Reply.io

Reply.io is a remote MCP server published at mcp.reply.io. It has been probed 32 times since 9/4/2026. It answered in 32 of them (100.0%), a near-uninterrupted record. Median response time is 670 ms, a delay an agent will notice. Its tool list could not be read; the server is closed to direct calls. It answers direct calls with an authentication wall.

Manage sequences, contacts, and outreach statistics on Reply.io's sales engagement platform.

Auth-gatedSpec: unknownVersion: —First probe: 2026-09-04 15:47:51Last probe: 2026-09-07 00:27:42

Agent readability score

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

Agent readability score

We could not read this server's tool schema, so an AI evaluation cannot be generated. It will be retried automatically once the server is measured again.

Event narrative

Raw observations

Run	Era	Modern	ms	Legacy	ms	Versions
2026-09-07 00:27:42	Auth-gated	401	672	401	669	—
2026-09-06 22:36:06	Auth-gated	401	607	401	608	—
2026-09-06 20:44:13	Unknown	429	751	429	739	—
2026-09-06 18:49:47	Auth-gated	401	609	401	602	—
2026-09-06 16:56:18	Auth-gated	401	808	401	795	—
2026-09-06 15:42:25	Auth-gated	401	777	401	763	—
2026-09-06 13:49:02	Auth-gated	401	670	401	678	—
2026-09-06 11:55:12	Auth-gated	401	579	401	606	—
2026-09-06 10:02:05	Auth-gated	401	553	401	551	—
2026-09-06 08:09:06	Auth-gated	401	822	401	825	—

Supported versions

—

as declared by server/discover + initialize

Capabilities

—

not readable

Schema score

—

not measurable

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

Auth-gated97%Unknown3%

Auth-gated07.09 00:27

04.09 15:47Measurements: 3207.09 00:27

Auth-gatedUnknown

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.

3 hours agoEra changed: Unknown → Auth-gated
4 hours agoEra changed: Auth-gated → Unknown
2 days agoAdded to watch — era: Auth-gated

Get your badge

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

Markdown

[![mcpmetrics](https://mcpmetrics.io/badge/io.github.reply-io/reply-mcp/era.svg)](https://mcpmetrics.io/servers/io-github-reply-io-reply-mcp)

HTML

<a href="https://mcpmetrics.io/servers/io-github-reply-io-reply-mcp"><img src="https://mcpmetrics.io/badge/io.github.reply-io/reply-mcp/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.