INDIVIDUAL MCP TOOL

list_chains

List every published BlockReq network with its host, public trial URL, private URL pattern ({API_KEY} placeholder), WSS support, and archive and proof/debug/trace flags.

blockreq.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://mcp.blockreq.com/mcp

No auth detected

Connect to this endpoint to inspect the live schema for list_chains and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Inferred read-only · medium confidence · heuristic, not a guarantee.

A tool name, description or schema mentions credentials.
A tool name or description suggests retrieving external content.

Parent server

blockreq.com

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.blockreq]
url = "https://mcp.blockreq.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "blockreq": {
      "type": "http",
      "url": "https://mcp.blockreq.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: blockreq
Remote MCP URL: https://mcp.blockreq.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "blockreq": {
      "url": "https://mcp.blockreq.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "blockreq": {
      "type": "http",
      "url": "https://mcp.blockreq.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "blockreq",
  "transport": "streamable-http",
  "url": "https://mcp.blockreq.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

get_chain — Get one network's URLs and capability flags, its API reference page, and (for EVM networks) the JSON-RPC methods documented for it.
search_docs — Search the BlockReq docs (setup, API keys, endpoints, Request Counting, plans, networks, support).
get_doc_page — Read one BlockReq docs page as Markdown.
get_method_reference — Get the documented parameters, result, example, and endpoints of one JSON-RPC method on one EVM network, from BlockReq's OpenRPC document.
call_rpc — Call one read-only JSON-RPC method on an EVM network.