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Anthropic blocks third-party use of Claude Code subscriptions

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Re: Anthropic blocks third-party use of Claude Code subscriptions

#2
This appears to be a part of a crackdown on third-party clients using Claude Code's credentials/subscriptions but not through Claude Code.

Not surprising as this type of credential reuse is always a gray area, but weird Anthropic deployed it on a Thursday night without any warning as the inevitable shitstorm would be very predictable.

Re: Anthropic blocks third-party use of Claude Code subscriptions

#3

This appears to be a part of a crackdown on third-party clients using Claude Code's credentials/subscriptions but not through Claude Code. Not surprising as this type of credential reuse is always a gray area, but weird Anthropic deployed it on a Thursday night without any warning as the inevitable shitstorm would be very predictable.

They're losing money on every inference, so of course they want as many banned users as they can get away with.

Re: Anthropic blocks third-party use of Claude Code subscriptions

#4
No. Do you realize how much of a joke Claude code is? Under the hood. How they implemented client auth?

Well let me tell you

https://github.com/anomalyco/opencode/blob/dev/packages/open...

You literally send your first message “you are Claude code”

The fact that this ever worked was insane.

Headline is more like anthropic vibes a bug and finally catches it.

Re: Anthropic blocks third-party use of Claude Code subscriptions

#5
I’m not surprised they closed the loophole, it always felt a little hacky using an Anthropic monthly sub as an API with a spoofed prompt (“You are Claude Code, Anthropic's official CLI for Claude”) with OpenCode.

Google will probably close off their Antigravity models to 3P tools as well.

Re: Anthropic blocks third-party use of Claude Code subscriptions

#7

This appears to be a part of a crackdown on third-party clients using Claude Code's credentials/subscriptions but not through Claude Code. Not surprising as this type of credential reuse is always a gray area, but weird Anthropic deployed it on a Thursday night without any warning as the inevitable shitstorm would be very predictable.

Yes, it appears they've been cracking down elsewhere as well: https://github.com/charmbracelet/crush/pull/1783

Are they really that strapped already? It took Netflix like 20 years before they began nickel and diming us.. with Anthro it's starting after less than 20 months in the spotlight.

I suspect it's really about control and the culture of Anthropic, rather than only finances. The message is: no more funtime, use Claude CLI, pay a lot for API tokens, or get your account banned.

Re: Anthropic blocks third-party use of Claude Code subscriptions

#8

This appears to be a part of a crackdown on third-party clients using Claude Code's credentials/subscriptions but not through Claude Code. Not surprising as this type of credential reuse is always a gray area, but weird Anthropic deployed it on a Thursday night without any warning as the inevitable shitstorm would be very predictable.

They've added this change at the same time they added random trick prompts to try and get you hit enter on the training opt in from late last year. I've gotten three popups inside claude code today at random times trying to trick me into having it train my data with a different selection defaulted than I've already chosen.

(edit 4 times now just today)

Re: Anthropic blocks third-party use of Claude Code subscriptions

#9
Meanwhile, OpenAI co-signs https://github.com/steipete/oracle which lets you use your ChatGPT subscription to gain programmatic/agentic access to 5.2 Pro via automating browser access to the web frontend. Karpathy and other leaders have praised this feature on X.

If that is indeed so welcome, imagine what else you could script via their website to get around Codex rate limits or other such things.

After all what coud be so different about this than what browsers like Atlas do already

Re: Anthropic blocks third-party use of Claude Code subscriptions

#10
post #3

This appears to be a part of a crackdown on third-party clients using Claude Code's credentials/subscriptions but not through Claude Code. Not surprising as this type of credential reuse is always a gray area, but weird Anthropic deployed it on a Thursday night without any warning as the inevitable shitstorm would be very predictable.

They're losing money on every inference, so of course they want as many banned users as they can get away with.

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