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Fathom Analytics MCP Integration for LangChain

Connect Fathom Analytics to LangChain through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

6 functions 6 read 0 write Bearer token auth
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Connect Fathom Analytics to LangChain

Bridge LangChain agents to local KosmoKrator integration tools through MCP or headless CLI calls.

Use the MCP gateway when the agent should discover tools, or wrap kosmo integrations:call for fixed chains. The gateway is local, scoped to this integration, and starts with --write=deny so LangChain can inspect read-capable tools without receiving write access by default.

Fathom Analytics MCP Config for LangChain

Keep the gateway scoped to the integration and operation class needed by the chain.

{
  "mcpServers": {
    "kosmokrator-fathom": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=fathom",
        "--write=deny"
      ]
    }
  }
}

Run the Gateway Manually

kosmokrator mcp:serve --integration=fathom --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only Fathom Analytics instead of a broad multi-service tool list.

Local credentials

Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.

Write policy

Start read-only, then opt into ask or allow for trusted workspaces.

Fathom Analytics Tools Visible to LangChain

LangChain sees stable MCP tool names generated from the Fathom Analytics integration catalog.

MCP toolSource functionTypeDescription
integration__fathom__fathom_list_sites fathom.fathom_list_sites Read List all websites tracked in Fathom Analytics. Returns site IDs, names, and domains you can query for analytics data.
integration__fathom__fathom_get_site fathom.fathom_get_site Read Get details for a specific Fathom Analytics site by ID. Returns site name, domain, tracking code, and other configuration.
integration__fathom__fathom_list_pageviews fathom.fathom_list_pageviews Read List pageviews for a Fathom Analytics site with date filtering and pagination. Returns individual pageview records including URL, referrer, and device info.
integration__fathom__fathom_get_aggregate fathom.fathom_get_aggregate Read Get aggregated analytics data from Fathom. Supports pageviews, visits, visitors, bounce rate, and more. Can group results by page, country, browser, device type, etc.
integration__fathom__fathom_list_events fathom.fathom_list_events Read List custom events tracked in Fathom Analytics for a site. Returns event names, event IDs, and configuration details.
integration__fathom__fathom_get_current_user fathom.fathom_get_current_user Read Get the currently authenticated Fathom user profile. Returns user name, email, and account details. Useful for verifying API connectivity.

Related Fathom Analytics Pages

Fathom Analytics CLIUse direct JSON commands instead of MCP discovery. Fathom Analytics MCPFull gateway reference and MCP tool names. KosmoKrator for LangChainClient-level gateway setup.