"Exploring Gemini Services or Tools That Don’t Require an API Key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.
Swap, bridge and get gas on 6 EVM chains. Each plan states its outcome before you sign. No API key.
Build any crypto agent: x402, ERC-8004, wallets. Does a server take your key? Hosted? Maintained?
Best-route swap quotes, token search and USD prices across EVM chains. Read-only, never trades.
353 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.
Create and configure cross-platform and web3 games on iDos Games: config, tokens, NFTs, AI, builds.
Gasless MEV-protected swaps + cross-chain quotes across EVM chains — incl. tokenized stocks.
NFT market data on 12 networks: floors, sales, trader profit, mints. Non-custodial trades.
Pay-per-call MCP tools for agents: 20 free calls a day, then pay per call with x402 (USDC on Base mainnet) or a prepaid spend key. 30 tools — text/data utilities, x402/EVM-native tools (decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 hashing, ABI encode/decode, Merkle-proof verify, keccak256, EIP-55 address checks) and independent providers' tools priced from $0.001. Signed delivery receipts. No sign-up.
Token risk checks on BSC, ETH, Base and Arc: trades the token on a fork. Paid in USDC via x402.
Agent MCP: 65 tools — 5-chain verification, risk, prediction & crypto trends, 17 web tools.
Pay-and-anchor a hash or AI decision log on Cardano (CIP-0190). Non-custodial. MCP-native. Mainnet.
Timestamped proof that AI outputs and data existed, anchored on the Privi blockchain.
Crypto news, perps, market pulse, price history and token checks for AI agents. USDC per call.
Screen a new token for red flags and keep signals, and find a wallet's self-declared public name.
Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.
Receipts-verified reviews of x402 services and paid APIs, before your agent pays.
Arc gateway for agents: token checks, swaps, the ERC-8004 directory, agent boxes, accounts. x402
