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We found blockrun-mcp in the official MCP registry. Our automated check passed on Nov 1, 2026 (it confirms the server is published and reachable), but no one at CuratedMCP has reviewed its code, permissions or credentials handling. Check what it can access before you give it keys. Scan your machine free to see every MCP server you have installed.
claude mcp add blockrun -- npx -y @blockrun/mcpAdd --scope user to make it available in every project.
| Environment variable | Required | What it is |
|---|---|---|
| BLOCKRUN_WALLET_KEYsecret | No | 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_KEYsecret | No | 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_KEYsecret | No | 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. |
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