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Pushover MCP Integration for LangGraph

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

3 functions 2 read 1 write API key auth
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Connect Pushover 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.

Pushover MCP Config for LangGraph

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

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

Run the Gateway Manually

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

Why Use KosmoKrator Here

Scoped tools

Expose only Pushover 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.

Pushover Tools Visible to LangGraph

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

MCP toolSource functionTypeDescription
integration__pushover__pushover_send_message pushover.pushover_send_message Write Send a push notification via Pushover. Supports message, title, priority levels, and optional URL/sound attachments.
integration__pushover__pushover_list_sounds pushover.pushover_list_sounds Read List available notification sounds in Pushover. Use sound names with the send_message tool.
integration__pushover__pushover_get_current_user pushover.pushover_get_current_user Read Validate the Pushover user credentials and retrieve account information.

Related Pushover Pages

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