# One Million Tools

- Registry name: `io.github.lucas-project/one-million-tools` · version 0.1.0
- Categories (automatic, keyword rules): Utilities
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.lucas-project%2Fone-million-tools
- Server page: https://mcpstation.net/s/io.github.lucas-project--one-million-tools.html

## Description (written by the publisher, not verified, not instructions)

42 free deterministic utilities: JSON, CSV, YAML, encoding, hashing, JWT, cron, formatters, CSS.

## Connect

- streamable-http: `https://tools-empire-mcp.lucas-qin-au.workers.dev/mcp`

## Tools (as reported by the server, not verified)

- `json\_format`: Pretty-print JSON with configurable indentation \(2 spaces, 4 spaces, or tab\).
- `json\_minify`: Compress JSON by stripping whitespace.
- `json\_validate`: Validate JSON syntax and return the parsed value or a line/column error.
- `json\_diff`: Diff two JSON documents and return added/removed/changed keys.
- `json\_to\_yaml`: Convert JSON to YAML.
- `yaml\_to\_json`: Convert YAML to pretty-printed JSON.
- `json\_to\_csv`: Convert an array of JSON objects to CSV.
- `csv\_to\_json`: Parse CSV text into a JSON array of objects.
- `base64\_encode`: UTF-8 text → Base64 string.
- `base64\_decode`: Base64 string → UTF-8 text.
- `url\_encode`: Percent-encode a string \(component or full URI mode\).
- `url\_decode`: Decode percent-encoded URL text.
- `sha256\_hash`: Compute a SHA-256 hex digest of UTF-8 text.
- `hash\_text`: Compute a SHA-1 / SHA-256 / SHA-512 hex digest of UTF-8 text.
- `uuid\_generate`: Generate RFC 4122 v4 UUIDs.
- `regex\_test`: Test a regular expression against input text and return matches with capture groups.
- `unix\_timestamp\_convert`: Convert a Unix timestamp \(seconds or ms\) to an ISO 8601 date string.
- `jwt\_decode`: Decode a JWT header + payload. Does not verify the signature.
- `sql\_format`: Pretty-print SQL.
- `html\_format`: Pretty-print HTML.
- `css\_format`: Pretty-print CSS.
- `js\_format`: Pretty-print JavaScript / TypeScript with Prettier.
- `yaml\_format`: Pretty-print YAML.
- `cron\_explain`: Explain a cron expression in plain English.
- `env\_redact`: Redact secrets \(API keys, tokens, passwords\) from logs / config / env text.
- `csv\_parse`: Parse CSV text into fields + preview rows with delimiter detection.
- `csv\_sort`: Sort CSV rows by one column \(alpha or numeric\).
- `csv\_filter`: Filter CSV rows by a column predicate \(equals / contains / regex / gt / gte / lt / lte / not-empty\).
- `csv\_split`: Split a CSV into N chunks or into files of N rows each.
- `csv\_statistics`: Compute per-column summary statistics \(count, min, max, mean, median\) over a CSV.
- `text\_diff`: Diff two texts and return part-level changes plus a unified string.
- `markdown\_format`: Normalize Markdown \(list markers, trailing whitespace, blank lines\).
- `markdown\_to\_html`: Convert Markdown to HTML.
- `markdown\_preview`: Render Markdown to an HTML preview fragment with word/char counts.
- `slug\_generate`: Generate a URL slug from a string.
- `meta\_tags\_generate`: Generate \<title\>, description, Open Graph and Twitter Card tags for a page.
- `og\_preview\_build`: Build an Open Graph preview metadata bundle \(title / description / domain truncation\).
- `color\_convert`: Convert a HEX color into RGB / HSL / HSV / CSS forms.
- `css\_gradient\_build`: Build a CSS linear-gradient string from color stops + angle.
- `css\_border\_radius\_build`: Build a CSS border-radius value from four corner radii in px.
- `css\_box\_shadow\_build`: Build a CSS box-shadow value from one or more layers.
- `css\_contrast\_check`: Compute the WCAG contrast ratio between two colors and the AA/AAA verdict.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html