Everyday calculators and converters for AI assistants: units, dates, percentages, text, JSON.
Connect Remote server
claude mcp add --transport http codekithub https://codekithub.com/api/mcp
{
"mcpServers": {
"codekithub": {
"url": "https://codekithub.com/api/mcp"
}
}
}
{
"servers": {
"codekithub": {
"type": "http",
"url": "https://codekithub.com/api/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://codekithub.com/api/mcp
Tools 13 found in our last check
find_toolFind a free online tool on CodeKitHub (there are hundreds: converters, calculators, generators, text, code and image tools). Returns the tool page link.
convert_unitsConvert between units of length, mass, volume, area, speed, time, data size and temperature, e.g. 5 miles to km or 72 F to C.
calculate_ageExact age from a birth date: years, months, days, total days and days until the next birthday.
date_differenceDays, weeks and calendar years/months/days between two dates.
calculate_percentagePercentage maths. percent_of: a% of b. what_percent: a is what % of b. percent_change: change from a to b.
compound_interestCompound interest with optional monthly contributions: final balance, total contributed and interest earned.
text_statsCount characters, words, sentences, paragraphs and lines, and estimate reading time.
convert_caseChange text case: upper, lower, title, sentence, camel, pascal, snake, kebab or constant.
encode_decodeEncode or decode text: Base64, URL, HTML entities, hex.
hash_textSHA hash of a text (SHA-1, SHA-256, SHA-384, SHA-512). Do not send secrets you need to keep private.
json_toolsFormat, minify or validate JSON.
timestamp_convertConvert a Unix timestamp (seconds or milliseconds) or an ISO date to both forms; "now" gives the current time.
color_convertConvert a colour between HEX, RGB and HSL.
Details
| Endpoint | https://codekithub.com/api/mcp (Streamable HTTP) |
| First published | 29 Oct 2026 |
| Last updated | 29 Oct 2026 |
| Registry name | com.codekithub/codekithub |
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