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3 pages for claude_code_attribution_header.
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Claude Code changelog
Claude Code CLI · in the page
changelog
…on every tool call for users who disable the attribution header via `CLAUDE_CODE_ATTRIBUTION_HEADER` (direct Anthropic API connections) * Fixed `/model` rejecting Sonnet/Opus 1M for claude.ai subsc…
Environment variables
Claude Code CLI · in the page
env-vars
…| | `CLAUDE_CODE_ATTRIBUTION_HEADER` | Set to `0` to omit the [attribution block](/docs/en/llm-gateway-protocol#…
Gateway protocol reference
Claude Code CLI · in the page
llm-gateway-protocol
…e system prompt. * If your gateway must reshape system content, set [`CLAUDE_CODE_ATTRIBUTION_HEADER=0`](/docs/en/env-vars) so Claude Code omits the block. Anthropic and the cloud providers' Claude en…