Uptime (30d)%100.0

Latency (p50)730 msfaster than 24% of servers

Protocol eralegacy

Tools10

uk.co.corptaxcalculator/site

Description

Corp Tax Calculator: the site's own MCP server — dataset, enquiry (enquiry = a human handoff,...

What our measurements say

uk.co.corptaxcalculator/site is a remote MCP server published at corptaxcalculator.co.uk. It has been probed 12 times since 9/12/2026. It answered in 12 of them (100.0%), a near-uninterrupted record. Median response time is 730 ms, a delay an agent will notice. It offers a narrow, focused set of 10 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.

LegacyLegacy ⚠Website ↗Version: 1.0.0First probe: 2026-09-12 15:21:42Last probe: 2026-09-13 14:49:35

Agent readability score

Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.

Agent readability score

No AI summary has been generated for this server yet. Summaries are prepared on request — ask for one and it will appear on this page within a few minutes.

Event narrative

Raw observations

Run	Era	Modern	ms	Legacy	ms	Versions
2026-09-13 14:49:35	Legacy	400	697	200	716	2025-11-25
2026-09-13 12:47:19	Legacy	400	644	200	650	2025-11-25
2026-09-13 10:45:14	Legacy	400	731	200	730	2025-11-25
2026-09-13 08:43:04	Legacy	400	730	200	698	2025-11-25
2026-09-13 06:40:42	Legacy	400	870	200	895	2025-11-25
2026-09-13 04:35:29	Legacy	400	576	200	579	2025-11-25
2026-09-13 01:33:33	Legacy	400	668	200	669	2025-11-25
2026-09-12 23:31:36	Legacy	400	628	200	604	2025-11-25
2026-09-12 21:29:15	Legacy	400	732	200	719	2025-11-25
2026-09-12 19:27:29	Legacy	400	752	200	841	2025-11-25

Supported versions

2025-11-25

as declared by server/discover + initialize

Capabilities

resources, tools

Schema score

100

10 tools

Schema compliance

tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.

100/100

Excellent10 tools

tools/list schema valid
inputSchema is valid JSON Schema
Smoke test passed · last run: 2026-09-13 04:35:29
Cold-start: cold 314ms → warm 308ms (penalty 6ms)

Tools

Tools the server advertised in the latest measurement — measured, not catalog-claimed.

dataset_columns0 params
The columns, which of them are numeric, the row count and the provenance banner of the Corp Tax Calculator dataset. Call this first to learn the schema.
dataset_search2 params · 1 required
Rows of the Corp Tax Calculator dataset whose cells contain the query (case-insensitive), up to 50.
- querystringrequired
- limitinteger
dataset_row2 params · 2 required
The rows of the Corp Tax Calculator dataset where a column equals a value exactly (case-insensitive).
- columnstringrequired
- valuestringrequired
dataset_compare2 params · 2 required
The rows of the Corp Tax Calculator dataset whose column is any of the given values, in the order given — for "X vs Y" questions.
- columnstringrequired
- valuesarrayrequired
dataset_stats1 param · 1 required
count, min, max, mean, median and sum of a numeric column of the Corp Tax Calculator dataset (grouping commas and currency are handled; non-numeric rows are excluded and counted).
- columnstringrequired
dataset_top3 params · 1 required
The highest (or lowest) rows of the Corp Tax Calculator dataset by a numeric column — "which is the most/least X".
- columnstringrequired
- limitinteger
- ascendingboolean
dataset_provenance0 params
The source, the date it was computed, the licence and the citation for the Corp Tax Calculator dataset. Read this to attribute a figure correctly.
enquiry_describe0 params
Read first. States plainly what submit_enquiry does on Corp Tax Calculator: it starts an enquiry with human providers who quote directly. Nothing is bought, ordered or paid; no quote is guaranteed; it is free. Also returns who receives the details, the consent wording, and how the person confirms.
enquiry_fields0 params
Every field of the Corp Tax Calculator enquiry: key, label, type, whether required, help text and the allowed options where there are any. Pass answers to submit_enquiry keyed by field key.
submit_enquiry3 params · 2 required
Submits an enquiry to Corp Tax Calculator — NOT a purchase, NOT a guaranteed quote. Step 1: call with the answers (keyed by field key from enquiry_fields) and consent=true; it validates and returns a summary, the consent line and a confirmation token — show the person the summary and the consent line. Step 2: only if the person agrees, call again with the same answers, consent=true and the confirmation token; the enquiry is then submitted, and the person receives an email with a link they must click before any provider sees it. Consent means the person has read and agreed to: "By submitting you agree Corp Tax Calculator shares your details with R&D tax and corporation tax firms who may contact you."
- answersobjectrequired
- consentbooleanrequired
- confirmationstring

Availability history

Each block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.

Era history

Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.

Era distribution

Legacy100%

Legacy13.09 14:49

12.09 15:21Measurements: 1213.09 14:49

Legacy

Response time history

The two probe legs separately: modern server/discover and legacy initialize.

server/discoverinitialize

Event log

Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.

yesterdayAdded to watch — era: Legacy

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Add this badge to your README — it updates automatically as measurements change.

Markdown

[![mcpmetrics](https://mcpmetrics.io/badge/uk.co.corptaxcalculator/site/era.svg)](https://mcpmetrics.io/servers/uk-co-corptaxcalculator-site)

HTML

<a href="https://mcpmetrics.io/servers/uk-co-corptaxcalculator-site"><img src="https://mcpmetrics.io/badge/uk.co.corptaxcalculator/site/era.svg" alt="mcpmetrics"></a>

Raw observations

You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.

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https://corptaxcalculator.co.uk/mcp