"Exploration of Free Cursor Thinking Concept" matching MCP connectors:
Matching Connector Tools:
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
See what actually settles on x402: wash-adjusted volume, payTo checks. Free, no key, no signup.
Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.
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.
A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.
Prove your AI work existed first: timestamped, Bitcoin-anchored. Free, no account.
Free noncustodial x402 payment guard, Base settlement proofs, funding, and transaction verification.
Free Web3 icons, illustrations, animated SVGs, and Lottie JSON by Yuhitsuro. Read-only.
Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.
Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.
DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth)
Vealth work board: find real work, claim free with your wallet, prove it. Free onchain anchoring.
Free catalog and 2,048-character secret-scan preview for Fabler's x402 agent tools on Base.
Verify on-chain lifecycle state and provenance of NFC-tagged physical products.
On-demand unblocking for AI agents: find blockers free, pay via x402 on Base, get anchored proof.
On-chain DEX aggregator quotes, phantom-liquidity scanning, and live proof-of-solvency across Base, Ethereum, Optimism, Arbitrum, and Robinhood Chain. Keyless, no auth.
Timestamp and verify evidence on-chain. Prove what your agent saw and when; verifying is free.
Agent MCP for DeFi: cross-chain LINQ fan-out, AMM quotes/swaps, bridge, AI. Solana+EVM. Free+x402.