lean-lsp-mcp: Lean Theorem Prover MCP

by oOo0oOo · MCP Server · ★ 545

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install lean-lsp-mcp

claude mcp add lean-lsp uvx lean-lsp-mcp
claude mcp add lean-lsp -s project uvx lean-lsp-mcp

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 70/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

lean4lspmcp

Quick Facts

Stars545
Forks84
LanguagePython
CategoryMCP Server
LicenseMIT
Quality Score70/100
Open Issues1
Last Updated2026-11-03
Created2025-03-29
Platformsmcp, python
Est. Tokens~18k

About lean-lsp-mcp

lean-lsp-mcp Lean Theorem Prover MCP MCP server that allows agentic interaction with the Lean theorem prover via the Language Server Protocol using leanclient. This server provides a range of tools for LLM agents to understand, analyze and interact with Lean projects. Key Features Rich Lean Interaction: Access diagnostics, goal states, term information, hover documentation and more.

Compatible Skills

These tools work well together with lean-lsp-mcp for enhanced workflows:

  • sf-skills — semantic(0.17)+complementary+same_lang+similar_pop+shared_platform (51%)
  • claude-code-lsps — semantic(0.47)+complementary+rare_topics+similar_pop (51%)
  • cclsp — semantic(0.68)+rare_topics+similar_pop+shared_platform (48%)
  • davinci-resolve-mcp — semantic(0.37)+same_lang+similar_pop+shared_platform (48%)
  • MCPTest — semantic(0.49)+same_lang+similar_pop+shared_platform (47%)

lean-lsp-mcp alternative? Top 6 similar tools

Looking for a lean-lsp-mcp alternative? If you're comparing lean-lsp-mcp with other mcp server tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

  • cclsp by ktnyt · ⭐ 675

    Claude Code LSP: enhance your Claude Code experience with non-IDE dependent LSP integration.

  • agnix by agent-sh · ⭐ 472

    The missing linter and lsp for AI coding assistants. Validate CLAUDE.md, AGENTS.md, SKILL.md, hooks, MCP. Plug

  • jacobian by morluto · ⭐ 358

    Composable mathematics tools for agents

  • agent-lsp by blackwell-systems · ⭐ 173

    MCP server that orchestrates language servers into agent-native workflows. 65 tools, 30 CI-verified languages.

  • my-pi by spences10 · ⭐ 138

    My Pi coding agent setup: secret redaction, LSP, searchable context, recall, telemetry, observability, and tea

  • resimind by 1105216375-alt · ⭐ 110

    Neuro-symbolic agents with verified memory. MCP math tools, an algebra repair Skill, and an open challenge. Ve

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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