DAS MCP Server on Cloudflare Workers

@pratikbuilds

About DAS MCP Server on Cloudflare Workers

A Cloudflare Worker MCP server that integrates with the Helius API to provide asset search tools

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "assets-mcp": {
      "command": "npx",
      "args": [
        "wrangler",
        "dev"
      ]
    }
  }
}

Tools

No tools detected

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is DAS MCP Server on Cloudflare Workers?

DAS MCP Server on Cloudflare Workers is a Cloudflare Worker that implements the Model Context Protocol (MCP) server, integrating with the Helius API to provide asset search and related tools. It is designed for developers who want to deploy a secure, serverless MCP server that can be used with Cloudflare AI Playground or Claude Desktop.

How to use DAS MCP Server on Cloudflare Workers?

Set the required HELIUS_API_KEY environment variable either in a local .dev.vars file for development or in the Cloudflare Dashboard for production. Deploy using the provided "Deploy to Workers" button or via the CLI template npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Connect MCP clients by pointing them to the SSE endpoint (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse).

Key features of DAS MCP Server on Cloudflare Workers

Cloudflare Worker MCP server for serverless deployment
Integrates with Helius API for asset search
Secure environment variable handling (no secrets in code)
Ready for Cloudflare AI Playground and Claude Desktop integration
Easy to extend with custom MCP tools

Use cases of DAS MCP Server on Cloudflare Workers

Deploy a remote MCP server for AI agents on Cloudflare’s edge network
Search blockchain assets via Helius API through MCP tools
Connect Claude Desktop to a serverless MCP endpoint using the mcp‑remote proxy
Build and test custom MCP tools locally with wrangler dev

FAQ from DAS MCP Server on Cloudflare Workers

What does DAS MCP Server on Cloudflare Workers do?

It runs a Model Context Protocol server as a Cloudflare Worker that wraps the Helius API, exposing asset search and other tools to MCP clients.

What are the runtime requirements?

A Cloudflare account and a valid Helius API key set as the HELIUS_API_KEY environment variable. No additional servers or infrastructure are needed.

Where does my data live?

The server itself is stateless; asset data is fetched on‑demand from the Helius API. No user data is stored in the Worker.

What transport does the server use?

It exposes an SSE endpoint (e.g., https://<worker>.workers.dev/sse) for remote MCP clients.

How do I connect Claude Desktop?

Use the mcp-remote npm package as a proxy; configure Claude Desktop’s MCP settings with the command npx mcp-remote <worker-sse-url>.

Frequently asked questions

What does DAS MCP Server on Cloudflare Workers do?

It runs a Model Context Protocol server as a Cloudflare Worker that wraps the Helius API, exposing asset search and other tools to MCP clients.

What are the runtime requirements?

A Cloudflare account and a valid Helius API key set as the `HELIUS_API_KEY` environment variable. No additional servers or infrastructure are needed.

Where does my data live?

The server itself is stateless; asset data is fetched on‑demand from the Helius API. No user data is stored in the Worker.

What transport does the server use?

It exposes an SSE endpoint (e.g., `https://<worker>.workers.dev/sse`) for remote MCP clients.

How do I connect Claude Desktop?

Use the `mcp-remote` npm package as a proxy; configure Claude Desktop’s MCP settings with the command `npx mcp-remote <worker-sse-url>`.

Comments

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