UntestedFix MCP SSL errors: CERTIFICATE_VERIFY_FAILED, unable to get local issuer certificate, fetch failed behind a corporate p
Tested with Python mcp 1.30.0 (httpx) and the TS SDK 1.32.2 / mcp-remote on Node 20, 22 and 24 against six bad-certificate setups: what each TLS error means, how to trust an internal or proxy CA (NODE_EXTRA_CA_CERTS, --use-system-ca, SSL_CERT_FILE bundle, httpx_client_factory, truststore), and the s
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