KosmoKrator

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Raindrop.io MCP Integration for LangGraph

Connect Raindrop.io to LangGraph through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

7 functions 5 read 2 write Bearer token auth
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Connect Raindrop.io to LangGraph

Run KosmoKrator integration calls from LangGraph nodes while preserving local credentials and permissions.

Use a graph node that calls the KosmoKrator CLI for deterministic steps or an MCP client for dynamic tool selection. The gateway is local, scoped to this integration, and starts with --write=deny so LangGraph can inspect read-capable tools without receiving write access by default.

Raindrop.io MCP Config for LangGraph

Headless CLI calls fit repeatable graph edges; MCP fits exploratory agent nodes.

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

Run the Gateway Manually

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

Why Use KosmoKrator Here

Scoped tools

Expose only Raindrop.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.

Raindrop.io Tools Visible to LangGraph

LangGraph sees stable MCP tool names generated from the Raindrop.io integration catalog.

MCP toolSource functionTypeDescription
integration__raindrop__raindrop_list_bookmarks raindrop.raindrop_list_bookmarks Read List bookmarks from Raindrop.io. Optionally filter by collection or search query. Returns paginated results with bookmark details.
integration__raindrop__raindrop_get_bookmark raindrop.raindrop_get_bookmark Read Get full details of a single bookmark by its ID, including title, URL, tags, excerpt, and metadata.
integration__raindrop__raindrop_create_bookmark raindrop.raindrop_create_bookmark Write Save a new bookmark to Raindrop.io. Provide a URL and optionally set the title, tags, collection, and description.
integration__raindrop__raindrop_update_bookmark raindrop.raindrop_update_bookmark Write Update an existing bookmark in Raindrop.io. Provide the bookmark ID and the fields to change (title, URL, tags, collection, description, etc.).
integration__raindrop__raindrop_list_collections raindrop.raindrop_list_collections Read List all bookmark collections (folders) from Raindrop.io. Returns collection names, IDs, and counts.
integration__raindrop__raindrop_get_collection raindrop.raindrop_get_collection Read Get details of a specific collection by ID, including its name, color, icon, and bookmark count.
integration__raindrop__raindrop_get_current_user raindrop.raindrop_get_current_user Read Get the authenticated Raindrop.io user's profile — name, email, subscription plan, and storage usage.

Related Raindrop.io Pages

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