io.flexyield/gateway

up checked 2026-11-11T05:38:34.162Z

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Publisher-provided title

FlexYield — blockchain RPC gateway

Publisher-provided description

RPC gateway for agents: six mainnets, measured failover, a key without signup, pay per call in USDC.

Summary by lookupd

Gives agents blockchain JSON-RPC access across six chains with metered USDC billing, key management, gas and token prices, and ABI/ENS…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http gateway https://flexyield.io/mcp

Codex, remote (streamable-http)

codex mcp add gateway --url https://flexyield.io/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "gateway": {
      "url": "https://flexyield.io/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 35)

Publisher-provided text

get_key Get a FlexYield API key with no signup: public supply, 10,000 weighted units per UTC day, 5 requests/s, every tool. Use it once, when you have no key yet; then
bind_key_start Step 1 of binding the API key you are calling with to a wallet: returns the exact SIWE (EIP-4361) message that wallet must sign. Use it when your key came from
bind_key_complete Step 2 of binding the API key you are calling with to a wallet: pass the wallet's signature over the message from bind_key_start. Use it right after bind_key_st
claim_agent_start Step 1 of claiming an agent by its EVM address for the account you are calling with: returns the exact SIWE message the agent's wallet must sign. Use it when an
claim_agent_complete Step 2 of claiming an agent: verify the wallet's signature over the message from claim_agent_start and equip the agent with its own budgeted API key (default 50
create_api_key Create an additional API key on the account you are calling with (a name, optional monthly unit cap). Use it to give a service or a teammate its own key with it
configure_key Configure one API key of your account by id: monthly_request_cap (a monthly unit budget; omitted = unchanged, 0 = remove the cap), enabled (the list of services
revoke_api_key Revoke one API key of your account by id; calls with that key stop working immediately and the key cannot be restored. Use it when a key leaked or a service is
list_api_keys List the API keys of your account (scope='keys', default) or its agent fleet with wallet claims and budgets (scope='agents'). Use it to find a key id before con
get_billing_status Billing state of your account: tier, whether payments are live, the subscription (plan, interval, price in USD cents, status, period end, cancel-at-period-end),
configure_services Read or change the account-wide service settings: which gateway services (rpc, data, gas, tx_status, ens, prices, contracts, utils) are enabled and an optional
update_account Update your account's preferences: notifications (notify_incidents, time_zone) and/or the insights that tailor the service (use_case, team_size, volume, region,
join_enterprise_wishlist Send FlexYield an enterprise wishlist: what would need to be true for you to run on FlexYield (chains, SLAs, compliance, features, prices; max 1000 chars) plus
join_waitlist Join the FlexYield early-access waitlist with an email and a qualifier (developer, investor or curious). Use it only when a human asked to be kept informed; an
list_plans List FlexYield's public plans: price in integer USD cents, billing interval, monthly included units and burst rate limits, plus the enterprise line and the sign
get_usage Your account's usage in one of three views. view='report': requests, weighted units, errors and latency per key, method and chain over a look-back window (hours
get_statement Your account's statement for one billing period (default: the current one): invoice facts plus usage grouped by API key or agent, chain and method class — reque
manage_tickets Your support tickets with FlexYield. action='create' (subject, message, optional request_id of the failing call, optional category) opens a ticket with the call
manage_feedback Product feedback to FlexYield. action='submit' (kind: 'feature' | 'chain' | 'praise' | 'complaint' | 'other', title, optional body, optional chain) files it and
get_balances Native balance and ERC-20 token balances of an address on one chain (eth_mainnet, base_mainnet, arbitrum_one, optimism_mainnet, polygon_pos, solana_mainnet; tok
get_history Recent asset transfers (sent and received, newest first) of an address on one EVM chain with a data-capable upstream. Use it to answer 'what moved in or out of
get_prices Prices. kind='gas' (chain): EIP-1559 gas recommendations (slow/standard/fast) computed from our pool on an EVM chain, 1 weighted unit. kind='token' (symbols, co
get_tx_status Status of one transaction hash on any supported chain: confirmed, failed, pending or unknown, with confirmations and gas on EVM chains or slot and commitment on
resolve_ens ENS resolution on Ethereum mainnet: pass a name ('vitalik.eth') to get its address, or an address (0x…) to get its reverse-record name, read on-chain through ou
get_abi The verified ABI of a contract (with its name and match level) from Sourcify's open dataset on eth_mainnet, base_mainnet, arbitrum_one, optimism_mainnet or poly
decode_calldata Decode a transaction's calldata against the target contract's verified ABI (Sourcify): the function signature, its selector and the argument values (static type
convert_evm Offline EVM utilities, no chain call: op='checksum' (EIP-55 checksum and validity of input=address), op='convert' (unit conversion wei…gwei…eth: input=value, fr
verify_signature Verify a signature offline: mode='personal' checks an EIP-191 personal_sign signature (message, 65-byte 0x signature, optional expected address); mode='siwe' ch
what_can_i_do The status overview of the API key you are calling with: its door (how it was obtained: public via get_key, wallet-bound, or adopted by a paying owner), its tie
get_quote Quote one JSON-RPC call before making it: the weighted units it costs (standard 1, heavy 2, or not offered) and the USD per 1M units on every lane (a lane = a p

Details

Version: 1.4.0
Transports: streamable-http
Uptime (7 days): 100%
Median latency: 825 ms
First indexed: 2026-11-01T09:03:04.943Z
Last seen in registry: 2026-11-01T09:03:05.100Z
Website: https://flexyield.io/mcp

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