Your Browser form was using neo4j+s:// + IP, which fails without matching TLS. This server is set up for:
neo4j+s://neo4j.cuba6112.tech:7687neo4j.envNot 168.231.75.160:7687 when using neo4j+s:// — the certificate is for the hostname.
neo4j+s:// (TLS) — OK nowneo4j.cuba6112.tech:7687 — hostname, not IPneo4jneo4j+s:// + 168.231.75.160 → cert name mismatchneo4j+s:// with TLS disabled on server → handshake failneo4j+s://neo4j.cuba6112.tech:7687 → correcthttps://neo4j.cuba6112.tech/mcpAuthorization: Basic base64(neo4j:PASSWORD)get-schema, read-cypher, write-cypherService: systemctl status neo4j-mcp · docs: /docker/neo4j-feur/MCP.md