Not reviewed
No score, grade or rank. This listing is facts from the official MCP registry and our own checks, and it stays out of the rankings until the panel reviews it.
Read-only developer, date, finance, and text utilities. Authless remote MCP server by Clean.tools.
Facts
- MCP registry
tools.clean/mcp· 0.1.1- Endpoint
https://mcp.clean.tools/mcp- Packages
npm@clean-tools/mcp stdio- Website
- clean.tools
- npm / week
- 15
- Registry entry
- updated 7 Jul 2026
From the official MCP registry, the package registries and our own checks. JSON · Markdown
Why it's listed
- It's published in the registry under clean.tools, a namespace the registry only gives to whoever proves they control that domain.
Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.
Tools it lists 42 · about 22,352 tokens of context · checked 4 hours ago
| Tool | What it does | Hint |
|---|---|---|
explain_cronCron Explainer | withheld | read-only |
validate_cronCron Validator | withheld | read-only |
expand_rruleRRULE Expander | withheld | read-only |
convert_timezoneTime Zone Converter | withheld | read-only |
strftime_previewstrftime Preview | withheld | read-only |
amortization_scheduleAmortization Schedule | withheld | read-only |
tvm_solveTVM Solver | withheld | read-only |
compound_interestCompound Interest Projection | withheld | read-only |
apr_calcAPR / APY Calculator | withheld | read-only |
interest_rateInterest Rate Solver | withheld | read-only |
hash_textHash Text | withheld | read-only |
diff_textText Diff | withheld | read-only |
test_regexRegex Tester | withheld | read-only |
convert_dataConvert Data | withheld | read-only |
luhn_validateLuhn Validate | withheld | read-only |
convert_unitsConvert Units | withheld | read-only |
uuid_v4UUID v4 Generator | withheld | read-only |
random_numberRandom Number | withheld | read-only |
generate_passwordGenerate Password | withheld | read-only |
decode_jwtDecode JWT | withheld | read-only |
encode_decodeEncoder / Decoder | withheld | read-only |
count_textText Counter | withheld | read-only |
generate_qrGenerate QR Code | withheld | read-only |
convert_caseConvert Case | withheld | read-only |
fancy_textFancy Text | withheld | read-only |
render_markdownRender Markdown | withheld | read-only |
lorem_ipsumLorem Ipsum | withheld | read-only |
redact_textRedact Text | withheld | read-only |
format_sqlFormat SQL | withheld | read-only |
color_paletteColor Palette Generator | withheld | read-only |
color_contrastWCAG Contrast Checker | withheld | read-only |
css_gradientCSS Gradient Builder | withheld | read-only |
percentagePercentage Calculator | withheld | read-only |
tipTip Calculator | withheld | read-only |
convert_timestampTimestamp Converter | withheld | read-only |
format_jsonJSON Formatter | withheld | read-only |
convert_yamlYAML / JSON Converter | withheld | read-only |
convert_colorColor Converter | withheld | read-only |
slugifySlug Generator | withheld | read-only |
convert_number_baseNumber Base Converter | withheld | read-only |
query_jsonJSONPath Query | withheld | read-only |
generate_idID Generator + Decoder | withheld | read-only |
What https://mcp.clean.tools/mcp answered to tools/list, asked without credentials. answered without the initialize handshake. The token figure is the size of the list as sent, divided by four; a model sees about that much before it calls anything. Full definitions, input schemas included, are in the listing's JSON under mcpTools.
How its tools read to an agent 1 error · 3 warnings · 0 notes
Its tool definitions contain text aimed at the model (TC19), which is how tool poisoning is written, so this site doesn't repeat them. An agent shouldn't connect to it without its user's say-so.
- errorTC19count_textthe definition contains zero-width characters
- warnTC10percentage"mode" is required and has a default
- warnTC18amortization_schedulereadOnlyHint is true but the name says "schedule"
- warnTC23server42 tools, about 22,484 tokens of definitions
The checks from /check and anchor check, run each day on the list above: about 22,352 tokens of definitions. Not part of the score yet. Check your own server.