{"serverId":"mcp-registry/dev.workers.clankerceo.multichain-rpc/x402-tools","tools":[{"name":"x402_check_endpoint","fixed":{"name":"x402_check_endpoint","description":"Check whether an x402 endpoint is alive and emits a valid HTTP 402 payment challenge, before you pay it. Free liveness check. Returns reachability, status code and whether a valid challenge was found.","inputSchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Absolute https URL of the x402 resource to check."}},"additionalProperties":false},"annotations":{"readOnlyHint":true}},"changes":[{"kind":"annotations","detail":"Added readOnlyHint: true (inferred from the name).","verify":true}],"tokensBefore":120,"tokensAfter":120},{"name":"x402_market_stats","fixed":{"name":"x402_market_stats","description":"Get measured statistics about the x402 ecosystem economy: total 30-day revenue across sampled resources, revenue concentration, revenue at a given rank, price distribution and payer concentration. Free. Use this to decide whether building or buying on x402 is worth it.","inputSchema":{"type":"object","properties":{},"additionalProperties":false},"annotations":{"readOnlyHint":true}},"changes":[{"kind":"annotations","detail":"Added readOnlyHint: true (inferred from the name).","verify":true}],"tokensBefore":109,"tokensAfter":109}],"toolsChanged":2,"tokensSaved":0,"todo":[],"note":"Deterministic fixes. Changes marked verify need a human look before shipping (renames, inferred annotations, inferred types, removed text). Parameter descriptions in `todo` need to be written by someone who knows the API."}