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Flow MCP Server

@lmcmz

Repository

Basic information

Category

Other

Transports

stdio

Author

lmcmz

About Flow MCP Server

Model Context Protocol (MCP) server for Flow blockchain with direct RPC communication

#flow#mcp#blockchain#rpc#server

Flow MCP Server config

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

{
  "mcpServers": {
    "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?

A Model Context Protocol (MCP) server that enables AI assistants to access Flow blockchain data and perform operations through a standardized interface.

How to use Flow MCP Server?

Run npx -y @outblock/flow-mcp-server --stdio for AI assistant integration, or npx -y @outblock/flow-mcp-server --port 3000 for HTTP mode. Configure via environment variables like FLOW_NETWORK and FLOW_ACCESS_NODE. Integrate with Claude by adding it to tools configuration as a command.

Key features of Flow MCP Server

  • Balance checking for Flow and fungible tokens
  • Domain resolution for .find and .fn domains
  • Script execution for reading blockchain data
  • Transaction submission and monitoring
  • Account information retrieval
  • Flow configuration via environment variables

Use cases of Flow MCP Server

  • AI assistant checking a user’s Flow balance
  • Resolving a .find or .fn domain to an address
  • Executing a Cadence script to read on-chain data
  • Sending a transaction and monitoring its status

Frequently asked questions

1

How do I run the server?

Use `npx -y @outblock/flow-mcp-server --stdio` for stdio mode, or add `--port 3000` for HTTP mode. You can also specify the network with `--network testnet`.

2

What networks are supported?

You can connect to mainnet, testnet, or emulator by setting the `FLOW_NETWORK` environment variable or using the `--network` flag.

3

How do I configure the server?

Set environment variables: `PORT`, `FLOW_NETWORK`, `FLOW_ACCESS_NODE`, and `LOG_LEVEL`. If no port is set, the server runs in stdio mode.

4

What tools are available?

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

5

How do I integrate with an AI assistant like Claude?

Add a tool configuration entry with `"command": "npx -y @outblock/flow-mcp-server --stdio"` to your Claude tools JSON.

Comments

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