Koskamo

Blockstream Esplora MCP

A community MCP server that provides tools to explore Bitcoin blockchain data via the Blockstream.info Esplora API. It supports querying block heights, transaction details, address summaries, mempool status, and fee estimates for both mainnet and testnet networks.

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Package and access

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

Blockstream Esplora MCP logo, by PipeworxCommunity listingLocal stdioSource reviewed; not executedPublished by Pipeworx
Vendor documentation

What you can do with it

  • Retrieve the current Bitcoin block height
  • Fetch detailed transaction information by txid
  • Get address summary including chain and mempool stats
  • View mempool size and fee histogram

Source and maintenance

Community listingRegistry 0.2.1
mcp-registry: io.github.pipeworx-io/blockstream-info@0.2.1Source repositoryProject website
Maintenance checked

Packages and installation

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

@pipeworx/mcp-blockstream-info 0.2.1

npm
@pipeworx/mcp-blockstream-info package definition
{
  "version": "0.2.1",
  "transport": "stdio",
  "identifier": "@pipeworx/mcp-blockstream-info",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "PIPEWORX_API_KEY",
      "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap."
    }
  ]
}

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": {
    "blockstream-esplora-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-blockstream-info@0.2.1"
      ],
      "env": {
        "PIPEWORX_API_KEY": "<YOUR_PIPEWORX_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": {
    "blockstream-esplora-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-blockstream-info@0.2.1"
      ],
      "env": {
        "PIPEWORX_API_KEY": "<YOUR_PIPEWORX_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": {
    "blockstream-esplora-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-blockstream-info@0.2.1"
      ],
      "env": {
        "PIPEWORX_API_KEY": "<YOUR_PIPEWORX_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": {
    "blockstream-esplora-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-blockstream-info@0.2.1"
      ],
      "env": {
        "PIPEWORX_API_KEY": "<YOUR_PIPEWORX_API_KEY>"
      }
    }
  }
}

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