INDIVIDUAL MCP TOOL

check_x402_endpoint

Before paying an unknown x402 endpoint, check whether it is safe: liveness, trust score (0-100), anomaly flags (receiver address changed between observations, catalog price vs.

pulsefeed.devnone authenticationAvailability not checked

LIVE ENDPOINT

https://pulsefeed.dev/mcp-server

No auth detected

Connect to this endpoint to inspect the live schema for check_x402_endpoint and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

Parent server

pulsefeed.dev

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.pulsefeed-x402]
url = "https://pulsefeed.dev/mcp-server"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "pulsefeed-x402": {
      "type": "http",
      "url": "https://pulsefeed.dev/mcp-server"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: pulsefeed-x402
Remote MCP URL: https://pulsefeed.dev/mcp-server

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": {
    "pulsefeed-x402": {
      "url": "https://pulsefeed.dev/mcp-server"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "pulsefeed-x402": {
      "type": "http",
      "url": "https://pulsefeed.dev/mcp-server"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "pulsefeed-x402",
  "transport": "streamable-http",
  "url": "https://pulsefeed.dev/mcp-server"
}

MCP Inspector

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

Related tools

mcp_check_server — Before installing an MCP server or npm package, audit it: does it run an INSTALL SCRIPT (arbitrary code execution at `npm i`), is it abandoned, does it ship a repository and license, weekly downloads, provenance — with a safe/caution/avoid verdict.
mcp_security_report — State of MCP Security: how many audited MCP servers run an arbitrary install script, are abandoned, ship no repository or license — with day-over-day deltas and a sample of currently-flagged servers.
pulsefeed_products — List PulseFeed's paid products and how to pay via x402 (USDC on Base): deep trust check, endpoint track record, bulk trust dataset, and the cross-domain Data API.
x402_changes — What changed in the x402 ecosystem recently: services that stopped returning a valid challenge, receiver (payTo) changes, price changes, recoveries, newly-seen services.
x402_data_sample — FREE sample of the PulseFeed Data API: top-10 live x402 services as FULL records (compounding payTo/price history, anomaly flags, on-chain receiver profile), top-10 MCP servers with full audit profile, and 3 live incidents.
x402_ecosystem_stats — Live health of the whole x402 agent-payment ecosystem: tracked/alive/dead counts, catalog-accuracy audit (what share of listings called 'healthy' actually work), risk-level distribution, receiver stability and on-chain receiver profiles.
x402_incidents — Anomalies observed in live x402 endpoints by continuous independent measurement: receiver-address changes between observations, catalog price vs.
x402_leaderboard — Top x402 services ranked by the open PulseFeed Trust Score (0-100), with price and network — the most reliable live agent-payment endpoints right now.