# MCP credential lifecycle exercise

The two .example.toml excerpts use documented Codex keys with enabled=false and a reserved example.invalid URL. They are inert teaching files, not operational configuration. Do not activate or import them. The value is explicitly fake and no server or API call is made.

Compare embedded-value.example.toml and named-reference.example.toml, then use artifact-register.csv to review the actual artifact types in your approved process. Do not put real credentials into this pack. Removing a value from one example is not proof that all copies were found. Follow current client documentation for any real configuration or cleanup.

## Guide and sources

Canonical guide: https://aona.ai/resources/guides/mcp-credentials-config-transcripts/
Source review: 2026-09-21
- OpenAI: Configuration reference: https://learn.chatgpt.com/docs/config-file/config-reference
- Claude Code: MCP connections: https://code.claude.com/docs/en/mcp

The paired diagnostic-before.txt and diagnostic-reviewed.txt files show a fake value leaking into a troubleshooting excerpt and the minimum reviewed counterpart. They are authored examples, not logs from a tool or output from an automatic scrubber. Keep the useful status and connection label while removing the unnecessary value, and review other copies separately.