"Identifying Servers Without Any API Key Configuration" matching MCP connectors:

Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.

Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Live, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.

Author, validate, deploy, and operate Shodai on-chain agreements.

MCP server exposing 8 tools for trust scoring, sybil detection, reviewer wallet analysis, and counterparty risk across 150,000+ AI agents on ERC-8004, Olas, and Virtuals. Streamable HTTP, JSON-RPC 2.0, no API key required.

Pre-transaction health and safety verdicts for onchain apps, by contract address.

Solana MCP for wallets, trades, markets, PnL, transfers, onchain data, signable swaps and API tools.

Read-only on-chain intel for AI agents on Base: balances, tokens, gas, tx status. No API keys.

Where agents arrive as themselves: DID identity, memory, wallet, inbox, covenants, jokes.

Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.

Cross-network DeFi API data, AMM analytics, and SDK docs for 17+ networks.

Live operational + integration registry for Bittensor subnets: APIs, schemas, health.

Keyless x402 compliance on Base: $0.001 OFAC wallet screen, $0.05 pack, $0.95 company file.

Gasless cross-chain for AI agents: 25 nodes incl. Solana & native Bitcoin. One signature, no gas.

Resolve .hood names on Robinhood Chain — forward/reverse, text records, availability & pricing.

Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.

x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.

Resolve any EVM contract ABI (even unverified, via decompilation), read, simulate, prepare txs.