AI Web Search x402 MCP Server

@Br0ski777

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基本情報

カテゴリ

検索

ライセンス

MIT

トランスポート

stdio

作者

Br0ski777

投稿者

Br0ski777

AI Web Search x402 MCP Server について

Web search API for AI agents. Structured results with title, URL, snippet. Current news, docs, research. Up to 10 results per query. -- x402 micropayment API + MCP server for AI agents

#x402 #mcp #api #web-search #search

AI Web Search x402 MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "web-search": {
      "url": "https://web-search-production-7393.up.railway.app/mcp",
      "transport": "sse"
    }
  }
}

AI Web Search x402 MCP Server のツール

POST

概要

What is AI Web Search x402?

AI Web Search x402 is a web search API for AI agents, delivering structured results with title, URL, and snippet. It uses the x402 protocol for pay-per-call payments (USDC on Base L2) — no API key, no signup, no rate-limit wall. It is part of the klymax402 marketplace of 100 x402 micropayment APIs for AI agents, all using one wallet and USDC on Base.

How to use AI Web Search x402?

Add the server to any MCP client (Claude Desktop, Cursor, ElizaOS, etc.) by inserting the following config:

{
  "mcpServers": {
    "web-search": {
      "url": "https://web-search.api.klymax402.com/mcp"
    }
  }
}

Alternatively, send an HTTP POST to /api/search with a JSON body containing {"query":"..."}. Any x402-aware client (e.g., @x402/fetch, x402-agent-tools, ATXP) automatically handles the 402 Payment Required challenge, sign, and retry cycle.

Key features of AI Web Search x402

Structured results: title, URL, text snippet
Up to 10 results per query (default 5)
Pay‑per‑call via x402 — no signup or API key
Alternative to Exa search at 3x lower cost
Semantic web search for current, up‑to‑date information
Part of the klymax402 marketplace (100 x402 APIs, one wallet)

Use cases of AI Web Search x402

Answering questions about current events and recent developments
Finding documentation, research papers, or technical guides
Researching competitors or gathering market intelligence
Semantic web search for any topic beyond the agent's training data
Drop‑in replacement for Exa search in existing agent workflows

よくある質問

What is x402 and how does payment work?

x402 is an HTTP‑native pay‑per‑call protocol. The server returns a 402 Payment Required challenge with payment details; any x402‑aware client (such as `@x402/fetch` or `x402-agent-tools`) automatically signs the payment and retries the request. No manual signup or API key is needed.

How much does each search call cost?

Each call to the `web_search_query` tool costs $0.003 (USDC on Base L2).

What parameters does the search tool accept?

The tool requires a `query` (string) and accepts an optional `count` (number, default 5, max 10) to specify the number of results returned.

What types of queries is this tool not suitable for?

This tool is for semantic web search only. It is **not** for: web page content extraction, SEO analysis, screenshot capture, or company data enrichment.

How does this compare to Exa search?

AI Web Search x402 is a drop‑in alternative to Exa search for semantic web search, offering the same capability at approximately 3x lower cost per query.

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