INDIVIDUAL MCP TOOL

x402_working_services

List x402 agent-payment services that are currently ALIVE and return a valid x402 challenge, ranked by PulseFeed Trust Score, plus ecosystem risk map.

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 x402_working_services and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Potential side effects detected · medium confidence · heuristic, not a guarantee.

A tool name or description suggests a financial action.

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

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.
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.