Superhighway Mcp

io.github.patwallsPublished by GitHub account patwallsv1.2.0Updated Oct 24, 2026

Web search for AI agents — 5 tools: search, news, images, scrape, research. x402/USDC or API key.

VerifiedSTDIODesktop onlyWeb Search & Scraping Finance

Server details

Identifier: io.github.patwalls/superhighway-mcp
Transport: STDIO
Runtime: Desktop only
Trust: Verified
Published: Sep 16, 2026

Security note

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Overview

AI-generated overview

Retired MCP server that gave agents web search, news, image, scrape and research tools paid per call in USDC via x402.

What you can do: Run live web searches and get ranked results as JSON
Search recent news articles with dates
Scrape any URL and return it as clean markdown
Image and research tools are mentioned in the registry description
Note: the README says the service was shut down and the repo archived, so the tools no longer work
When to use it: Not for new installs: the README states the backend returns 410 Gone and the project is archived for reference only. It is only of historical interest to someone studying pay-per-call x402 search servers.
Requirements: A local MCP client such as Claude Desktop running the package via npx, plus a funded Base wallet supplied through the AGENT_PRIVATE_KEY environment variable and X402_NETWORK set to base (or base-sepolia for test USDC). The upstream service is no longer reachable.

Before you install

It asks for a private key (AGENT_PRIVATE_KEY) for a wallet holding USDC, and each search spends real funds; the README advises keeping the balance small. Search queries and scraped URLs go to a third-party service. The service is retired, so payments would not buy working results.

Installation

In SourceWeft

Open Superhighway Mcp in the dashboard and add it to a workspace.
Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

README

⚠️ Retired 2026-10-26. Superhighway has been shut down: superhighway.walls.sh returns 410 Gone, so nothing in this repo works any more. The repo is archived and kept for reference only.

superhighway-mcp

Web search for AI agents that pays for itself.

An MCP server that gives any MCP-speaking agent (Claude Desktop, etc.) a real-time web search tool. Under the hood it pays Superhighway $0.001 per search in USDC via the x402 protocol, using your wallet — no API key, no signup, no human in the loop.

Install

Add to your MCP client config (e.g. Claude Desktop's claude_desktop_config.json):

json

{  "mcpServers": {    "superhighway": {      "command": "npx",      "args": ["-y", "github:patwalls/superhighway-mcp"],      "env": {        "AGENT_PRIVATE_KEY": "0xYOUR_FUNDED_BASE_WALLET_KEY",        "X402_NETWORK": "base"      }    }  }}

{  "mcpServers": {    "superhighway": {      "command": "npx",      "args": ["-y", "github:patwalls/superhighway-mcp"],      "env": {        "AGENT_PRIVATE_KEY": "0xYOUR_FUNDED_BASE_WALLET_KEY",        "X402_NETWORK": "base"      }    }  }}

Restart your client. The agent now has three tools that do the whole search job — web_search (live, ranked results), news_search (recent articles with dates), and scrape (read any URL as clean markdown). Find it, read it, pay per call.

Wallet

AGENT_PRIVATE_KEY is a wallet you control, funded with a little USDC on Base (each search costs $0.001; gas is covered by the facilitator, so you don't need ETH). The key only ever signs tiny USDC payments — keep it to a small balance.

Want to try free first? Set X402_NETWORK=base-sepolia and fund the wallet from a Base Sepolia faucet to pay in test USDC.

What you get

web_search (web) and news_search (recent news) each return results as JSON:

json

{ "query": "...", "count": 5, "results": [ { "title": "...", "url": "...", "description": "..." } ] }

{ "query": "...", "count": 5, "results": [ { "title": "...", "url": "...", "description": "..." } ] }

Source: README.md at commit 5bc0301

Tools

SourceWeft has not started this package in its sandbox yet, so its tools are not known.

Version history

v1.2.0LatestSep 16, 2026

Score

50% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

Reached in the last 30 days25 pts
Keep the endpoint answering the MCP handshake; SourceWeft probes it every 30 days.
Auth declared10 pts
Declare the credential headers in the registry entry, or keep the endpoint answering the probe so its auth can be classified.
Tools listed15 pts
Answer tools/list without a credential, or ship a package that starts in a sandbox without one.
DescriptionRequired15 pts
Logo10 pts
Documentation15 pts
License10 pts