{"uid":"cap_JBAtRX8WZZnGVEalkvxsF","slug":"x402-gateway-mcp-multi-tool-gateway-a2fc7e57","name":"x402-gateway MCP Multi-Tool Gateway","description":"Pay-per-call MCP gateway: 7 tools (markdown, token_price, wallet_portfolio, whale_alerts, cross_chain_balance, changelog_openapi, changelog_git). Per-tool prices on Base via the Coinbase CDP x402 facilitator: markdown=$0.001, token_price=$0.0005, wallet_portfolio=$0.002, whale_alerts=$0.002, cross_chain_balance=$0.002, changelog_openapi=$0.005, changelog_git=$0.005. MCP flat rate $0.001.","url":"https://x402.freeq.one/mcp","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"tool":{"type":"string","description":"Tool name (see GET /tools for the catalog)"}}},"responseSchema":{"type":"json","example":{"result":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6YKBYXveWR1X9T5ZcjSSH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Pay-per-call MCP gateway exposing 7 tools (markdown conversion, token price, wallet portfolio, whale alerts, cross-chain balance, changelog from OpenAPI, changelog from Git) with per-tool micropayments on Base via x402","exampleAgentPrompt":"Check the current price of ETH and also pull the wallet portfolio for address 0xABC...123 across all chains — pay per call via x402 on Base.","exampleUseCases":[{"title":"On-chain whale monitoring for DeFi","prompt":"Show me any large whale transactions happening right now for ETH using the whale_alerts tool — I want to know if any big moves are happening."},{"title":"Wallet portfolio snapshot across chains","prompt":"Fetch the full portfolio for wallet address 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe across all supported chains and tell me what tokens it holds and their current values."},{"title":"Changelog from Git commits","prompt":"Generate a changelog for my repo at github.com/myorg/myproject by reading the latest Git commits — summarize what changed in plain English."}],"resultDescription":"Depending on the tool called, the agent receives: clean LLM-ready markdown (from HTML), a token's current price, a structured wallet portfolio with balances, a list of recent whale alert transactions, cross-chain token balances for an address, or a human-readable changelog derived from an OpenAPI diff or Git history. Each response is returned after a successful x402 USDC micropayment on Base.","failureModes":["Payment failure: insufficient USDC balance or x402 payment rejected — returns 402 Payment Required","Invalid wallet address format — returns error or empty result","Unsupported token symbol — token price tool returns not-found error","Invalid or inaccessible Git/OpenAPI URL — changelog tools return fetch error","Rate limiting or upstream data source unavailability — returns 503 or timeout","Malformed HTML input — markdown tool may return partial or empty output"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to a curated set of crypto/blockchain and document-conversion tools without a subscription, and you want to pay only for what you use via USDC micropayments on Base using the x402 protocol. Ideal for agents that need on-chain data (wallet balances, token prices, whale alerts) combined with utility tools (HTML-to-markdown, changelog generation) in a single MCP-compatible gateway.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:41:40.343Z","isFirstParty":false}