catalog

connects

avva.chat

Search Avva for an expert, then connect their model - judgment from real past decisions.

https://avva.chat/mcp-catalogWebsiteOAuthMCP 2025-11-25v1.0.0last checked 19 Oct 2026spoke MCP on 100% of 88 checks (30 days)initialize in 770 ms

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

The authorization server advertises RFC 7591 registration, so Claude Code can register itself and sign you in through the browser.

claude mcp add --transport http chat-avva-catalog https://avva.chat/mcp-catalog

Claude Code docs · read on 2026-08-30

✓Claude (claude.ai & Desktop)Connects

The authorization server advertises RFC 7591 registration, so Claude (claude.ai & Desktop) can register itself and sign you in through the browser.

Settings → Connectors → Add custom connector, then paste https://avva.chat/mcp-catalog.

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

✓ChatGPTConnects

The authorization server advertises RFC 7591 registration, so ChatGPT can register itself and sign you in through the browser.

Settings → Apps → Advanced settings → Developer mode, then create a connector pointing at https://avva.chat/mcp-catalog.

ChatGPT docs · read on 2026-08-30

✓CursorConnects

The authorization server advertises RFC 7591 registration, so Cursor can register itself and sign you in through the browser.

{
  "mcpServers": {
    "chat-avva-catalog": {
      "url": "https://avva.chat/mcp-catalog"
    }
  }
}

Cursor docs · read on 2026-08-30

✓VS Code (Copilot)Connects

The authorization server advertises RFC 7591 registration, so VS Code (Copilot) can register itself and sign you in through the browser.

{
  "servers": {
    "chat-avva-catalog": {
      "type": "http",
      "url": "https://avva.chat/mcp-catalog"
    }
  }
}

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

How to authenticate

Checked against the endpoint by our probe on 19 Oct 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme	OAuth
Issuer	https://avva.chat
Dynamic client registration	✓Advertised (RFC 7591)
Client ID Metadata Document	✕Not advertised
PKCE	✓S256
Grant types	authorization_code
Scopes	mcp
Protected-resource metadata	✓Published (RFC 9728)
Anonymous access	Handshake succeeds; 2 tools listable
Documentation	https://avva.chat/studio

What the probe found

2 tools usable without signing in

The server exposes a public surface before authorization: search, fetch.

Tools

fetchsearch

Contract history

24 Sep 2026v1.0.01 compatible

12 Sep 2026v1.0.01 cosmetic

4 Sep 2026v1.0.0first recorded contract

Watch this server

Save its public contract as a baseline and manage breaking-change email alerts.

Set up a watch

Own this server?

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](https://mcpi.app/servers/chat-avva-catalog/badge.svg)](https://mcpi.app/servers/chat-avva-catalog)