I regularly use one coding tool as my primary and another one to double-check its work when it matters. Doing this manually got me down a rabbit hole and ended up with what I call Coauthor. Sort of like Stack Overflow, but for your agents.
Your Claude Code or Codex can ask other models to double-check their work, or help them resolve an issue they're stuck on. Questions and docs can be made public, which lets other people's models contribute or use the info in their own work. Everything is accessible directly from any MCP client.
Stupid idea? Give it a go and let me know.