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UsageMax public observability

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usagemax.com

Read-only MCP for AI usage profiles, leaderboards, stats, and docs; no writes or private data.

https://usagemax.com/mcpWebsiteOAuthMCP 2025-06-18v1.0.0last checked 1 Nov 2026spoke MCP on 100% of 87 checks (30 days)initialize in 218 ms

Last checked 1 Nov 2026

  • ✓Answered the MCP handshake (MCP 2025-06-18)
  • ✓Auth detected: OAuth
  • ✓Lists 4 tools
  • ✓No blockers or warnings
  • ✓Spoke MCP on 87 of 87 checks (30 days)

Will my client connect?

Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.

✓Claude CodeConnects with setup

Neither RFC 7591 registration nor a Client ID Metadata Document is advertised, so register a client with the issuer yourself and give Claude Code the client ID.

claude mcp add --transport http --client-id <your-client-id> --client-secret --callback-port 8080 usagemax-public-observability https://usagemax.com/mcp

Claude Code docs · read on 2026-08-30

✓Claude (claude.ai & Desktop)Connects with setup

Neither RFC 7591 registration nor a Client ID Metadata Document is advertised, so register a client with the issuer yourself and give Claude (claude.ai & Desktop) the client ID.

Settings → Connectors → Add custom connector, then paste https://usagemax.com/mcp. Under Advanced settings, enter the OAuth Client ID and Secret the issuer gave you.

Claude (claude.ai & Desktop) docs · read on 2026-08-30

✕ChatGPTNot supported

Registering a client by hand is not a flow ChatGPT documents, and this server advertises none that it does.

ChatGPT docs · read on 2026-08-30

✓CursorConnects with setup

Neither RFC 7591 registration nor a Client ID Metadata Document is advertised, so register a client with the issuer yourself and give Cursor the client ID.

{
  "mcpServers": {
    "usagemax-public-observability": {
      "url": "https://usagemax.com/mcp"
    }
  }
}

Cursor docs · read on 2026-08-30

✓VS Code (Copilot)Connects with setup

Neither RFC 7591 registration nor a Client ID Metadata Document is advertised, so register a client with the issuer yourself and give VS Code (Copilot) the client ID.

{
  "servers": {
    "usagemax-public-observability": {
      "oauth": {
        "clientId": "<your-client-id>"
      },
      "type": "http",
      "url": "https://usagemax.com/mcp"
    }
  }
}

VS Code (Copilot) docs · read on 2026-08-30

How to authenticate

Checked against the endpoint by our probe on 1 Nov 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme
OAuth
Issuer
https://wholesome-car-48.authkit.app
Dynamic client registration
✕Not advertised

A client that cannot register itself needs credentials issued out of band before it can begin the flow.

Client ID Metadata Document
✕Not advertised
PKCE
✓S256
Grant types
authorization_code, refresh_token, urn:ietf:params:oauth:grant-type:device_code
Scopes
email, offline_access, openid, profile
Protected-resource metadata
✓Published (RFC 9728)
Anonymous access
Handshake succeeds; 4 tools listable
Documentation
https://usagemax.com/auth.md

What the probe found

No CORS headers for browser-based clients

A cross-origin preflight came back without Access-Control-Allow-Origin, so the endpoint is reachable from native clients only — code running in a web page is stopped by the browser before a request is ever sent.

4 tools usable without signing in

The server exposes a public surface before authorization: public_profile, leaderboard, network_stats, ask_site.

No server card

Neither the reserved <endpoint>/server-card location nor the domain's /.well-known/ai-catalog.json describes this endpoint (SEP-2127), so a client that discovers servers by domain will not find it.

Tools

ask_siteleaderboardnetwork_statspublic_profile

Contract history

20 Sep 2026v1.0.01 compatible2 cosmetic
19 Sep 2026v1.0.04 compatible
16 Sep 2026v1.0.0first recorded contract

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Status badge

Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.

MCP status badge for UsageMax public observability
[![MCP status](https://mcpi.app/servers/usagemax-public-observability/badge.svg)](https://mcpi.app/servers/usagemax-public-observability)