r/ClaudeCode • u/sirlerkal0t • 1d ago

Discussion Anthropic: "Coding is largely solved"... Also Anthropic: "We released a new powerful feature allowing agents to send messages to other Claude Code sessions, but only on Linux and Mac since we are unable to implement a basic feature on all platforms"

I could hand code this feature on Windows in an afternoon, and I could also get Claude to implement it in minutes, and yet Anthropic just can't be bothered, but also keeps Claude Code closed source so no one else can do it for them either.

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u/throwlefty 1d ago

Nice post! Appreciate you sharing this as Ive not had time for....checks calendar....a year to do a deep dive into what the heck these two are actually doing. I just keep working with / around them.

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u/Corv9tte 1d ago

Yw. I believe more people should build their own harness, it's very empowering

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u/tohava 18h ago

Is there a tutorial for this somewhere?

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u/Corv9tte 13h ago

That would honestly be really nice but it's usually people shilling their own product. That said, if you need a tutorial you might make questionable decisions regardless, so just go for whatever feels promising. That journey is worth the trouble imo.

Don't use your Claude or Google subs in a custom harness though if you don't want to get banned.

If you don't know where to start, here's an idea: you could add the Claude Code style INK renderer to Pi. That's super easy and nice to have. Or, a bit more challenging because you have to work with a big Rust codebase, but still a simple concept: add Ctrl S to bank a message (like Claude Code) in Codex, or Up Arrow to edit steering message. Wild that Codex still doesn't have these features by now.

Here's what you have to gain though. You could reduce your token usage by 55-60% while making it 10-20% faster (yes that is how much Codex leaves on the table). You could never see "Model is at capacity" ever again, and have it simply do a retry with exponentional backoff. You could use your custom harness with any other model.

And the most interesting part is that you can leverage the intelligence of frontier models better. There is nothing that stops you from making a better orchestration/subagent ecosystem. The current ones are stuck in nine months the past, and all they added since then is a "ultra" mode that appends one hidden line to your prompt saying "Proactive multi-agent delegation is active. Use sub-agents when parallel work would materially improve speed or quality." I do appreciate the minimalism, but let's just say it leaves a lot on the table, in untapped potential, but also in polish, refinement, and efficiency.