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Flow MCP Server

@MCP-Mirror

Repository

Basic information

Category

Other

Transports

stdio

Author

MCP-Mirror

About Flow MCP Server

Mirror of

#flow-mcp-server#blockchain#ai-assistant

Flow MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "lmcmz_flow-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@outblock/flow-mcp-server",
        "--stdio"
      ]
    }
  }
}

Flow MCP Server tools

7

Get Flow balance for an address

Get fungible token balance

Get account information

Resolve a .find or .fn domain to an address

Execute a Cadence script

Send a transaction to the blockchain

Get transaction details by ID

Overview

What is Flow MCP Server?

Flow MCP Server is a Model Context Protocol (MCP) server that enables AI assistants to interact with the Flow blockchain. It provides a standardized interface for reading blockchain data, checking balances, resolving domains, executing scripts, and submitting transactions.

How to use Flow MCP Server?

Install and run it via npx -y @outblock/flow-mcp-server --stdio for AI assistant integration, or with --port 3000 to run as an HTTP server. Configure the Flow network and access node using environment variables like FLOW_NETWORK and FLOW_ACCESS_NODE. For development, clone the repository, run npm install, npm run build, and npm start.

Key features of Flow MCP Server

  • Check Flow and fungible token balances
  • Resolve .find and .fn domain names
  • Execute Cadence scripts on the blockchain
  • Send and monitor transactions
  • Retrieve account information
  • Configurable via environment variables

Use cases of Flow MCP Server

  • An AI assistant checking a user’s FLOW balance
  • Resolving a blockchain domain to an address
  • Reading smart contract data with a Cadence script
  • Submitting a transaction and tracking its status
  • Fetching account details for wallet verification

Frequently asked questions

1

How do I start the server?

Run `npx -y @outblock/flow-mcp-server --stdio` for stdio mode (for AI assistant integration) or `npx -y @outblock/flow-mcp-server --port 3000` to run as an HTTP server.

2

How do I integrate with Claude or other AI assistants?

Add a tool configuration entry in your assistant’s settings with the command `npx -y @outblock/flow-mcp-server --stdio`.

3

What Flow networks are supported?

Mainnet, testnet, and emulator. Specify the network via the `FLOW_NETWORK` environment variable or the `--network` CLI flag.

4

What tools are available?

Tools include `get_balance`, `get_token_balance`, `get_account`, `resolve_domain`, `execute_script`, `send_transaction`, and `get_transaction`.

5

Can I run the server in HTTP mode?

Yes, use the `--port` flag (e.g., `--port 3000`). HTTP endpoints are available at `/sse`, `/messages`, `/health`, and `/`.

Comments

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