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Multi-agent MCP Network

Multi-Agent MCP Network

A production-ready Model Context Protocol (MCP) server that exposes multiple specialized AI agents through a unified interface. Each agent is an expert in its domain and they collaborate through an intelligent orchestrator.

Architecture

                    ┌─────────────────────┐
                    │   Client / MCP Host  │
                    └──────────┬──────────┘
                               │
                    ┌──────────▼──────────┐
                    │  REST API (Express)  │
                    │  MCP Server (SDK)   │
                    └──────────┬──────────┘
                               │
                    ┌──────────▼──────────┐
                    │    Orchestrator     │
                    │  ┌─────┴─────┐     │
                    │  │ Router    │     │
                    │  │ Workflow  │     │
                    │  └─────┬─────┘     │
                    └──────────┬──────────┘
                               │
          ┌────────────────────┼────────────────────┐
          ▼        ▼           ▼          ▼         ▼
       ┌────┐  ┌────┐     ┌────┐     ┌────┐    ┌────┐
       │CEO │  │CTO │ ... │Mktg│     │ QA │    │ ...│
       └────┘  └────┘     └────┘     └────┘    └────┘
          │        │          │          │
          └────────┴──────────┴──────────┘
                               │
                    ┌──────────▼──────────┐
                    │  Memory Layer       │
                    │  PostgreSQL + Qdrant│
                    └─────────────────────┘

Related MCP server: MCP Business AI Transformation

Agents

Agent

Role

Expertise

CEO

Business Strategy

Market analysis, product roadmap, pricing, investment, startup advice

CTO

Technology

Software architecture, backend, frontend, databases, AI/ML, DevOps, cloud

Designer

Design

UI/UX, brand identity, logos, color palettes, design systems

Sales

Revenue

Lead generation, cold emails, CRM, sales funnels, outreach

Marketing

Growth

SEO, content, ads, social media, email campaigns, competitor analysis

QA

Quality

Code review, bug finding, testing, security, performance

Tech Stack

  • Runtime: Node.js 20+, TypeScript

  • Framework: Express, FastMCP SDK (@modelcontextprotocol/sdk)

  • Databases: PostgreSQL (pgvector), Qdrant (vector), Redis (cache)

  • AI: OpenAI, Anthropic Claude, Google Gemini

  • Infrastructure: Docker, Docker Compose

Quick Start

Prerequisites

  • Node.js 20+

  • Docker & Docker Compose

  • At least one AI provider API key (OpenAI, Anthropic, or Gemini)

1. Clone & Install

cd multi-agent-mcp
npm install

2. Configure Environment

cp .env.example .env

Edit .env and add your API keys:

OPENAI_API_KEY=sk-...
ANTHROPIC_API_KEY=sk-ant-...
GEMINI_API_KEY=...
API_KEY=sk-mcp-your-secret-key
JWT_SECRET=your-random-secret

3. Start Infrastructure

docker compose up -d postgres qdrant redis

4. Run Database Migrations

npm run db:migrate

5. Start the Server

Development mode:

npm run dev

Production mode:

npm run build
npm start

6. Start MCP Server (for MCP clients)

npm run mcp

API Endpoints

All endpoints require x-api-key header matching your API_KEY env var.

Method

Endpoint

Description

POST

/chat

Send query to orchestrator (auto-routes to agents)

POST

/agent/ceo

Ask CEO directly

POST

/agent/cto

Ask CTO directly

POST

/agent/designer

Ask Designer directly

POST

/agent/sales

Ask Sales directly

POST

/agent/marketing

Ask Marketing directly

POST

/agent/qa

Ask QA directly

POST

/memory

Save or search memory

GET

/projects

List all projects

GET

/projects/:id

Get project details

GET

/tasks

List tasks

GET

/health

Health check

Chat Example

curl -X POST http://localhost:3001/chat \
  -H "Content-Type: application/json" \
  -H "x-api-key: sk-mcp-your-secret-key" \
  -d '{"query": "I want to launch an AI SaaS for small businesses"}'

MCP Tools

When running as an MCP server (via npm run mcp), the following tools are exposed:

Tool

Description

ask_ceo

Business strategy advice

ask_cto

Technical architecture guidance

ask_designer

UI/UX and brand design

ask_sales

Sales and lead generation

ask_marketing

Marketing and growth

ask_qa

Code review and quality

ask_all_agents

Multi-agent collaboration

create_project

Create a new project

save_memory

Store long-term memory

load_memory

Retrieve memories

search_documents

Semantic document search

generate_strategy

Business strategy generation

generate_ui

UI design generation

generate_architecture

System architecture design

generate_marketing_plan

Marketing plan generation

generate_sales_plan

Sales plan generation

review_project

Full project review

Docker Deployment

Start everything with one command:

docker compose up --build

This starts:

  • app - The Multi-Agent MCP server

  • postgres - PostgreSQL with pgvector

  • qdrant - Vector database for embeddings

  • redis - Cache layer

Environment Variables

Variable

Required

Description

API_KEY

Yes

API authentication key

JWT_SECRET

Yes

JWT signing secret

OPENAI_API_KEY

No*

OpenAI API key

ANTHROPIC_API_KEY

No*

Anthropic API key

GEMINI_API_KEY

No*

Google Gemini API key

DATABASE_URL

No

PostgreSQL connection string

QDRANT_URL

No

Qdrant endpoint

REDIS_URL

No

Redis connection string

*At least one AI provider API key is required.

Project Structure

src/
├── agents/          # Agent implementations
│   ├── BaseAgent.ts # Abstract base class
│   ├── CEOAgent.ts
│   ├── CTOAgent.ts
│   ├── DesignerAgent.ts
│   ├── SalesAgent.ts
│   ├── MarketingAgent.ts
│   └── QAAgent.ts
├── orchestrator/    # Routing & workflow
│   ├── Router.ts    # Intent detection, agent selection
│   └── Workflow.ts  # Multi-agent execution, response merging
├── memory/          # Persistence layer
│   ├── postgres.ts  # PostgreSQL client
│   ├── qdrant.ts    # Qdrant vector client
│   ├── logger.ts    # Winston logger
│   └── migrate.ts   # DB migration runner
├── tools/           # MCP server
│   └── server.ts    # FastMCP SDK server with tool registration
├── config/          # Configuration
│   └── index.ts     # Env var loading
├── types/           # TypeScript types
│   └── index.ts     # All type definitions
└── index.ts         # Express REST API entry point

Adding a New Agent

  1. Create src/agents/YourAgent.ts extending BaseAgent

  2. Add your agent role to AgentRole enum in src/types/index.ts

  3. Add a system prompt in SYSTEM_PROMPTS in src/types/index.ts

  4. Register the agent in Router.ts constructor

  5. Add MCP tool in src/tools/server.ts

  6. Add REST endpoint in src/index.ts

  7. Add SQL seed in sql/schema.sql

License

MIT

F
license - not found
-
quality - not tested
C
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