BlockRun MCP

An open-source Model Context Protocol server providing 19 tools for AI agents, including web search, deep research, prediction market data, crypto on-chain queries, and live Polymarket trading. It supports pay-per-call micropayments via x402 using either a self-custody wallet or a BlockRun API key with account credit.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by BlockRunAI

You need:get a BlockRun API key at user.blockrun.ai

Vendor documentation

What you can do with it

Perform live web and X/Twitter search for AI agents
Query on-chain data across 40 blockchain networks
Read Polymarket odds and place real USDC-settled bets
Generate images and videos using integrated LLMs

Source and maintenance

Community listingRegistry 0.55.0

mcp-registry: io.github.BlockRunAI/blockrun-mcp@0.55.0 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@blockrun/mcp 0.55.0

npm

@blockrun/mcp package definition

{
  "version": "0.55.0",
  "transport": "stdio",
  "identifier": "@blockrun/mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "BLOCKRUN_WALLET_KEY",
      "format": "string",
      "description": "Optional: EVM private key (0x-prefixed hex) for USDC payments on Base; also the Polymarket signer. If not set, a wallet is auto-generated."
    },
    {
      "name": "SOLANA_WALLET_KEY",
      "format": "string",
      "description": "Optional: Solana private key (bs58) for USDC payments on Solana. Setting it selects the Solana chain. If not set, a wallet is auto-generated."
    },
    {
      "name": "BLOCKRUN_API_KEY",
      "format": "string",
      "description": "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."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "blockrun-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@blockrun/mcp@0.55.0"
      ],
      "env": {
        "BLOCKRUN_WALLET_KEY": "<YOUR_BLOCKRUN_WALLET_KEY>",
        "SOLANA_WALLET_KEY": "<YOUR_SOLANA_WALLET_KEY>",
        "BLOCKRUN_API_KEY": "<YOUR_BLOCKRUN_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "blockrun-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@blockrun/mcp@0.55.0"
      ],
      "env": {
        "BLOCKRUN_WALLET_KEY": "<YOUR_BLOCKRUN_WALLET_KEY>",
        "SOLANA_WALLET_KEY": "<YOUR_SOLANA_WALLET_KEY>",
        "BLOCKRUN_API_KEY": "<YOUR_BLOCKRUN_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "blockrun-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@blockrun/mcp@0.55.0"
      ],
      "env": {
        "BLOCKRUN_WALLET_KEY": "<YOUR_BLOCKRUN_WALLET_KEY>",
        "SOLANA_WALLET_KEY": "<YOUR_SOLANA_WALLET_KEY>",
        "BLOCKRUN_API_KEY": "<YOUR_BLOCKRUN_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "blockrun-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@blockrun/mcp@0.55.0"
      ],
      "env": {
        "BLOCKRUN_WALLET_KEY": "<YOUR_BLOCKRUN_WALLET_KEY>",
        "SOLANA_WALLET_KEY": "<YOUR_SOLANA_WALLET_KEY>",
        "BLOCKRUN_API_KEY": "<YOUR_BLOCKRUN_API_KEY>"
      }
    }
  }
}

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