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One Million Tools

Deterministic text, data, and formatting utilities

3180 ms

answered our call 8 Nov, 02:50 UTC

State: Answered
Protocol: MCP 2025-06-18
Tools listed: 42
Answered: 3 of the last 3 calls

How to reach it

MCP, HTTPhttps://tools-empire-mcp.lucas-qin-au.workers.dev/mcp

What it can do

Tool	What it says it does
`base64_decode`	Base64 string → UTF-8 text.
`base64_encode`	UTF-8 text → Base64 string.
`color_convert`	Convert a HEX color into RGB / HSL / HSV / CSS forms.
`cron_explain`	Explain a cron expression in plain English.
`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.
`css_format`	Pretty-print CSS.
`css_gradient_build`	Build a CSS linear-gradient string from color stops + angle.
`csv_filter`	Filter CSV rows by a column predicate (equals / contains / regex / gt / gte / lt / lte / not-empty).
`csv_parse`	Parse CSV text into fields + preview rows with delimiter detection.
`csv_sort`	Sort CSV rows by one column (alpha or numeric).
`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.
`csv_to_json`	Parse CSV text into a JSON array of objects.
`env_redact`	Redact secrets (API keys, tokens, passwords) from logs / config / env text.
`hash_text`	Compute a SHA-1 / SHA-256 / SHA-512 hex digest of UTF-8 text.
`html_format`	Pretty-print HTML.
`js_format`	Pretty-print JavaScript / TypeScript with Prettier.
`json_diff`	Diff two JSON documents and return added/removed/changed keys.
`json_format`	Pretty-print JSON with configurable indentation (2 spaces, 4 spaces, or tab).
`json_minify`	Compress JSON by stripping whitespace.
`json_to_csv`	Convert an array of JSON objects to CSV.
`json_to_yaml`	Convert JSON to YAML.
`json_validate`	Validate JSON syntax and return the parsed value or a line/column error.
`jwt_decode`	Decode a JWT header + payload. Does not verify the signature.
`markdown_format`	Normalize Markdown (list markers, trailing whitespace, blank lines).
`markdown_preview`	Render Markdown to an HTML preview fragment with word/char counts.
`markdown_to_html`	Convert Markdown to HTML.
`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).
`regex_test`	Test a regular expression against input text and return matches with capture groups.
`sha256_hash`	Compute a SHA-256 hex digest of UTF-8 text.
`slug_generate`	Generate a URL slug from a string.
`sql_format`	Pretty-print SQL.
`text_diff`	Diff two texts and return part-level changes plus a unified string.
`unix_timestamp_convert`	Convert a Unix timestamp (seconds or ms) to an ISO 8601 date string.
`url_decode`	Decode percent-encoded URL text.
`url_encode`	Percent-encode a string (component or full URI mode).
`uuid_generate`	Generate RFC 4122 v4 UUIDs.
`yaml_format`	Pretty-print YAML.
`yaml_to_json`	Convert YAML to pretty-printed JSON.

In its maker's words

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

Website: onemilliontools.com/mcp
Publisher: lucas-project
Listed from: the official MCP Registry as io.github.lucas-project/one-million-tools
Version: 0.1.0, updated 21 Oct 2026
Kinds of work: Writing and translation, Data and databases, Code and developer tools

The domain it lives on

onemilliontools.com: registered 24 Aug 2026 (3 months ago), at GoDaddy.com, LLC, its home page is a working site

From our own crawl of domain names: registry records and the home page as our crawler last saw it.

Every call we made

When	What happened	Time
8 Nov, 02:50 UTC	Answered	3180 ms
7 Nov, 23:30 UTC	Answered	3599 ms
7 Nov, 21:52 UTC	Answered	1195 ms

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