FabTally Utility Belt

Name: FabTally Utility Belt
Author: zvmzaretsky

MCP serverMCP

13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more.

by zvmzaretskyrepository ↗homepage ↗v1.0.0

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Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability4/4 checks ok

30 days ago

Tools observed via MCP handshake

convert — FREE. Convert a value between units in the same dimension: length, mass, temperature, volume, data, time, area, speed, angle, pressure, energy. Deterministic. A
text — FREE. Text transforms. op='slugify' -> URL slug; op is one of camel|pascal|snake|kebab|constant|dot|path|title|sentence|upper|lower for case conversion; op='tem
hash — FREE. Compute a cryptographic digest: sha256, sha512, sha384, sha1, md5, sha3-256, keccak256, ripemd160. Optional HMAC via hmac_key. Output hex (default), base6
encode — FREE. Encode or decode text. op is one of base64-encode|base64-decode|base64url-encode|base64url-decode|hex-encode|hex-decode|url-encode|url-decode|html-encode|
id — FREE. Generate identifiers. kind is one of uuidv4|uuidv7|ulid|nanoid|hex|base64url|int. count up to 1000. nanoid takes `size`; hex/base64url take `bytes`. Uses
regex — FREE. Run a regular expression against input with catastrophic-backtracking protection (it runs in a killable worker with a hard timeout, so a pathological patt
timezone — PAID $0.001 (x402, USDC on Base). Convert an instant between IANA time zones with historically-correct DST. Returns converted datetime, UTC offsets, tz abbrevia
cron — PAID $0.001. Parse a 5- or 6-field cron expression and return the next N run times plus a plain-English description. Args: expression, timezone (IANA, default U
rrule — PAID $0.001. Expand an iCal RRULE (RFC 5545) recurrence into its next N occurrences. Args: rrule (e.g. 'FREQ=WEEKLY;BYDAY=MO,WE;COUNT=10'), after (ISO, default
currency — PAID $0.001. Convert an amount between currencies at reference/mid-market rates from a keyless public central-bank feed (ECB), cached. Informational, not a deal
diff — PAID $0.001. Diff two texts: a unified patch, a structured op-list (add/remove/equal), and add/remove/hunk stats. Args: a, b, mode (lines|words|chars, default l
jsonschema — PAID $0.001. Validate a value against a JSON Schema (draft 2020-12) and explain every error in plain English (which property, what was wrong, allowed values). A
datemath — PAID $0.001. Calendar date math. op='add'/'subtract' an ISO-8601 duration (P1Y2M10DT2H30M) to a date; op='diff' two datetimes into chosen units; op='business-ad

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kind ← Official MCP Registry

name ← Official MCP Registry

repoUrl ← Official MCP Registry

summary ← Official MCP Registry

version ← Official MCP Registry

description ← Official MCP Registry

homepageUrl ← Official MCP Registry

publisherName ← Official MCP Registry

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Official MCP Registryio.github.zvmzaretsky/utility-belt

first seen 26 h ago · fetched 26 h agoopen ↗

Field history (7 recent events)

26 h ago · declared · summary → "13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more."
26 h ago · declared · description → "13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more."
26 h ago · declared · publisherName → "zvmzaretsky"
26 h ago · declared · homepageUrl → "https://belt.fabtally.com"
26 h ago · declared · repoUrl → "https://github.com/zvmzaretsky/fabtally-belt-mcp"
26 h ago · declared · version → "1.0.0"
26 h ago · declared · protocols → ["mcp"]

when	check	result	http	latency	detail
5 h ago	mcp initialize	ok	200	30 ms	server fabtally-belt 1.0.0 · protocol 2025-06-18 · 13 tools
12 h ago	mcp initialize	ok	200	23 ms	server fabtally-belt 1.0.0 · protocol 2025-06-18 · 13 tools
19 h ago	mcp initialize	ok	200	17 ms	server fabtally-belt 1.0.0 · protocol 2025-06-18 · 13 tools
26 h ago	mcp initialize	ok	200	11 ms	server fabtally-belt 1.0.0 · protocol 2025-06-18 · 13 tools

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