MCP Chat by Pipedream

MCP Chat is a free, open-source chat app built using the AI SDK, and Pipedream MCP, which provides access to nearly 3,000 APIs and more than 10,000 tools. Use this as a reference to build powerful AI chat applications.

Features · Model Providers · Prerequisites · Deploy Your Own · Running Locally

Check out the app in production at chat.pipedream.com and refer to Pipedream's developer docs for the most up to date information.

Features

• MCP integrations: Connect to thousands of APIs through Pipedream's MCP server with built-in auth
• Automatic tool discovery: Execute tool calls across different APIs via chat
• Uses the AI SDK: Unified API for generating text, structured objects, and tool calls with LLMs
• Flexible LLM and framework support: Works with any LLM provider or framework
• Data persistence: Uses Neon Serverless Postgres for saving chat history and user data and Auth.js for simple and secure sign-in

Model Providers

The demo app currently uses models from Anthropic, OpenAI, and Gemini, but the AI SDK supports many more.

Prerequisites

To run or deploy this app, you'll need:

1. A Pipedream account
2. A Pipedream project. Accounts connected via MCP will be stored here.
3. Pipedream OAuth credentials
4. An OpenAI API key

Deploy Your Own

One-click deploy this app to Vercel:

Running locally

1. Copy the environment file and add your credentials:

cp .env.example .env  # Edit with your values

Note that for easier development, chat persistence and application sign-in are disabled by default in the .env.example file:

# In your .env file
DISABLE_AUTH=true
DISABLE_PERSISTENCE=true

2. Install dependencies and start the app:

We recommend using asdf to manage core deps like Node. Install it and run

asdf install

Then:

pnpm install
pnpm dev

Your local app should now be running on http://localhost:3000 🎉

Enabling chat persistence

1. Run all required local services:

docker compose up -d

2. Run migrations:

POSTGRES_URL=postgresql://postgres@localhost:5432/postgres pnpm db:migrate