x402 Toolbox for Claude.ai

io.github.mayer-code/x402-toolbox

Free, read-only MCP subset of x402 Toolbox's cheap data endpoints, free via MCP.

client:Claude.ai transport:streamable-http tools:14

Install x402 Toolbox in Claude.ai

Settings → Connectors → Add custom connector

https://lab.paidapis.net/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

get_market_snapshot
get_normalized_gas
get_gas_comparator
get_large_transfers
enrich_address
get_gas_metrics
get_reliable_eth_price
get_wiki_summary
verify_tx
verify_tx_multi_source
get_attestation_log
get_freshness_priced_data
get_gas_history_export
get_reputation

x402 Toolbox in other clients

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

x402 Toolbox MCP server