API Tools

402xagent.com

Enables agents to search, inspect, and purchase pay-per-call x402 services from a verified catalog, including service lookup and receipt retrieval.

x402 supported2 endpoints13 known toolsFirst detected October 11, 2026Last detected October 17, 2026

ENDPOINT 1

https://api.402xagent.com/mcp

No auth detected

MCP server metadata

Name: 402xagent
Version: 0.42.1

Capabilities

tools

Known tools 7

search_catalog

Browse or keyword-search the verified catalog of pay-per-call (x402) agent services.

Potential side effects

get_service

Fetch the complete catalog record for one known service id (e.g.

Inferred read-only

lookup

Rank x402 endpoints for a known task at or under a price: "which endpoint should I pay for task X at <= $Y?".

Potential side effects

get_overnight_cos_pack

Buy and download the Overnight Chief of Staff Setup Pack ($9 USDC on Base via x402): 5 ready-to-paste bot prompts, an HTML morning-briefing template, and a PDF setup guide.

Inferred read-only

get_receipt

Free: read a public 402xAgent receipt.

Inferred read-only

endpoint_spot_check

Decision-shaped SSRF-safe 402xAgent check of a public URL for an x402 PAYMENT-REQUIRED / 402 challenge.

Potential side effects

payment_status

After you pay an x402 endpoint (Base USDC, EIP-3009 exact): did the payment land, and is it safe to sign a new one?

Potential side effects

CONNECT WITH APPROVAL

Client installation

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

Codex

~/.codex/config.toml

[mcp_servers.402xagent]
url = "https://api.402xagent.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "402xagent": {
      "type": "http",
      "url": "https://api.402xagent.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: 402xagent
Remote MCP URL: https://api.402xagent.com/mcp

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": {
    "402xagent": {
      "url": "https://api.402xagent.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "402xagent": {
      "type": "http",
      "url": "https://api.402xagent.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "402xagent",
  "transport": "streamable-http",
  "url": "https://api.402xagent.com/mcp"
}

MCP Inspector

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

ENDPOINT 2

https://verified-catalog-lookup.withgrokbot.workers.dev/mcp

No auth detected

MCP server metadata

Name: 402xagent
Version: 0.21.0

Capabilities

tools

Known tools 6

search_catalog

Browse or keyword-search the verified catalog of pay-per-call (x402) agent services.

Potential side effects

get_service

Fetch the complete catalog record for one known service id (e.

Inferred read-only

lookup

Rank x402 endpoints for a known task at or under a price: "which endpoint should I pay for task X at <= $Y?

Potential side effects

get_overnight_cos_pack

Buy and download the Overnight Chief of Staff Setup Pack ($9 USDC on Base via x402): 5 ready-to-paste bot prompts, an HTML morning-briefing template, and a PDF setup guide.

Inferred read-only

get_receipt

Free: read a public 402xAgent receipt.

Inferred read-only

endpoint_spot_check

Decision-shaped SSRF-safe 402xAgent check of a public URL for an x402 PAYMENT-REQUIRED / 402 challenge.

Potential side effects

CONNECT WITH APPROVAL

Client installation

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

Codex

~/.codex/config.toml

[mcp_servers.402xagent]
url = "https://verified-catalog-lookup.withgrokbot.workers.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "402xagent": {
      "type": "http",
      "url": "https://verified-catalog-lookup.withgrokbot.workers.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: 402xagent
Remote MCP URL: https://verified-catalog-lookup.withgrokbot.workers.dev/mcp

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": {
    "402xagent": {
      "url": "https://verified-catalog-lookup.withgrokbot.workers.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "402xagent": {
      "type": "http",
      "url": "https://verified-catalog-lookup.withgrokbot.workers.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "402xagent",
  "transport": "streamable-http",
  "url": "https://verified-catalog-lookup.withgrokbot.workers.dev/mcp"
}

MCP Inspector

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

TRUST AND VERIFICATION EVIDENCE

Trust Data Available

BuiltWith Trust API v2 evidence for 402xagent.com was fetched 2026-10-12T01:08:58.606Z.

Trust status Neutral

402xagent.com is assessed as Neutral: No suspicious signals found, but no strong positive signal either

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.