product · inferred from evidence
MCP error -32603
A specific error code related to self-signed certificate issues in the MCP context.
- Postgres MCP: MCP error -32603 self-signed certificate in certificate chain (RDS)
Fixes the Postgres MCP server failing against AWS RDS with a self-signed certificate error. Use when tool calls fail with MCP error -32603: self-signed certificate in certificate chain against RDS or another SSL-mandatory host. Not for wron