"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.
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.
353 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.
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
