Is X402search MCP Server safe to use?

X402search MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install X402search MCP Server?

X402search MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can X402search MCP Server do?

X402search MCP Server provides 1 tool: search_x402_apis. See the full tools list on the server page for descriptions and parameters.

What AI clients work with X402search MCP Server?

X402search MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.

Is X402search MCP Server actively maintained?

X402search MCP Server is less actively maintained — last commit was 110 days ago. It has 1 GitHub stars.

X402search MCP Server

x402search-mcp

Search 13,000+ x402-enabled APIs from your AI agent. Powered by x402search.xyz

1 41/wk 1 tool GitHub npm PyPI

No known CVEs

No license

Maintained

Last commit 110d ago

Works with most clients

Transport: stdio, http

1 tool · ~161 tok

Grade A · 0.1% of 200K ctx

Edit this pageView history

Search Developer Tools

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "x402search": {
      "env": {
        "EVM_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY_HERE"
      },
      "args": [
        "x402search-mcp@1.0.3"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-x402-index-x402search-mcp)](https://mcppedia.org/s/io-github-x402-index-x402search-mcp)

Read me

What X402search MCP Server does

Search 14,000+ x402-enabled HTTP APIs from any MCP-compatible agent.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'x402search-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

79/100across 5 weighted dimensions

How we score →

0255075100

−21

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked x402search-mcp against OSV.dev.

Inventory

Tools (1)

Click any tool to inspect its schema.

~161 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is X402search MCP Server safe to use?: X402search MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install X402search MCP Server?: X402search MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can X402search MCP Server do?: X402search MCP Server provides 1 tool: search_x402_apis. See the full tools list on the server page for descriptions and parameters.
What AI clients work with X402search MCP Server?: X402search MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is X402search MCP Server actively maintained?: X402search MCP Server is less actively maintained — last commit was 110 days ago. It has 1 GitHub stars.

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Edit this pageView history

Search Developer Tools

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "x402search": {
      "env": {
        "EVM_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY_HERE"
      },
      "args": [
        "x402search-mcp@1.0.3"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-x402-index-x402search-mcp)](https://mcppedia.org/s/io-github-x402-index-x402search-mcp)

Read me

What X402search MCP Server does

Search 14,000+ x402-enabled HTTP APIs from any MCP-compatible agent.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'x402search-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

README

x402search MCP Server

Search 14,000+ x402-enabled HTTP APIs from any MCP-compatible agent.

Version: 1.0.3 · License: MIT · Cost: $0.01 USDC per search · Base mainnet · No account needed

npm: https://www.npmjs.com/package/x402search-mcp
PyPI: https://pypi.org/project/x402search-mcp
API: https://x402search.xyz

Requirements

A wallet private key (EVM)
USDC on Base mainnet (eip155:8453)
Get USDC on Base: https://www.coinbase.com/how-to-buy/usdc

Install: Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "x402search": {
      "command": "npx",
      "args": ["x402search-mcp@1.0.3"],
      "env": {
        "EVM_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY_HERE"
      }
    }
  }
}

Config file location:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

Install: Claude Code

claude mcp add x402search -- npx x402search-mcp@1.0.3

Then set your key:

export EVM_PRIVATE_KEY=0xYOUR_PRIVATE_KEY_HERE

Install: Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "x402search": {
      "command": "npx",
      "args": ["x402search-mcp@1.0.3"],
      "env": {
        "EVM_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY_HERE"
      }
    }
  }
}

Install: Windsurf

Add to ~/.codeium/windsurf/mcp_config.json:

{
  "mcpServers": {
    "x402search": {
      "command": "npx",
      "args": ["x402search-mcp@1.0.3"],
      "env": {
        "EVM_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY_HERE"
      }
    }
  }
}

Install: Python agents (LangChain, CrewAI, AutoGen, GAME SDK)

pip install x402search-mcp

from x402search import search_x402_apis
results = search_x402_apis(
    query="token price API ethereum",
    private_key="0xYOUR_PRIVATE_KEY_HERE"
)
print(results)

Full docs: https://pypi.org/project/x402search-mcp

Quick Test

EVM_PRIVATE_KEY=0xYOUR_KEY npx x402search-mcp@1.0.3

Tool: search_x402_apis

Parameter	Type	Required	Description
query	string	yes	e.g. "token price API", "DEX swap routing"
network	string	no	e.g. "eip155:8453" for Base mainnet
max_price_usdc	number	no	Filter to APIs at or below this price
limit	number	no	Max results (default 10, max 50)

Virtuals ACP Integration

x402search is available as a native ACP agent on the Virtuals protocol marketplace.

Agent ID: 22531
Agent profile: https://app.virtuals.io/acp/agent-details/22531
Job name: x402search
Price: 0.01 USDC per search
Accepts crypto, DeFi, and blockchain API discovery queries
Rejects off-topic requests automatically at the request phase
Returns structured results: endpoint URLs, payment metadata, network, and relevance rank

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

79/100across 5 weighted dimensions

How we score →

0255075100

−21

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked x402search-mcp against OSV.dev.

Inventory

Tools (1)

Click any tool to inspect its schema.

~161 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is X402search MCP Server safe to use?: X402search MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install X402search MCP Server?: X402search MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can X402search MCP Server do?: X402search MCP Server provides 1 tool: search_x402_apis. See the full tools list on the server page for descriptions and parameters.
What AI clients work with X402search MCP Server?: X402search MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is X402search MCP Server actively maintained?: X402search MCP Server is less actively maintained — last commit was 110 days ago. It has 1 GitHub stars.

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MCP Security Weekly

Get CVE alerts and security updates for X402search MCP Server and similar servers.

Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

X402search MCP Server

Install in your client

What X402search MCP Server does

Test This Server

Why this score

79/100across 5 weighted dimensions

Security

Tools (1)

Reviews

Frequently Asked Questions

Similar servers

Discussion

X402search MCP Server

Install in your client

What X402search MCP Server does

Test This Server

x402search MCP Server

Requirements

Install: Claude Desktop

Install: Claude Code

Install: Cursor

Install: Windsurf

Install: Python agents (LangChain, CrewAI, AutoGen, GAME SDK)

Quick Test

Tool: search_x402_apis

Virtuals ACP Integration

Links

Why this score

79/100across 5 weighted dimensions

Security

Tools (1)

Reviews

Frequently Asked Questions

Similar servers

Discussion

x402search MCP Server

Requirements

Install: Claude Desktop

Install: Claude Code

Install: Cursor

Install: Windsurf

Install: Python agents (LangChain, CrewAI, AutoGen, GAME SDK)

Quick Test

Tool: search_x402_apis

Virtuals ACP Integration

Links