MCP server

Block402 Official

xyz.block402/block402

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Bitcoin + Ethereum RPC for AI agents. 44 tools. x402 payments in USDC on Base mainnet.

Website

At a glance

Type

MCP server

Publisher

block402.xyz (verified by the MCP Registry)

Status

Working at last check

Tools

7

Token cost

About 1,493 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http block402 https://api.block402.xyz/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.block402]
url = "https://api.block402.xyz/mcp"

Gemini CLI

{"mcpServers":{"block402":{"httpUrl":"https://api.block402.xyz/mcp"}}}

Cursor

{"mcpServers":{"block402":{"url":"https://api.block402.xyz/mcp"}}}

VS Code

{"servers":{"block402":{"type":"http","url":"https://api.block402.xyz/mcp"}}}

Antigravity

agy mcp add block402 https://api.block402.xyz/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"block402","server_url":"https://api.block402.xyz/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"block402","server_url":"https://api.block402.xyz/mcp"}

Tools

• bitcoin_getbestblockhash ~197 tokens
  Read getbestblockhash from Bitcoin (bip122:000000000019d6689c085ae165831e93). Costs 0.002500 USDC on Base mainnet (eip155:8453). Preserve the private idempotencyKey for retries.
• bitcoin_getblock ~215 tokens
  Read getblock from Bitcoin (bip122:000000000019d6689c085ae165831e93). Costs 0.005000 USDC on Base mainnet (eip155:8453). Preserve the private idempotencyKey for retries.
• bitcoin_getblockcount ~196 tokens
  Read getblockcount from Bitcoin (bip122:000000000019d6689c085ae165831e93). Costs 0.002500 USDC on Base mainnet (eip155:8453). Preserve the private idempotencyKey for retries.
• bitcoin_getblockhash ~209 tokens
  Read getblockhash from Bitcoin (bip122:000000000019d6689c085ae165831e93). Costs 0.002500 USDC on Base mainnet (eip155:8453). Preserve the private idempotencyKey for retries.
• bitcoin_getblockheader ~215 tokens
  Read getblockheader from Bitcoin (bip122:000000000019d6689c085ae165831e93). Costs 0.002500 USDC on Base mainnet (eip155:8453). Preserve the private idempotencyKey for retries.
• bitcoin_getrawtransaction ~232 tokens
  Read getrawtransaction from Bitcoin (bip122:000000000019d6689c085ae165831e93). Costs 0.005000 USDC on Base mainnet (eip155:8453). Preserve the private idempotencyKey for retries.
• bitcoin_gettxout ~229 tokens
  Read gettxout from Bitcoin (bip122:000000000019d6689c085ae165831e93). Costs 0.005000 USDC on Base mainnet (eip155:8453). Preserve the private idempotencyKey for retries.

Browse

• Payments
• Crypto and blockchains

Related MCP servers

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