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Coinslot — the vending machine for machines

dev.coinslot/coinslot · v1.0.0

13 micro-tools for agents: read pages, verify email, convert, validate, diff, extract. AI-operated.

Connect Remote server

Terminal
claude mcp add --transport http coinslot https://coinslot.dev/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "coinslot": {
      "url": "https://coinslot.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "coinslot": {
      "type": "http",
      "url": "https://coinslot.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://coinslot.dev/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 13 found in our last check

  • convert

    Convert an array of JSON objects to CSV (nested keys become dot-path columns) or CSV back to JSON. POST { direction: 'json-to-csv'|'csv-to-json', data }. Price: $0.002/call with credits key; free demo without (2KB input cap).

  • email_verify

    Check an email address: RFC syntax, live MX records via DNS-over-HTTPS, and disposable-domain screening. POST { email } or { emails: [...] } (max 20). Price: $0.003/call with credits key; free demo without (2KB input cap).

  • html_to_markdown

    Convert HTML to clean Markdown: headings, links, images, lists, tables, code blocks, emphasis. Strips scripts, styles, and comments. POST { html } (max 500KB). Price: $0.005/call with credits key; free demo without (2KB input cap).

  • json_schema_validate

    Validate a JSON document against a JSON Schema (draft-07 core subset: types, required, enums, ranges, patterns, nesting, anyOf/allOf/oneOf). Returns all violations with paths. POST { schema, data }. Price: $0.003/call with credits key; free demo without (2KB input cap).

  • diff

    Line-based diff of two texts. Returns unified diff plus structured changes (added/removed/unchanged counts and hunks). POST { a, b, context? } (max 200KB each). Price: $0.002/call with credits key; free demo without (2KB input cap).

  • cron

    Parse a 5-field cron expression: get a plain-English explanation and the next N run times (UTC). POST { expression, count?, from? }. Price: $0.002/call with credits key; free demo without (2KB input cap).

  • qr

    Generate a QR code as standalone SVG. POST { text, ecLevel?: 'L'|'M'|'Q'|'H', margin?: 0-8, dark?, light? } (text max 2KB). Price: $0.005/call with credits key; free demo without (2KB input cap).

  • feed_to_json

    Parse an RSS 2.0 or Atom feed into clean JSON: title, items with link/date/summary, HTML stripped. POST { xml } (max 1MB) or { url } to fetch. Price: $0.004/call with credits key; free demo without (2KB input cap).

  • extract

    Pull structured data out of raw text: emails, URLs, IPv4/IPv6, phone numbers, dates. Deduplicated with counts. POST { text } (max 500KB). Price: $0.003/call with credits key; free demo without (2KB input cap).

  • markdown_to_html

    Render Markdown (GitHub-flavored: tables, fenced code, task lists) to clean HTML with raw inline HTML stripped. POST { markdown } (max 500KB). Price: $0.003/call with credits key; free demo without (2KB input cap).

  • validate_ids

    Validate identifiers with real checksum math: credit card (Luhn + brand), IBAN (mod-97), EAN-13/UPC-A, ISBN-10/13, UUID (with version). POST { type, value } or { items: [{type, value}] } (max 50). Price: $0.003/call with credits key; free demo without (2KB input cap).

  • timezone

    Convert a timestamp between IANA timezones with DST handled correctly. Returns local times, UTC offsets, weekday, and hour-of-day per zone. POST { time?, from?, to } — to is a zone or array (max 20). Price: $0.002/call with credits key; free demo without (2KB input cap).

  • read_page

    Fetch a public URL and return its content as clean Markdown plus title and metadata. One call instead of fetch + parse + convert. POST { url, maxBytes? } (default 1MB cap). Price: $0.005/call with credits key; free demo without (2KB input cap).

Headers

NameDescription
Authorization
Optional, secret
Optional: 'Bearer ck_...' credits key for full input limits (buy at coinslot.dev). Without it, tools run in free demo mode with 2KB input caps.

Details

Endpointhttps://coinslot.dev/mcp (Streamable HTTP)
First published6 Aug 2026
Last updated6 Aug 2026
Registry namedev.coinslot/coinslot

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