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Vextorium

by api.vextorium.com · remote · no sign-in to list tools · v1.0.4 · published by com.vextorium.api

232 pay-per-call AI APIs: crypto, DeFi, markets, official data, compliance and developer tools.

Changes · 2
CompareRegistry entry

3 tools: 2 change things and 1 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http vextorium https://api.vextorium.com/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

3 tools

Changes things 2Claude Code: ask
  • call_serviceRun any Vextorium service with its parameters and get the JSON result.No findings

    Why it is in this group

    • The name "call_service" says "call": a word for a change.
    Description, as the server wrote it
    Run any Vextorium service with its parameters and get the JSON result. Paid per call in USDC via x402 (price shown by service_details); invalid input or a failed upstream source is not charged.

    Annotations the server declares

    • title: Call a Vextorium data service (paid per call)
    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • service_detailsDetails of one Vextorium service: what it does, its price in USDC, the JSON input it accepts (schema) and an example.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Details of one Vextorium service: what it does, its price in USDC, the JSON input it accepts (schema) and an example. Free.

    Annotations the server declares

    • title: Vextorium service details
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
Only reads 1Claude Code: allow
  • search_servicesSearch the Vextorium catalog of 244 paid data services by keywords (e.g.No findings

    Why it is in this group

    • The name "search_services" says "search": a word for reading.
    Description, as the server wrote it
    Search the Vextorium catalog of 244 paid data services by keywords (e.g. 'crypto price', 'sanctions', 'ECB rates', 'earthquakes'). Free. Returns service ids, descriptions and prices.

    Annotations the server declares

    • title: Search Vextorium services
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.4. Values in angle brackets are yours to fill in.

claude mcp add --transport http vextorium https://api.vextorium.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__vextorium__search_services"
    ],
    "ask": [
      "mcp__vextorium__service_details",
      "mcp__vextorium__call_service"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as vextorium. Review it before you use it.