Anthropic Claude Code HERMES.md billing flaw: Difference between revisions

Publish renamed article focused exclusively on HERMES.md billing flaw
 
m Capitalised Git. I'm much more happy with this one being technical as its scope is that issue specifically
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|Description=A flaw in Claude Code triggered by the string "HERMES.md" in git commit messages bypassed subscriptions and charged direct API fees.
|Description=A flaw in Claude Code triggered by the string "HERMES.md" in git commit messages bypassed subscriptions and charged direct API fees.
}}
}}
'''Anthropic Claude Code HERMES.md billing flaw''' was a technical defect in Anthropic's Claude Code product that bypassed flat-rate subscription plans to charge users direct API fees. In April 2026, a flaw triggered by the exact string "HERMES.md" in a user's git commit history routed subscribers directly to pay-as-you-go billing, charging one account over $200.<ref name="github_hermes">{{Cite web |url=https://github.com/anthropics/claude-code/issues/53262 |title=HERMES.md in git commit messages causes requests to route to extra usage billing instead of plan quota #53262 |author=sasha-id |website=GitHub |date=2026-04-25 |access-date=2026-04-26}}</ref>
'''Anthropic Claude Code HERMES.md billing flaw''' was a technical defect in Anthropic's Claude Code product that bypassed flat-rate subscription plans to charge users direct API fees. In April 2026, a flaw triggered by the exact string "HERMES.md" in a user's Git commit history routed subscribers directly to pay-as-you-go billing, charging one account over $200.<ref name="github_hermes">{{Cite web |url=https://github.com/anthropics/claude-code/issues/53262 |title=HERMES.md in git commit messages causes requests to route to extra usage billing instead of plan quota #53262 |author=sasha-id |website=GitHub |date=2026-04-25 |access-date=2026-04-26}}</ref>


== HERMES.md billing switch ==
== HERMES.md billing switch ==