"Exploration of Free Cursor Thinking Concept" matching MCP connectors:

ExtcordA

io.extcord

Agent utilities: read big pages without filling context, exact math, dates, parsing. Free.

Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.

Second opinion before an irreversible agent action; signed proofs, free verify, public ledger.

Generate a Flutter app from a JSON spec free; pay only for the compiled APK (USDC on Base).

Read-only Animica chain data, free AI inference, verifiable quantum randomness, and mining stats.

Remote MCP server for Mythex, the AI app builder. Lets Claude, Cursor or Codex create projects in a cloud sandbox, edit files, run commands, preview, attach a database, and publish to a public URL. OAuth sign-in; tool calls need a Mythex Pro account.