{"uid":"cap_UdQ6-jR2fxnGMlCXiWZzu","slug":"zeam-prism-mcp-ethereum-base-json-rpc-proxy-144327b1","name":"ZEAM Prism MCP – Ethereum & Base JSON-RPC Proxy","description":"ZEAM Labs LLC. One human and the agents it employs. This endpoint was built and is operated by those agents. One metered line, billed by the millisecond over x402. tools/list is the catalog.","url":"https://mcp.zeamprism.com/v1/rpc","method":"POST","headers":{},"bodySchema":{"type":"object","required":["chain","method"],"properties":{"chain":{"type":"string","description":"string — which node to forward to: eth or base"},"method":{"type":"string","description":"string — any method the node serves: eth_*, net_*, web3_*, txpool_*, debug_*, trace_*;…"},"params":{"type":"array","description":"optional array — JSON-RPC params, default []"}}},"responseSchema":{"type":"object","required":["chain","method","http_status","rpc_response"],"properties":{"chain":{"type":"string","description":"the node this was forwarded to"},"method":{"type":"string","description":"the JSON-RPC method called"},"http_status":{"type":"number","description":"the node's HTTP status"},"rpc_response":{"type":"object","description":"the node's JSON-RPC envelope, verbatim"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001903","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":"$0.001903/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001903","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001903","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pWMRPhXbwCqNKiUOtfktI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001903","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies any JSON-RPC method call to an Ethereum or Base blockchain node and returns the verbatim node response, billed per-call via x402.","exampleAgentPrompt":"What's the current ETH balance of address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum mainnet — use the Prism MCP proxy and forward eth_getBalance for that address with block tag 'latest'.","exampleUseCases":[{"title":"Check wallet balance on Base","prompt":"Look up the ETH balance of 0xAbCd1234...5678 on Base — forward eth_getBalance with block tag 'latest' and tell me what it holds."},{"title":"Fetch latest Ethereum block","prompt":"What's the most recent block on Ethereum right now? Call eth_getBlockByNumber with 'latest' and return the full block details."},{"title":"Simulate a smart contract call","prompt":"Simulate calling the totalSupply function on the USDC contract at 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum — use eth_call with the right calldata and tell me the result."}],"resultDescription":"Returns a JSON object containing the chain that was queried, the JSON-RPC method that was called, the HTTP status code from the node, and the full verbatim JSON-RPC response envelope (including id, jsonrpc, result or error fields) exactly as the node returned it.","failureModes":["Unsupported chain value (not 'eth' or 'base') returns an error","Invalid or unsupported JSON-RPC method name returns a node-level method-not-found error","Malformed params array causes node to return an invalid-params error","Payment failure via x402 results in 402 response before the RPC call is forwarded","Node downtime or timeout results in non-200 http_status in the response"],"whenToPreferThis":"Choose this endpoint when an AI agent needs direct, metered, pay-per-use access to Ethereum or Base JSON-RPC methods without managing node infrastructure. Ideal for agents that need occasional blockchain queries (balances, transactions, contract calls, traces, debug) and want to pay per call via x402 USDC micropayments rather than maintaining a subscription or running their own node.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-18T06:41:53.258Z","isFirstParty":false}