How do I install SpecLeft?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does SpecLeft need an API key?

No required environment variable is listed on this record.

What transport does SpecLeft use?

SpecLeft runs locally over stdio.

When was SpecLeft last checked?

Last checked 2026-11-09. Python intent tracing MCP: map specs to pytest tests, monitor implementation progress, offline-only.

SpecLeft MCP server

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Add to Cursor Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Local command

uvx specleft==0.4.0

Claude Code has no install link for a local command. Copy the command below and run it in a terminal.

shClaude Code

1claude mcp add io.github.specleft-specleft -- uvx specleft==0.4.0

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "io.github.specleft-specleft": {4      "command": "uvx",5      "args": [6        "specleft==0.4.0"7      ]8    }9  }10}

claude_desktop_config.json

Local · pypiPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Local

Transport: stdio
Version: 0.4.0
Last checked

From the publisher

Documentation

SpecLeft: Spec Driven Workflow for Agents

SpecLeft keeps feature intent and test coverage aligned by turning plans into version-controlled specs, then generating pytest test skeletons from those specs.

Add this server

Host a copy with our keys and logs.

Server facts

Documentation

SpecLeft: Spec Driven Workflow for Agents

Quick Start

Setup (run once per repo)

Path 1: Add one feature (and generate a test skeleton)

Path 2: Bulk-generate feature specs from a PRD

When to Use SpecLeft

What It Is (and Is Not)

It is

It is not

Why Not Conventional BDD

AI Agents

MCP Server Setup

Docs

License

SpecLeft

Tools

Questions

How do I install SpecLeft?

Does SpecLeft need an API key?

What transport does SpecLeft use?

When was SpecLeft last checked?