lean4-lsp-mcp

{
  "agent_id": "lean4_lsp_mcp",
  "name": "lean4-lsp-mcp",
  "url": "https://github.com/r-irbe/lean4-lsp-mcp",
  "logo": "https://github.com/r-irbe.png?size=200",
  "niche": null,
  "category": null,
  "short_summary": "Open-source MCP server that gives AI coding agents Lean 4 formal verification tools, including proof-state inspection, symbol navigation, module dependency ana…",
  "task_performed": "unclear",
  "inputs_accepted": [],
  "outputs_produced": [],
  "integrations_available": [],
  "protocols_or_interfaces": [
    "MCP"
  ],
  "industry_fit": [],
  "autonomy_level": "unclear",
  "human_approval_needed": "unclear",
  "pricing_model": "unclear",
  "price": {
    "observed": false,
    "billing": "not_found",
    "currency": null,
    "lowest_monthly_usd": null,
    "monthly_usd": null,
    "headline": "No public price found",
    "summary": "No public pricing was observed on the homepage or in a pricing page.",
    "confidence": "medium",
    "source_url": "https://github.com/r-irbe/lean4-lsp-mcp",
    "checked_at": "2026-11-02T01:29:57.460Z",
    "source_kind": "vendor",
    "amount": null,
    "display": null,
    "plans": [],
    "source": "render+llm"
  },
  "trust_or_rating_signal": [],
  "evidence_quality": "unclear",
  "entity_type": "mcp_server",
  "regulated_data_suitability": "unclear",
  "evidence_urls": [
    "https://github.com/r-irbe/lean4-lsp-mcp"
  ],
  "last_checked": "2026-11-02",
  "profile_checked": null,
  "price_checked": "2026-11-02",
  "how_to_connect": {
    "website": "https://github.com/r-irbe/lean4-lsp-mcp",
    "docs": null,
    "mcp": null,
    "a2a": null,
    "api": null,
    "protocols": [
      "MCP"
    ],
    "install": "npx lean4-lsp-mcp # or npm install -g lean4-lsp-mcp lean-lsp-mcp From a clone: git",
    "repository": "https://github.com/r-irbe/lean4-lsp-mcp",
    "note": "Speaks MCP but publishes no endpoint we could verify — check the docs/website."
  },
  "deployment": {
    "model": "self_hosted",
    "both_offered": false,
    "hosted_endpoint": null,
    "install": "npx lean4-lsp-mcp # or npm install -g lean4-lsp-mcp lean-lsp-mcp From a clone: git",
    "note": "You run it yourself: install from the published command/package; no vendor endpoint found.",
    "evidence": {
      "sources": [
        "page_text:install",
        "page_text:licence"
      ],
      "excerpt": "NB! Still pre-alpha! Install From npm (published bin lean-lsp-mcp / lean4-lsp-mcp ): npx lean4-lsp-mcp # or npm install -g lean4-lsp-mcp lean-lsp-mcp From a clone: git cl",
      "url": "https://github.com/r-irbe/lean4-lsp-mcp",
      "observed_day": "2026-11-03",
      "age_days": 2,
      "hosted_evidence": null,
      "rule": "deploy-v1"
    }
  },
  "licence": {
    "name": "APACHE",
    "note": "Named licence as published; applies to the code, not to where it runs.",
    "evidence": "page text: \"xt-protocol typescript Resources Readme Apache-2.0 license Activity Stars 1 star\"",
    "observed_day": "2026-11-03",
    "age_days": 2
  },
  "evidence_checks": {
    "price": {
      "source_url": "https://github.com/pricing",
      "last_observed_day": "2026-09-21",
      "age_days": 45,
      "verified_day": "2026-09-21",
      "note": "verified = the page-text gate ran for that scan day (day-before/day-of text check)"
    },
    "agent_card": {
      "status": "unknown",
      "note": "no Agent Card URL recorded for this listing"
    },
    "endpoint": {
      "status": "unknown",
      "note": "endpoint not yet checked"
    }
  },
  "product_group": null,
  "liveness": {
    "probed": true,
    "alive": true,
    "endpoint_kind": "site",
    "latency_ms": 424,
    "uptime_7d": 1,
    "checked_at": "2026-11-04T02:39:34.047Z",
    "consecutive_failures": 0,
    "status": "alive"
  },
  "price_extras": {
    "free_tier": null,
    "unit_cost": null
  },
  "reported_success": null,
  "feedback": "If you actually use this provider, call report_outcome with the result. Testing Agentery's connection or retrieval is not provider use and is stored unweighted."
}