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blockrun-mcp

Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.

MCP · local★ 392updated 26 Oct 2026by io.github.BlockRunAI
run in your terminal
claude mcp add blockrun-mcp -- npx -y @blockrun/mcp

How to start

  1. Run the command in your terminal, in the project where you want it.
  2. Sign in if asked the first time Claude connects.
  3. Check it: run /mcp in Claude Code and look for it in the list.

What it needs

  • BLOCKRUN_WALLET_KEYOptional. Secret: keep it out of your repo. Optional: EVM private key (0x-prefixed hex) for USDC payments on Base; also the Polymarket signer. If not set, a wallet is auto-generated.
  • SOLANA_WALLET_KEYOptional. Secret: keep it out of your repo. Optional: Solana private key (bs58) for USDC payments on Solana. Setting it selects the Solana chain. If not set, a wallet is auto-generated.
  • BLOCKRUN_API_KEYOptional. Secret: keep it out of your repo. Optional: BlockRun account API key; bills your prepaid balance instead of a wallet (no per-call network fee). Takes priority over a wallet when set.

Environment variables as listed in the server's MCP Registry entry.