anthropic provider: honor ANTHROPIC_BASE_URL env var#292
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The anthropic provider hardcodes base_url to https://api.anthropic.com, so it can't target self-hosted gateways or Anthropic-compatible endpoints. The openai provider already honors OPENAI_BASE_URL; this brings the anthropic provider to parity. Behavior is unchanged when ANTHROPIC_BASE_URL is unset. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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I will merge and create release sometime by end of day. Thanks! |
keshprad
self-requested a review
July 22, 2026 00:49
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Coming back to this, I see another PR with comprehensive tests. Closing this in favor or #282 |
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Summary
The
anthropicprovider hardcodesbase_urltohttps://api.anthropic.comincreate_chat_model, so it can't be pointed at self-hosted gateways, corporate proxies, or Anthropic-compatible endpoints. Theopenaiprovider already honorsOPENAI_BASE_URL; this brings theanthropicprovider to parity by honoringANTHROPIC_BASE_URL(the same env var the official Anthropic SDK reads).Change
create_chat_modelreadsANTHROPIC_BASE_URLfrom the environment, falling back to the existingapi.anthropic.comdefault.Testing
Pointed the
anthropicprovider at an Anthropic-compatible Messages endpoint viaANTHROPIC_BASE_URLand confirmed scans complete with tool-use structured output; the default path is unaffected when the var is unset.🤖 Generated with Claude Code