MCP Servers

spec-coding-mcp

A local MCP server for spec-driven development, enabling users to create, review, and manage specs that guide AI code generation and testing.

README

Spec Coding MCP

这是一个面向 spec coding 的本地 MCP 服务。

核心思路很简单：先写或审查一份小规格，再让 AI 按规格修改代码和测试。它不再尝试把整个系统永久文档化，也不维护复杂的 CRDT 状态。

目标

从没有 spec 的旧项目中反推 specs/ 目录，方便用户审查当前系统。
用户开发前先修改或新增 spec。
Codex 读取 active spec，按最新规格实现代码和测试。
验证通过后把 spec 归档到 done/。

目录结构

specs/
  README.md
  review/
    source-inventory.md
    index.md
    *.md
  active/
    *.md
  done/
    *.md
  templates/
    feature.md
    bugfix.md
    removal.md

review/：从源码反推的当前代码事实，状态通常是 source-derived/current-code，用于用户审查。
active/：准备实现或正在实现的 spec。
done/：已实现并验证通过的 spec。
templates/：新建 spec 的模板。

MCP 工具

工具	作用
`spec_init`	初始化 `specs/` 目录和模板
`spec_generate_from_source`	从现有源码反推 review specs
`spec_create`	根据用户描述创建 active spec
`spec_list`	列出 review、active、done specs
`spec_context`	返回给 Codex 实现代码所需的 spec 上下文
`spec_done`	验证通过后把 spec 移到 done

安装

npm install -g @dev_xiaoyun/spec-coding-mcp
specc init

specc init 会扫描本机的 Codex、Claude Code、OpenCode，并让你选择注册 MCP。

手动配置 Codex 时推荐使用 Node 直连入口：

[mcp_servers.spec-coding]
command = "C:\\nvm4w\\nodejs\\node.exe"
args = ["C:\\nvm4w\\nodejs\\node_modules\\@dev_xiaoyun\\spec-coding-mcp\\dist\\index.js"]

路径需要按你的 Node 全局安装目录调整。

本地开发

npm install
npm test

启动 MCP server：

specc

或：

node dist/index.js

设计边界

Spec Coding MCP 不做这些事：

不试图把整个系统永久文档化。
不追踪每个功能点和代码位置的强一致状态。
不使用用户手写 ID 或 change log。
不把半成品开发状态伪装成已完成。

它只做一件事：让每次开发都有一份清楚、可审查、可实现、可归档的 spec。

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