MCP Server

Coinslot — the vending machine for machines

            dev.coinslot/coinslot
        

Developer Tools Search & Research Public & reachable MCP 2026-07-28

What this MCP does

Provides utility tools for data conversion and validation, text diffing, identifier and email checks, web-page and feed extraction, document format conversion, QR generation, and timezone handling.

convert

JSON ↔ CSV

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).

Input schema

{'type': 'object', 'required': ['direction', 'data'], 'properties': {'data': {'description': 'Array of objects (json-to-csv) or CSV string (csv-to-json)'}, 'direction': {'enum': ['json-to-csv', 'csv-to-json'], 'type': 'string'}}}

cron

Cron Decode

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).

Input schema

{'type': 'object', 'required': ['expression'], 'properties': {'from': {'type': 'string', 'description': 'ISO date to project from'}, 'count': {'type': 'integer', 'default': 5, 'maximum': 20, 'minimum': 1}, 'expression': {'type': 'string', 'description': '5-field cron or @alias'}}}

diff

Text 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).

Input schema

{'type': 'object', 'required': ['a', 'b'], 'properties': {'a': {'type': 'string'}, 'b': {'type': 'string'}, 'context': {'type': 'integer', 'default': 3, 'maximum': 10, 'minimum': 0}}}

email_verify

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).

Input schema

{'type': 'object', 'properties': {'email': {'type': 'string', 'description': 'Single address'}, 'emails': {'type': 'array', 'items': {'type': 'string'}, 'maxItems': 20}}}

extract

Extract Pack

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).

Input schema

{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'description': 'Raw text, max 500KB'}}}

feed_to_json

Feed → 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).

Input schema

{'type': 'object', 'properties': {'url': {'type': 'string', 'description': 'Feed URL to fetch instead'}, 'xml': {'type': 'string', 'description': 'Feed XML, max 1MB'}}}

html_to_markdown

HTML → 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).

Input schema

{'type': 'object', 'required': ['html'], 'properties': {'html': {'type': 'string', 'description': 'HTML document or fragment, max 500KB'}}}

json_schema_validate

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).

Input schema

{'type': 'object', 'required': ['schema', 'data'], 'properties': {'data': {'description': 'Document to validate'}, 'schema': {'type': 'object', 'description': 'JSON Schema (draft-07 core subset)'}}}

markdown_to_html

Markdown → 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).

Input schema

{'type': 'object', 'required': ['markdown'], 'properties': {'markdown': {'type': 'string', 'description': 'GitHub-flavored Markdown, max 500KB'}}}

QR Code (SVG)

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).

Input schema

{'type': 'object', 'required': ['text'], 'properties': {'dark': {'type': 'string', 'description': 'hex color'}, 'text': {'type': 'string', 'maxLength': 2048}, 'light': {'type': 'string', 'description': 'hex color'}, 'margin': {'type': 'integer', 'default': 4, 'maximum': 8, 'minimum': 0}, 'ecLevel': {'enum': ['L', 'M', 'Q', 'H'], 'type': 'string', 'default': 'M'}}}

read_page

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).

Input schema

{'type': 'object', 'required': ['url'], 'properties': {'url': {'type': 'string', 'description': 'Public http(s) URL'}, 'maxBytes': {'type': 'integer', 'default': 1000000, 'maximum': 3000000, 'minimum': 1024}}}

timezone

Timezone Convert

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).

Input schema

{'type': 'object', 'required': ['to'], 'properties': {'to': {'description': 'IANA zone or array of zones (max 20)'}, 'from': {'type': 'string', 'description': 'IANA zone the input wall-clock is in'}, 'time': {'description': "ISO string, epoch, or 'now'"}}}

validate_ids

ID Validate Pack

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).

Input schema

{'type': 'object', 'properties': {'type': {'enum': ['card', 'iban', 'ean', 'isbn', 'uuid'], 'type': 'string'}, 'items': {'type': 'array', 'items': {'type': 'object', 'required': ['type', 'value'], 'properties': {'type': {'type': 'string'}, 'value': {'type': 'string'}}}, 'maxItems': 50}, 'value': {'type': 'string'}}}

Added

                            read_page
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            timezone
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            validate_ids
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            markdown_to_html
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            extract
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            feed_to_json
                        

Sept. 17, 2026, 12:39 p.m.

Added

qr

Sept. 17, 2026, 12:39 p.m.

Added

                            cron
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            diff
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            json_schema_validate
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            html_to_markdown
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            email_verify
                        

Sept. 17, 2026, 12:39 p.m.

Added

                            convert
                        

Sept. 17, 2026, 12:39 p.m.

Server details

Version

1.0.0

Transport

Streamable HTTP

Tools

Latency

565 ms

Last scan

Oct. 1, 2026, 2:43 a.m.

First seen

Sept. 13, 2026, 2:13 a.m.

Endpoint

https://coinslot.dev/mcp

Recent scans

Success

Oct. 1, 2026, 2:43 a.m.

Success

Sept. 29, 2026, 2:50 a.m.

Success

Sept. 27, 2026, 2:42 a.m.

Success

Sept. 25, 2026, 2:50 a.m.

Success

Sept. 23, 2026, 2:41 a.m.

Success

Sept. 21, 2026, 2:49 a.m.

Success

Sept. 19, 2026, 2:40 a.m.

Success

Sept. 17, 2026, 12:39 p.m.

Coinslot — the vending machine for machines

What this MCP does

Tools

Recent tool changes

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