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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

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

claude mcp add --transport http pulsefeed-x402 https://pulsefeed.dev/mcp-server

[mcp_servers.pulsefeed-x402]
url = "https://pulsefeed.dev/mcp-server"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "pulsefeed-x402": {
      "type": "remote",
      "url": "https://pulsefeed.dev/mcp-server",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "pulsefeed-x402": {
      "type": "http",
      "url": "https://pulsefeed.dev/mcp-server"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=pulsefeed-x402&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcHVsc2VmZWVkLmRldi9tY3Atc2VydmVyIn0%3D"
}

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

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

extensions:
  "pulsefeed-x402":
    enabled: true
    name: "pulsefeed-x402"
    type: streamable_http
    uri: "https://pulsefeed.dev/mcp-server"
    timeout: 300

Quality 94 / 100strong

protocol100 · weight 25

pass
protocol.modernsupports 2026-07-28 (server/discover)
pass
protocol.statelessanswers without a session
pass
protocol.transportstreamable HTTP
pass
protocol.list_ttltool list is cacheable (ttlMs 3600000)

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations11 of 11 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 1,460 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changes1 tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name

dependencies67 · weight 15

pass
deps.known_vulnsno known advisory in 101 resolved packages
fail
deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
pass
deps.resolvable[email protected] resolved: 101 packages

11 tools, about 1,460 tokens to load them all · tool set 16efc98d1908 · tools last changed 2026-10-02 · checked 2026-10-19 20:06 UTC

Tool changes

2026-10-02pulsefeed_productschangeddescription
before
List PulseFeed's products. All data endpoints are FREE since 2026-09-02 (trust checks, track records, datasets, drift history); only on-chain token signals are x402 pay-per-call. Formerly: deep trust check, endpoint track record, bulk trust dataset, and the cross-domain Data API. Includes the client-side spend-cap gotcha for x402-fetch.
after · 57% of words in common
List PulseFeed's paid products and how to pay via x402 (USDC on Base): deep trust check, endpoint track record, bulk trust dataset, full MCP drift series, the cross-domain Data API and on-chain token signals. Includes the client-side spend-cap gotcha for x402-fetch.

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 97 / 100

provenance90

liveness100

freshness100

hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-100% +updated-28d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Dependencies

[email protected] npm100 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisory	severity	package	fixed in
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server	high	`@modelcontextprotocol/[email protected]`MCP SDK, direct	fixed in `1.31.0`

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://pulsefeed.dev/mcp-server` streamable-http	none	yes	100%	691 ms	2026-07-28, 2025-11-25, 2025-06-18, 2025-03-26, 2024-11-05	2026-10-19

package	registry	version	runtime	secrets
`pulsefeed-x402-mcp`	npm	1.1.0	–

Tools (11)

`check_x402_endpoint`read-only	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. challenge price, invalid receiver, testnet listed as production, scheme outside the x402 spec), receiver stability and observation-count-qualified uptime — with a pay/avoid verdict. Reads the challenge from both the response body and the v2 PAYMENT-REQUIRED header. Free.
`mcp_check_server`read-only	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. ~11% of audited MCP servers run install scripts. Free.
`mcp_drift_check`read-only	The rug pull check. `mcp_check_server` answers whether a package is safe TODAY; this answers what CHANGED after it was adopted: an install script added in a later version (arbitrary code on `npm i` that was not there at review time), package ownership swapped, repository removed, package unpublished, build provenance lost. Pass your own dependency list to check it in one call. Derived from a daily external re-audit of the whole MCP package population — an event exists only because a snapshot from before it exists. Free.
`mcp_security_report`read-only	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. From a daily audit of the MCP server catalog. Free.
`pulsefeed_products`read-only	List PulseFeed's paid products and how to pay via x402 (USDC on Base): deep trust check, endpoint track record, bulk trust dataset, full MCP drift series, the cross-domain Data API and on-chain token signals. Includes the client-side spend-cap gotcha for x402-fetch.
`x402_changes`read-only	What changed in the x402 ecosystem recently: services that stopped returning a valid challenge, receiver (payTo) changes, price changes, recoveries, newly-seen services. Derived from compounding time-series that cannot be reconstructed after the fact. Free.
`x402_data_sample`read-only	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`read-only	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. Free.
`x402_incidents`read-only	Anomalies observed in live x402 endpoints by continuous independent measurement: receiver-address changes between observations, catalog price vs. challenge price mismatches, invalid receivers, testnet endpoints listed as production, payment schemes outside the x402 spec — EACH WITH AN ON-CHAIN REFERENCE on Base. Measurements, not accusations of intent. Check before paying anything. Free.
`x402_leaderboard`read-only	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. Free.
`x402_working_services`read-only	List x402 agent-payment services that are currently ALIVE and return a valid x402 challenge, ranked by PulseFeed Trust Score, plus ecosystem risk map. Use this to pick a service with a track record instead of paying an endpoint you have not checked. Free.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.Nikolife2016/pulsefeed-x402",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://pulsefeed.dev/mcp-server",
      "type": "streamable-http"
    }
  ],
  "version": "1.1.0",
  "packages": [
    {
      "version": "1.1.0",
      "transport": {
        "type": "stdio"
      },
      "identifier": "pulsefeed-x402-mcp",
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org"
    }
  ],
  "repository": {
    "url": "https://github.com/Nikolife2016/pulsefeed-x402",
    "source": "github"
  },
  "websiteUrl": "https://pulsefeed.dev",
  "description": "Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores."
}