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Echoes MCP Server

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Echoes MCP Server

CI npm Node License: MIT

Model Context Protocol server for AI integration with the Echoes storytelling platform — Mage image generation and content tools.

Features

  • Mage Image Generation: Queue, monitor, and save AI-generated images via AppSync

  • Word Count: Count words and text statistics in markdown chapter files

  • MCP Resources: Expose Mage status, queue, results, and characters as MCP resources

  • CLI: Full command-line interface for all operations

  • Thin Client: No heavy dependencies — just GraphQL calls to AppSync

Related MCP server: Alethea World History Engine

Installation

npm install -g @echoes-io/mcp-server

Or run directly with npx:

npx @echoes-io/mcp-server --help

Requirements

  • Node.js 22+

  • AppSync API URL and API Key (for Mage tools)

Configuration

Create a .env file in your timeline repo root:

PUBLISHER_API_URL=https://xxx.appsync-api.eu-west-1.amazonaws.com/graphql
PUBLISHER_API_KEY=da2-xxxxxxxxxxxxxxxxxxxx

The timeline is auto-detected from the cwd path (e.g., /path/to/timeline-eros/ → eros).

MCP Client Configuration

{
  "mcpServers": {
    "publisher": {
      "command": "npx",
      "args": ["@echoes-io/mcp-server"]
    }
  }
}

Available Tools

Tool

Description

words-count

Count words and statistics in a markdown file

mage_queue_add

Queue a single image/video generation

mage_queue_add_bulk

Queue multiple generations (one prompt per line)

mage_queue_list

List queued and processing jobs

mage_queue_pause

Pause the queue

mage_queue_resume

Resume the queue

mage_queue_cancel

Cancel a queued job

mage_results_list

List generated results

mage_results_save

Save a result to local filesystem

mage_results_save_all

Save all unsaved results for specified arcs

mage_status

Get overall system status

mage_characters_list

List configured characters with placeholders

Available Resources

URI

Description

publisher://mage/status

Mage system status

publisher://mage/queue

Current queue

publisher://mage/results

Recent results

publisher://mage/characters

Configured characters

CLI Usage

# Word count
echoes words-count ./content/arc/ep01/ch001.md
echoes words-count -d ./content/arc/ep01/ch001.md  # detailed

# Start MCP server
echoes serve

# Mage commands
echoes mage status
echoes mage characters
echoes mage queue list
echoes mage queue add "[01] Full body of [ALE] at café" -t scene -a ale -e 1
echoes mage queue add-bulk "<prompts>" -t scene -a ale -e 1
echoes mage queue pause
echoes mage queue resume
echoes mage queue cancel <job-id>
echoes mage results list
echoes mage results list --unsaved
echoes mage results save <job-id>
echoes mage results save-all --arcs ale cri

Architecture

Agent (Kiro/Claude) → MCP Server (stdio) → AppSync (GraphQL, API Key) → Lambda/DynamoDB
                           ↑
                    .env in timeline repo root

The MCP server is a thin GraphQL client — it doesn't execute any generation logic. It calls the same AppSync mutations/queries used by the Publisher web portal.

Development

# Install dependencies
npm install

# Run tests
npm test

# Run tests with coverage
npm run test:coverage

# Lint
npm run lint

# Type check
npx tsc --noEmit

# Build
npm run build

Tech Stack

Purpose

Tool

Runtime

Node.js 22+

Language

TypeScript

MCP SDK

@modelcontextprotocol/sdk

CLI

Commander

Testing

Vitest

Linting

Biome

License

MIT

Part of the Echoes project — a multi-POV digital storytelling platform.

This server cannot be installed

A
license - permissive license
-
quality - not tested
A
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
4dRelease cycle
59Releases (12mo)
Commit activity

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