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avva-catalog

https://avva.chat/mcp-catalog

answers a handshake

Registry name
chat.avva/catalog
Reports itself as
avva-catalog 1.0.0
Protocol version
2025-06-18
Transport
streamable-http
HTTP status
200
Latency
534 ms
Tools
2
Checked
2026-09-06T02:51:48Z

Tools it reports

Check it yourself

curl -s -X POST https://avva.chat/mcp-catalog \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"you","version":"0"}}}'