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ARVX MCP server

Which MCP servers are ARVX'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 2026-10-27

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Whose server it is
  • Registry nameai.arvx/arvxverified in the MCP registry

The registry name sits under arvx.ai. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-27
  • Stateanswerschecked 2026-10-27
  • Tools3
  • Server calls itselfarvx
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-10-27 the server answered initialize and tools/list without a sign-in. First answer in 194 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 1 of the 7 days it takes to judge reliability.

Once connected

  • For "get a health score for a pair of contacts", the likely first call is arvx_run_reading.
  • Parameters are untyped or undescribed in 1 of 3 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: 1, the first on 2026-10-27
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 1 so far
  • Answeredmeasuring1 of the 7 daily checks it takes to print a share
  • Median first answer168 ms
  • Space in an agent's context≈ 1,317 tokensthe definitions of all its tools (3), which an agent carries on every turn
  • Tool definitionsA · 94 of 100
  • Typed results0 of 3 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 1 of 3

What an agent can do with it

  • can do · get a health score for a pair of contacts
  • not sure · flag likely shifts between two people with next steps
  • not sure · let an agent run its first reading unassisted

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 offers3 tools · read 2026-10-27
  • arvx_get_access

    How to get access to ARVX: the signup link to give the person, what they must do themselves, the price, and how to add their key to this connector. Call this when there is no key, or when the person asks how to start. Costs nothing.

  • arvx_run_reading

    Run a Reading on two people from the emails between them. Send at least 3 emails written by the user and 3 by the other person, oldest first. From the second Reading on a pair, send the record from the last Reading exactly as it was…

  • arvx_record_summary

    When someone asks what is held about them: returns every item in a saved record in plain words. Needs the record and both people's emails. Never uses up a Reading; 10 a month per account.

How to connect

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

{
  "mcpServers": {
    "arvx": {
      "type": "http",
      "url": "https://mcp.arvx.ai/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http arvx https://mcp.arvx.ai/mcp

Add to CursorAdd to VS Code

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

OpenAPI spec

2 paths, read 2026-10-27. 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.