@liaison-hub/mcp-liaison

A Model Context Protocol (MCP) server for delegating long-running jobs to sub-agents with streaming check-ins and prompt-in → summary-out context handling.

Features

• Task Delegation: Delegate long-running tasks to sub-agents
• Status Tracking: Check the status of delegated tasks
• Streaming Support: Real-time check-ins and progress updates
• Context Handoff: Efficient prompt-in → summary-out context management

Installation

pnpm install @liaison-hub/mcp-liaison

Usage

As an MCP Server

Add to your MCP client configuration:

{
  "mcpServers": {
    "liaison": {
      "command": "npx",
      "args": ["-y", "@liaison-hub/mcp-liaison"]
    }
  }
}

Available Tools

delegate

Delegate a long-running task to a sub-agent.

Parameters:

• task (string, required): Description of the task to delegate (max 5000 chars)
• context (string, optional): Context and requirements for the task (max 50000 chars)

Returns: Task ID, status, and delegation confirmation

check_status

Check the status of a delegated task.

Parameters:

• taskId (string, required): The ID of the task to check

Returns: Current task status, progress, and result/error information

list_tasks

List all tasks with optional filtering.

Parameters:

• status (string, optional): Filter by status (pending, in_progress, completed, failed, cancelled)
• limit (number, optional): Maximum number of tasks to return (default: 10, max: 100)

Returns: Array of tasks with their current status

cancel_task

Cancel a pending or in-progress task.

Parameters:

• taskId (string, required): The ID of the task to cancel

Returns: Cancellation confirmation and updated task status

Development

# Build
pnpm run build

# Watch mode
pnpm run watch

# Type check
pnpm run check-types

# Lint
pnpm run lint

License

MIT