Prover
Lean 4 MCP server: compile, prove theorems, and formalize math with Mathlib.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Manual Client & Custom JSON ConfigExpand JSON ▾
Install Config Generator
Choose your client
💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)
Capabilities & Tool Schemas (3)
Inspect callable tools, capabilities, and parameters exposed to AI agents by Prover.
lean4_buildCompile Lean 4 source code in a Mathlib-enabled sandbox. Code is sent to external cloud services for compilation; if proving, also for AI processing.
lean4_prove_theoremsAutomatically prove Lean 4 theorems that contain `sorry`. Code is sent to external cloud services for compilation and AI proving.
lean4_get_job_statusPoll for the status and result of any ax-prover job.
Documentation Overview
Axiomatic Prover — MCP Server
Lean 4 MCP server: compile and prove theorems with Mathlib.
Connect
Add to your MCP client (e.g. Claude Desktop claude_desktop_config.json):
Authentication uses OAuth 2.1 via GitHub — your MCP client handles the flow automatically.
Tools
Submit (async — returns a job_id)
| Tool | Description |
|---|---|
lean4_build | Compile Lean 4 source code in a Mathlib-enabled sandbox. Code is sent to external cloud services for compilation; if proving, also for AI processing. |
lean4_prove_theorems | Automatically prove Lean 4 theorems that contain sorry. Code is sent to external cloud services for compilation and AI proving. |
Poll
| Tool | Description |
|---|---|
lean4_get_job_status | Poll for the status and result of any ax-prover job. |
All submit tools are asynchronous — they return a job_id immediately.
Poll with lean4_get_job_status(job_id) until status is completed or failed.
Links
Related MCP Servers
Frequently Asked Questions about Prover
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CategoryCode Execution
5/5 checks healthy over the last 7h
48Quality signal: Fair · 48/100How this signal is calculated ▾
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Documentation & tools24/30
Adoption & activity2/15
Community engagement0/10
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