KosmoKrator

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Builder.io MCP Integration for Claude Agent SDK

Connect Builder.io to Claude Agent SDK through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

7 functions 6 read 1 write API key auth
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Connect Builder.io to Claude Agent SDK

Give Claude Agent SDK workflows access to KosmoKrator integrations through a local MCP server.

Add a KosmoKrator stdio MCP server to the Claude Agent SDK options. The gateway is local, scoped to this integration, and starts with --write=deny so Claude Agent SDK can inspect read-capable tools without receiving write access by default.

Builder.io MCP Config for Claude Agent SDK

Use a narrow integration list so the agent does not load unrelated tools.

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

Run the Gateway Manually

kosmokrator mcp:serve --integration=builder-io --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only Builder.io 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.

Builder.io Tools Visible to Claude Agent SDK

Claude Agent SDK sees stable MCP tool names generated from the Builder.io integration catalog.

MCP toolSource functionTypeDescription
integration__builder_io__builder_io_list_models builder-io.builder_io_list_models Read List all models in the Builder.io space. Optionally control pagination with limit and offset. Returns model IDs, names, kinds, and metadata.
integration__builder_io__builder_io_get_model builder-io.builder_io_get_model Read Get detailed information about a specific Builder.io model by its ID or name. Returns the model definition including fields, kind, and metadata.
integration__builder_io__builder_io_list_content builder-io.builder_io_list_content Read List content entries for a specific Builder.io model. Optionally control pagination with limit and offset, or filter with a query string. Returns entry IDs, names, and data.
integration__builder_io__builder_io_get_content builder-io.builder_io_get_content Read Get detailed information about a specific Builder.io content entry by its ID. Returns the full entry data, model reference, and timestamps.
integration__builder_io__builder_io_create_content builder-io.builder_io_create_content Write Create a new content entry in Builder.io for a given model. Provide the model name and a JSON object with the content data. The entry is created as a draft by default.
integration__builder_io__builder_io_list_symbols builder-io.builder_io_list_symbols Read List all symbols (reusable components) in the Builder.io space. Optionally control pagination with limit and offset. Returns symbol IDs, names, and metadata.
integration__builder_io__builder_io_get_current_user builder-io.builder_io_get_current_user Read Get information about the currently authenticated Builder.io user. Returns the user's name, email, and account details.

Related Builder.io Pages

Builder.io CLIUse direct JSON commands instead of MCP discovery. Builder.io MCPFull gateway reference and MCP tool names. KosmoKrator for Claude Agent SDKClient-level gateway setup.