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Beamer MCP Integration for LangChain

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

6 functions 5 read 1 write API key auth
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Connect Beamer 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.

Beamer MCP Config for LangChain

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

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

Run the Gateway Manually

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

Why Use KosmoKrator Here

Scoped tools

Expose only Beamer 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.

Beamer Tools Visible to LangChain

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

MCP toolSource functionTypeDescription
integration__beamer__beamer_list_posts beamer.beamer_list_posts Read List changelog posts and announcements from Beamer. Supports pagination with limit and page, and filtering by status (published, draft, scheduled).
integration__beamer__beamer_get_post beamer.beamer_get_post Read Retrieve a single Beamer changelog post by its ID. Returns the full post including title, content, date, category, and metadata.
integration__beamer__beamer_create_post beamer.beamer_create_post Write Create a new changelog post or announcement in Beamer. Provide a title and content (HTML supported). Optionally set a category and scheduled publication date.
integration__beamer__beamer_list_comments beamer.beamer_list_comments Read List all comments on a specific Beamer post. Returns comment text, author info, and timestamps.
integration__beamer__beamer_get_current_user beamer.beamer_get_current_user Read Get the profile of the currently authenticated Beamer user. Returns name, email, role, and account details. Useful for verifying credentials.
integration__beamer__beamer_list_categories beamer.beamer_list_categories Read List all post categories in your Beamer account. Returns category IDs and names for use when creating or filtering posts.

Related Beamer Pages

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