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The Grey Mirror MCP server

Which MCP servers are The Grey Mirror's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-31

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Whose server it is
  • Addresshttps://thegreymirror.com/mcpnot in the official registry: answered when asked

No entry in the official MCP registry names this server. It answered on thegreymirror.com when the Atlas asked at the address servers are usually mounted on, so it is the vendor's own. Clients and catalogues that list servers from the registry do not show it.

When we asked itchecked 2026-10-31
  • Stateanswerschecked 2026-10-31
  • Tools9
  • Server calls itselfjustlayme-grey-mirror
  • Server version0.1.0
  • Protocol version2025-06-18

On 2026-10-31 the server answered initialize and tools/list without a sign-in. First answer in 126 ms.

Should an agent connect itNot proven either way yet
  • Whether its tools do the product's job has not been judged yet.
  • Checked on 4 of the 7 days it takes to judge reliability.

Once connected

  • Parameters are untyped or undescribed in 9 of 9 tools: check arguments before calling.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 4, the first on 2026-10-31
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 4 so far
  • Answeredmeasuring4 of the 7 daily checks it takes to print a share
  • Median first answer315 ms
  • Space in an agent's context≈ 958 tokensthe definitions of all its tools (9), which an agent carries on every turn
  • Tool definitionsB · 83 of 100
  • Typed results9 of 9 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 9 of 9

What an agent can do with it

  • not sure · measure reply timing shifts across a full message history
  • not sure · check who starts conversations and who follows up
  • not sure · find unrepaired conflict loops in a long text thread

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers9 tools · read 2026-10-31
  • open_grey_mirror

    Return a safe JustLayMe link for Grey Mirror, methodology, sample, metrics, privacy, trust, terms, contact, or an owned job.

  • explain_grey_mirror

    Explain how Grey Mirror reads exported relationship conversations for measured communication patterns, evidence, and confidence scope.

  • list_supported_exports

    List safe Grey Mirror upload formats and platform export notes without requesting private conversation text in ChatGPT.

  • explain_export_steps

    Give high-level message export preparation steps and route sensitive files to the JustLayMe Grey Mirror upload flow.

  • show_sample_report

    Show a de-identified public Grey Mirror sample report so people can understand the report structure and metrics.

  • explain_metric

    Explain a Grey Mirror metric in plain language with interpretation guidance and evidence scope.

  • get_grey_mirror_job_status

    Check safe progress fields for a Grey Mirror job owned by the linked JustLayMe account.

  • get_existing_report_summary

    Return a compact safe summary for an existing Grey Mirror report when current JustLayMe access allows it.

  • compare_existing_reports

    Compare two existing Grey Mirror reports owned by the linked JustLayMe account when current access allows it.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "thegreymirror": {
      "type": "http",
      "url": "https://thegreymirror.com/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http thegreymirror https://thegreymirror.com/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://thegreymirror.com/mcp as a custom connector in the settings.

OpenAPI spec

4 paths, read 2026-10-31. Open the spec ↗

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.