Uptime (30d)%100.0

Latency (p50)622 msfaster than 30% of servers

Protocol eralegacy

Tools5

com.substradium/carrier-records

Description

Dated motor-carrier records with receipts, verification, and specimens, from a records custodian.

What our measurements say

com.substradium/carrier-records is a remote MCP server published at substradium.com. It has been probed 5 times since 9/13/2026. It answered in 5 of them (100.0%), a near-uninterrupted record. Median response time is 622 ms, a delay an agent will notice. It offers a narrow, focused set of 5 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.

LegacyLegacy ⚠Website ↗Version: 1.0.1First probe: 2026-09-13 04:35:29Last probe: 2026-09-13 12:47:19

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 12:47:19	Legacy	400	650	200	664	2025-06-18
2026-09-13 10:45:14	Legacy	400	508	200	534	2025-06-18
2026-09-13 08:43:04	Legacy	400	432	200	622	2025-06-18
2026-09-13 06:40:42	Legacy	400	639	200	649	2025-06-18
2026-09-13 04:35:29	Legacy	400	538	200	508	2025-06-18

Supported versions

2025-06-18

as declared by server/discover + initialize

Capabilities

tools

Schema score

100

5 tools

Schema compliance

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

100/100

Excellent5 tools

tools/list schema valid
inputSchema is valid JSON Schema
Smoke test passed · last run: 2026-09-13 04:35:29
Cold-start: cold 159ms → warm 263ms (penalty 0ms)

Tools

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

carrier_record2 params · 2 required
Return a carrier record for a USDOT number and as-of date.
- as_ofstringrequired
- usdotstringrequired
carrier_record_by_docket2 params · 2 required
Return a carrier record for a docket number and as-of date.
- as_ofstringrequired
- docketstringrequired
verify1 param · 1 required
Verify a Substradium fingerprint.
- fingerprintstringrequired
specimen1 param · 1 required
Return one published specimen.
- namestringrequired
coverage0 params
Return the read surface coverage and limits.

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 12:47

13.09 04:35Measurements: 513.09 12:47

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.

11 hours agoAdded to watch — era: Legacy

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Markdown

[![mcpmetrics](https://mcpmetrics.io/badge/com.substradium/carrier-records/era.svg)](https://mcpmetrics.io/servers/com-substradium-carrier-records)

HTML

<a href="https://mcpmetrics.io/servers/com-substradium-carrier-records"><img src="https://mcpmetrics.io/badge/com.substradium/carrier-records/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://substradium.com/mcp