x402 Toolbox for Claude.ai

io.github.swiftbotlab/x402-toolbox

62 pay-per-call web, DNS, EVM and data tools. x402 USDC on Base, $0.003-$0.02 per call, no signup.

client:Claude.ai transport:streamable-http tools:62

Install x402 Toolbox in Claude.ai

Settings → Connectors → Add custom connector

https://x402-toolbox.swiftbotlab.workers.dev/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

dns_lookup
dns_mx
dns_reverse
dns_spf
dns_dmarc
email_validate
email_security
domain_rdap
web_extract
web_metadata
web_links
web_headers
web_robots
web_sitemap
html_extract
url_parse
evm_address
evm_contract
evm_selector
evm_selector_lookup
abi_encode
abi_decode
calldata_decode
evm_tx

All 62 tools →

x402 Toolbox in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

x402 Toolbox MCP server