# lean-lsp-mcp

> Use this tool when you need to interact with the Lean theorem prover, analyze Lean projects, or automate reasoning tasks. It provides an MCP server that enables agentic interaction via LSP, allowing for seamless integration with Lean projects. Ideal for use cases involving formal verification, proof development, and automated reasoning, it accepts Lean project inputs and outputs analysis results and interactive feedback.

Canonical page: https://skillsregistry.net/skills/project-numina-lean-lsp-mcp  
JSON: https://api.skillsregistry.net/v1/skills/project-numina-lean-lsp-mcp

## Description

MCP server for agentic interaction with the Lean theorem prover via LSP, providing tools for understanding, analyzing, and interacting with Lean projects.

## Trust

- **Trust score (0–1):** 0.37
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-01

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/m0t7a0jmxn)
- **Repository:** <https://github.com/project-numina/lean-lsp-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "project-numina-lean-lsp-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/project-numina-lean-lsp-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/project-numina-lean-lsp-mcp/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt