INDIVIDUAL MCP TOOL

list-collections

List all curated collections of monitored Bitcoin addresses (e.g. Liquid Network whitehat, Coldcard exploit, Genesis memorials).

opreturn.xyznone authenticationAvailability not checked

LIVE ENDPOINT

https://opreturn.xyz

No auth detected

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

{}

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

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

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

Codex

~/.codex/config.toml

[mcp_servers.webmcp]
url = "https://opreturn.xyz"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "webmcp": {
      "type": "http",
      "url": "https://opreturn.xyz"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: webmcp
Remote MCP URL: https://opreturn.xyz

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": {
    "webmcp": {
      "url": "https://opreturn.xyz"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "webmcp": {
      "type": "http",
      "url": "https://opreturn.xyz"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "webmcp",
  "transport": "streamable-http",
  "url": "https://opreturn.xyz"
}

MCP Inspector

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

search-transmissions — Search and retrieve live monitored Bitcoin OP_RETURN messages. Returns messages with txid, content, sender, address, and category.
get-message-detail — Fetch a specific immutable Bitcoin OP_RETURN message by its 64-character transaction ID (txid).
navigate-page — Navigate to a specific page on The Permanent Record ('feed', 'collections', 'guide', 'landing').