io.github.theoddden/stamp
https://stamp-mcp.terradev.cloud/mcp ↗
Description
Concierge MCP for agentic workflows: verified time + drift, uuid, diff, calc, attest, verify.
What our measurements say
io.github.theoddden/stamp is a remote MCP server published at stamp-mcp.terradev.cloud. It has been probed 6 times since 9/12/2026. It answered in 6 of them (100.0%), a near-uninterrupted record. Median response time is 717 ms, a delay an agent will notice. It offers a narrow, focused set of 6 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Agent readability score
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| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-13 01:33:33 | Legacy | 200 | 567 | 200 | 557 | 2025-11-25 |
| 2026-09-12 23:31:36 | Legacy | 200 | 482 | 200 | 461 | 2025-11-25 |
| 2026-09-12 21:29:15 | Legacy | 200 | 503 | 200 | 504 | 2025-11-25 |
| 2026-09-12 19:27:29 | Legacy | 200 | 719 | 200 | 722 | 2025-11-25 |
| 2026-09-12 17:24:09 | Legacy | 200 | 717 | 200 | 733 | 2025-11-25 |
| 2026-09-12 15:21:42 | Legacy | 200 | 957 | 200 | 888 | 2025-11-25 |
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test not run this round
- Cold-start: cold 119ms → warm 120ms (penalty 0ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
get_timeQuery an NTP server for current UTC time and this clock's offset. Appends the sample to the drift log and returns the trend inline: current offset, drift rate (ms/day), and whether the clock is stable, drifting, or accelerating.
serverstringtimezonestring
generate_uuidGenerate one or more random UUIDv4 identifiers -- for records, sessions, and IDs created in agent pipelines.
countinteger
diffUnified diff between two texts, with added/removed line counts. For reviewing edits, comparing outputs, or validating transformations.
text_astringrequiredtext_bstringrequiredcontextinteger
calculateEvaluate a math expression safely: + - * / // % **, parentheses, functions (abs round min max sqrt floor ceil exp log log2 log10 pow sin cos tan), constants pi e tau inf. Parsed to an AST and only whitelisted nodes are computed -- no eval(), no names, no arbitrary code.
expressionstringrequired
attestWrap any payload in a tamper-evident record: a UUID, a timestamp (NTP-verified when reachable, local clock otherwise -- the record says which), and a sha256 over the canonical record. One call, the record is complete and tamper-evident.
payloadrequiredserverstring
verifyCheck a record produced by attest: recompute the sha256 over the record and compare. Pass/fail -- did this payload produce this hash at this timestamp. Any modified field breaks it.
attestedobjectrequired
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.
Response time history
The two probe legs separately: modern server/discover and legacy initialize.
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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[](https://mcpmetrics.io/servers/io-github-theoddden-stamp)<a href="https://mcpmetrics.io/servers/io-github-theoddden-stamp"><img src="https://mcpmetrics.io/badge/io.github.theoddden/stamp/era.svg" alt="mcpmetrics"></a>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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