4 tagged sdd, measured the same way as everything else here.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
Gives the agent up-to-date documentation and code examples for libraries and frameworks, fetched on demand so answers are not stuck at the model's training cutoff. Runs locally from the @upstash/context7-mcp npm package.
MCP server Claude CodeCodexCursor +2
A planning-first CLI for AI coding agents to externalize intent before writing code, with optional CI enforcement for Python projects. Runs locally from the specleft Python package.
MCP server Claude CodeCodexCursor +2
MCP Server for Spec-Driven Development (SDD) — contract validation, task board, and file reservation for multi-agent AI systems. Runs locally from the forgespec-mcp npm package.