🤖 feat: allow Anthropic models to work with env vars #768
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- Remove mandatory apiKey check in providers.jsonc for Anthropic - Support ANTHROPIC_API_KEY and ANTHROPIC_AUTH_TOKEN env vars - Auto-normalize base URLs to include /v1 suffix - Return structured api_key_not_found error when no credentials exist Credential resolution order: 1. providers.jsonc anthropic.apiKey 2. ANTHROPIC_API_KEY env var (SDK reads automatically) 3. ANTHROPIC_AUTH_TOKEN env var (passed explicitly) _Generated with mux_
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ibetitsmike
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The api_key_not_found test was failing in CI because ANTHROPIC_API_KEY is set in the environment. Now we clear all Anthropic env vars during the test and restore them in cleanup.
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## Summary Enables Anthropic models to work when credentials are configured via environment variables instead of requiring explicit `providers.jsonc` configuration. ### Changes - Remove mandatory `apiKey` check in `providers.jsonc` for Anthropic provider - Support both `ANTHROPIC_API_KEY` and `ANTHROPIC_AUTH_TOKEN` env vars - Auto-normalize base URLs to include `/v1` suffix (SDK expects it) - Return structured `api_key_not_found` error when no credentials exist anywhere ### Credential Resolution Order 1. `providers.jsonc` → `anthropic.apiKey` 2. `ANTHROPIC_API_KEY` env var (SDK reads automatically) 3. `ANTHROPIC_AUTH_TOKEN` env var (passed explicitly) ### Base URL Normalization The Anthropic SDK expects base URLs to end with `/v1`. Users often configure URLs without this suffix, so we now auto-append it: - `https://api.anthropic.com` → `https://api.anthropic.com/v1` - `https://api.anthropic.com/v1` → unchanged _Generated with `mux`_
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Summary
Enables Anthropic models to work when credentials are configured via environment variables instead of requiring explicit
providers.jsoncconfiguration.Changes
apiKeycheck inproviders.jsoncfor Anthropic providerANTHROPIC_API_KEYandANTHROPIC_AUTH_TOKENenv vars/v1suffix (SDK expects it)api_key_not_founderror when no credentials exist anywhereCredential Resolution Order
providers.jsonc→anthropic.apiKeyANTHROPIC_API_KEYenv var (SDK reads automatically)ANTHROPIC_AUTH_TOKENenv var (passed explicitly)Base URL Normalization
The Anthropic SDK expects base URLs to end with
/v1. Users often configure URLs without this suffix, so we now auto-append it:https://api.anthropic.com→https://api.anthropic.com/v1https://api.anthropic.com/v1→ unchangedGenerated with
mux