comprehensive sets of standards and practices designed to elevate the...

52
Established
3 prime-vector/open-agent-spec

Open Agent Spec is a declarative YAML standard and CLI for defining and...

48
Emerging
4 SpecLeft/specleft

Turn your code in to specs. Spec driven framework with multi language...

44
Emerging
5 doncheli/don-cheli-sdd

Don Cheli — SDD Framework. The most comprehensive Specification-Driven...

44
Emerging
6 artsyne/anrs

A practical specification for structuring AI-friendly code repositories.

39
Emerging
7 agents-oss/agentspec

Declarative agent spec

36
Emerging
8 DimitriGeelen/agentic-engineering-framework

Governance framework for AI coding agents — enforces task traceability,...

36
Emerging
9 vtemian/agentprobe

Tool-agnostic TypeScript library for observing coding agent sessions....

36
Emerging
10 Dokkabei97/aide-methodology

A software development methodology for the agentic era — researched,...

36
Emerging
11 specsmith-ai/specsmith-cli

Specsmith CLI: Turn vague ideas into actionable specs with AI. Works with...

33
Emerging
12 datalayer/agentspecs

🤖 👷 Agentspecs - YAML-based specifications for AI agents, MCP servers,...

32
Emerging
13 amauryconstant/openspec-extended

Extension pack for OpenSpec adding autonomous 7-phase implementation...

32
Emerging
14 j5ik2o/takt-sdd

A Spec-Driven Development (SDD) workflow definition repository using takt

31
Emerging
15 juanklagos/spec-driven-development-template

Operational SDD framework with AI guidance, GitHub Spec Kit workflows, and...

29
Experimental
16 fall-out-bug/sdp

Structured protocol for AI-assisted development. Discovery → Delivery → Evidence.

29
Experimental
17 duckflux/spec

🦆📜 A minimal, deterministic, runtime-agnostic DSL for orchestrating...

27
Experimental
18 cesp99/spettro

Spettro is a terminal coding assistant built in Go. It automates planning,...

27
Experimental
19 ghostwright/specter

Deploy AI agents to dedicated VMs in 90 seconds. Interactive TUI. Automatic...

26
Experimental
20 GuiMiran/spectra

The agentic specification framework. Domain-first specs that AI can consume directly.

25
Experimental
21 uwzis/UniSpec

Spec-driven development (SDD) for agents, all in a docker-like interface...

25
Experimental
22 stepanenkoviktor0110-boop/ai-dev-methodology-codex

AI-First Development Methodology v1.4 for Codex Agent SDK — spec-driven...

23
Experimental
23 sharathsatish/spec-kit-fleet

Orchestrate a full feature lifecycle with human-in-the-loop gates across all...

23
Experimental
24 jyjeanne/rustyspec

A Rust CLI SDD tool that transforms feature descriptions into structured...

22
Experimental
25 yunusakin/spectra

CLI operating system for AI-assisted product development with executable...

22
Experimental
26 murzua7/autospec

Self-supervising TLA+ formal verification loop — an LLM agent iteratively...

22
Experimental
27 GuiMiran/guido-sdd-engineering-stack

GUIDO SDD Engineering Stack — Governed, Unified, Intent-Driven,...

22
Experimental
28 williamceccon/spec-driven-development-starter-pack

🚀 Beginner-friendly starter pack for spec-driven development, multi-agent...

22
Experimental
29 ktmage/spekta

Tests are the spec. Generate living documentation from test code — AI agents...

22
Experimental
30 VERTYXNEXUSEIL/PCA-SPEC

https://pca-spec.github.io

22
Experimental
31 supermarsx/app-spec-collection

Application Specification Templates for AI Coding and Software Engineering

22
Experimental
32 sengac/fspec.app

WIP: A mobile client for fspec that lets developers run remote coding agent...

21
Experimental
33 fabiojmf/open-agent-system

Open Agent System specification with Kiro CLI compatibility

21
Experimental
34 BananaAcid/PollinationsAiPS

Power up your PowerShell scripts with AI! A seamless interface for...

21
Experimental
35 mightyoung/integrated-dev-workflow

Integrates with superpowers, planning-with-files and spec-kit. One-click...

21
Experimental
36 JanneL/validate-intentspec-action

The open standard for Spec-Driven Development. Validate functional...

20
Experimental
37 Sharper-Flow/Advance

Spec-driven development for OpenCode: enforceable specs, gated workflows,...

17
Experimental
38 hassenkhrouf/login-use-speckit

A robust, secure, and user-friendly authentication interface built with...

14
Experimental
39 rafa761/spec-agent-hackaton-bairesdev-202603

SpecAgent: API Test Generator

14
Experimental
40 Ub207/hackathon-ii-todo

Spec-Driven Todo App - AI reads specs, decomposes tasks & self-validates |...

14
Experimental
41 RohmaShabbir/the_evolution_of_todo

The Evolution of Todo – Mastering Spec-Driven Development & Cloud Native AI

13
Experimental
42 Ahmad-Ez/docs-to-code

Spec-locked, mission-control protocol for autonomous AI software engineering...

13
Experimental
43 mssabr01/gastown_specwriter

An AI TLA+ spec writer for defi protocols

13
Experimental
44 DanishHaji/The-Evolution-of-Todo-Phase3

AI-powered chatbot interface for managing todos through natural language...

13
Experimental
45 jwill9999/spec-kit

Start a project with by running speckit in your terminal, and let the wizard...

12
Experimental