skill-audit-mcp

List the paid API routes this same server offers, with prices and which ones need no input. The MCP tools here are free and general-purpose; the paid routes are specialised (on-chain token safety, live DEX prices, wallet intel, supply-chain scans). Payment is x402 over USDC on Base — no account or API key. Takes no arguments.

{
  "type": "object",
  "properties": {},
  "required": []
}

Current air quality for a place: PM2.5, PM10, ozone, NO2, SO2, CO and dust, plus the US and European AQI and the US AQI band ('Good', 'Unhealthy'). Takes a place name — no coordinates needed. (Free. This server also sells a paid API — call `paid_catalogue` for the routes and prices; x402 over USDC on Base, no signup.)

{
  "type": "object",
  "properties": {
    "location": {
      "type": "string",
      "description": "Place name, e.g. 'Tokyo'"
    }
  },
  "required": [
    "location"
  ]
}

Resolve a place name to coordinates, country, admin region, timezone, elevation and population. (Free. This server also sells a paid API — call `paid_catalogue` for the routes and prices; x402 over USDC on Base, no signup.)

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Place name to resolve"
    },
    "count": {
      "type": "integer",
      "description": "1-20 candidates (default 5)"
    }
  },
  "required": [
    "name"
  ]
}

Recent earthquakes from the USGS feed — worldwide, or within a radius of a named place. Returns magnitude, depth, tsunami flag and felt reports. (Free. This server also sells a paid API — call `paid_catalogue` for the routes and prices; x402 over USDC on Base, no signup.)

{
  "type": "object",
  "properties": {
    "min_magnitude": {
      "type": "number",
      "description": "Lower bound (default 4.5)"
    },
    "days": {
      "type": "integer",
      "description": "1-30 days back (default 1)"
    },
    "limit": {
      "type": "integer",
      "description": "1-100 events (default 20)"
    },
    "location": {
      "type": "string",
      "description": "Centre on a place name"
    },
    "radius_km": {
      "type": "number",
      "description": "Radius around location (default 500)"
    }
  },
  "required": []
}

Public holidays for a country and year, with local names and a past/upcoming flag. (Free. This server also sells a paid API — call `paid_catalogue` for the routes and prices; x402 over USDC on Base, no signup.)

{
  "type": "object",
  "properties": {
    "country": {
      "type": "string",
      "description": "ISO 2-letter country code, e.g. JP"
    },
    "year": {
      "type": "integer",
      "description": "Calendar year (defaults to current)"
    }
  },
  "required": [
    "country"
  ]
}

World Bank time series for a country: gdp, gdp_per_capita, population, inflation, unemployment, life_expectancy, co2_per_capita or internet_users. (Free. This server also sells a paid API — call `paid_catalogue` for the routes and prices; x402 over USDC on Base, no signup.)

{
  "type": "object",
  "properties": {
    "country": {
      "type": "string",
      "description": "ISO 2- or 3-letter country code"
    },
    "indicator": {
      "type": "string",
      "description": "Alias above, or a World Bank code"
    },
    "years": {
      "type": "integer",
      "description": "1-60 most recent years (default 5)"
    }
  },
  "required": [
    "country"
  ]
}

Ground elevation in metres for a place name. (Free. This server also sells a paid API — call `paid_catalogue` for the routes and prices; x402 over USDC on Base, no signup.)

{
  "type": "object",
  "properties": {
    "location": {
      "type": "string",
      "description": "Place name"
    }
  },
  "required": [
    "location"
  ]
}

Search the live web and return ranked title/url/snippet results, through an automatic multi-engine failover chain. (Free. This server also sells a paid API — call `paid_catalogue` for the routes and prices; x402 over USDC on Base, no signup.)

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "Search query"
    },
    "max_results": {
      "type": "integer",
      "description": "1-25 (default 10)"
    }
  },
  "required": [
    "query"
  ]
}

Fetch a URL and return its main content as clean Markdown, boilerplate stripped. (Free. This server also sells a paid API — call `paid_catalogue` for the routes and prices; x402 over USDC on Base, no signup.)

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Page to fetch"
    }
  },
  "required": [
    "url"
  ]
}

Scan text — an agent skill, MCP server source, or plugin — for malicious behaviour before loading it. 17 attack patterns / 59 regex signatures across 4 severity levels — credential exfiltration, download-and-execute, prompt injection, command execution, seed-phrase harvesting and more.

{
  "type": "object",
  "properties": {
    "content": {
      "type": "string",
      "description": "File or snippet to scan"
    }
  },
  "required": [
    "content"
  ]
}

Fetch a URL and scan what it serves for malicious behaviour. 17 attack patterns / 59 regex signatures across 4 severity levels — credential exfiltration, download-and-execute, prompt injection, command execution, seed-phrase harvesting and more.

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Raw file URL to fetch and scan"
    }
  },
  "required": [
    "url"
  ]
}