Usero
Description
Read your Usero feedback inbox and clusters, file feedback, build forms, and open an AI PR.
What our measurements say
Usero is a remote MCP server published at usero.io. It has been probed 8 times since 9/12/2026. It answered in 8 of them (100.0%), a near-uninterrupted record. Median response time is 2,058 ms, a delay an agent will notice. It offers a narrow, focused set of 2 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 06:40:42 | Legacy | 400 | 2412 | 200 | 1862 | 2025-11-25 |
| 2026-09-13 04:35:29 | Legacy | 400 | 2058 | 200 | 2059 | 2025-11-25 |
| 2026-09-13 01:33:33 | Legacy | 400 | 1334 | 200 | 378 | 2025-11-25 |
| 2026-09-12 23:31:36 | Legacy | 400 | 765 | 200 | 1811 | 2025-11-25 |
| 2026-09-12 21:29:15 | Legacy | 400 | 2576 | 200 | 2575 | 2025-11-25 |
| 2026-09-12 19:27:29 | Legacy | 400 | 835 | 200 | 734 | 2025-11-25 |
| 2026-09-12 17:24:09 | Legacy | 400 | 2156 | 200 | 978 | 2025-11-25 |
| 2026-09-12 15:21:42 | Legacy | 400 | 2459 | 200 | 2652 | 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 85ms → warm 82ms (penalty 3ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
start_signupStart signup without leaving the agent. Ask for the user's email, do not invent one. Sends an email with a Review connection button; the user presses that button, then "Yes, connect" on the page that opens (opening the page alone does nothing). That lets check_signup return an API key for this MCP client. Returns a pollToken for check_signup. No key is shown in the browser. 5 per email per hour; the link expires in 15 minutes.
emailstringrequiredclientNamestring
check_signupPoll after start_signup. Returns { status: "pending" } until the user presses the button in the email, then { status: "ready", apiKey, setup } exactly once; the pollToken is dead after that. The setup field holds the exact config or command for this client plus what to tell the user (restart, or remove-and-re-add on Desktop). Poll every 5 seconds for up to 15 minutes without ending your turn. On ready, apply the setup snippet at once, then call create_client for the product.
pollTokenstringrequired
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.
- Server build: 1.11.0 → 1.12.0
- Added to watch — era: Legacy
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[](https://mcpmetrics.io/servers/io-usero-usero)<a href="https://mcpmetrics.io/servers/io-usero-usero"><img src="https://mcpmetrics.io/badge/io.usero/usero/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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