databutler

Name: databutler
Author: physics-star-cat

MCP serverMCP

Verified facts for AI agents: rates, exams, recalls, holidays, and what changed since your cutoff.

by physics-star-catrepository ↗homepage ↗v1.0.0

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Observed by Wellknown

Evidence

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

30-day availability19/19 checks ok

30 days ago

when	check	result	http	latency	detail
3 h ago	mcp initialize	ok	200	161 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
10 h ago	mcp initialize	ok	200	169 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
16 h ago	mcp initialize	ok	200	177 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
22 h ago	mcp initialize	ok	200	132 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
29 h ago	mcp initialize	ok	200	151 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	136 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	258 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	289 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	130 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools
3 d ago	mcp initialize	ok	200	207 ms	server databutler 1.1.0 · protocol 2025-06-18 · 9 tools

Tools observed via MCP handshake

uk_rates_lookup — Current UK (2026-27) rates and thresholds, verified against gov.uk with source URLs and verification dates. Categories: income-tax, national-insurance, minimum-
exam_topic_paper — Which exam paper is a topic on? The canonical student revision question ("is electricity paper 2 AQA?" — answer: no, Paper 1). Input a topic plus optional board
domain_provenance — Who runs this domain? Live RDAP lookup: registration date and age, registrar, nameservers, status, whether the registrant is redacted, plus a typosquat check (e
package_provenance — Who publishes this package, and is it a typosquat? Live npm or PyPI lookup: first-publish date and age, release count, latest version, maintainers/author, linke
take_home_pay — Net salary after income tax and social contributions for an employee in one of ten countries (uk, us, ca, au, in, br, pl, fr, de, es), computed live by the Life
what_changed_since — What has changed in Data Butler's verified datasets since a date — pass your training-cutoff date to learn which UK tax/NI/benefit thresholds, exam-spec facts,
coverage — Exactly what Data Butler covers and does not, per area — call this before assuming something is unsupported. Areas: uk-rates, uk-exams, provenance, stats, vehic
catalogue — Every tool across all Data Butler servers (UK rates; UK exams; provenance; exact statistics; vehicles: UK MOT, UK, French and Japanese recalls; take-home pay fo
call — Run any Data Butler tool by name — the long tail not listed here: exam_spec_lookup, exam_paper_index; exact statistics (distribution, hypothesis_test, confidenc

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

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

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registryio.github.physics-star-cat/databutler

first seen 5 d ago · fetched 2 d agoopen ↗

Field history (7 recent events)

5 d ago · declared · summary → "Verified facts for AI agents: rates, exams, recalls, holidays, and what changed since your cutoff."
5 d ago · declared · description → "Verified facts for AI agents: rates, exams, recalls, holidays, and what changed since your cutoff."
5 d ago · declared · publisherName → "physics-star-cat"
5 d ago · declared · homepageUrl → "https://databutler.dev/api"
5 d ago · declared · repoUrl → "https://github.com/physics-star-cat/databutler"
5 d ago · declared · version → "1.0.0"
5 d ago · declared · protocols → ["mcp"]

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from