claude: enable Claude Code native gateway model discovery - #347
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Set CLAUDE_CODE_ENABLE_GATEWAY_MODEL_DISCOVERY=1 in render_overlay so the /model picker lists every gateway Messages-API endpoint, not just the ANTHROPIC_DEFAULT_* family aliases. Skipped under a Model Provider Service: its routing header would send a discovered gateway id to a provider that can't resolve it. Co-authored-by: Isaac
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can you pls gate this behind an environment feature flag (see ENABLE_MANAGED_AGENT_CONFIG) so that users won't break unless they explicitly use
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Addressed the opt-in request in a5eb902. Gateway model discovery is now disabled by default and only enabled when |
lilly-luo
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Aug 20, 2026
andy-xu-db
enabled auto-merge (squash)
August 20, 2026 19:24
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/merge |
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Summary
Adds opt-in support for Claude Code's native gateway model discovery. Set
ENABLE_CLAUDE_CODE_GATEWAY_MODEL_DISCOVERY=1before launching ucode to have Claude Code's/modelpicker list every gateway Messages-API endpoint, rather than only theANTHROPIC_DEFAULT_*family aliases ucode injects today.Why
Claude Code has native gateway model discovery: when enabled, it fetches
GET {ANTHROPIC_BASE_URL}/v1/modelsand adds a picker row for each returned id (filtered to ids containingclaudeoranthropic). Keeping this behind an opt-in ucode environment flag prevents behavior changes for existing users while allowing custom Model Serving endpoints whose ids carryclaude/anthropic(for example,main.default.my_anthropic_msorsystem.ai.claude-opus-4-8) to appear and route natively as 3-part FQNs.What changed
render_overlaysetsCLAUDE_CODE_ENABLE_GATEWAY_MODEL_DISCOVERY=1only whenENABLE_CLAUDE_CODE_GATEWAY_MODEL_DISCOVERYis enabled (1,true, oryes).provider: a Model Provider Service routes every request to the external provider via header, so a discovered gateway endpoint id would reach a provider that cannot resolve it.gateway_proxy.py) forwards/v1/modelsto the gateway.Testing
test_agent_claude.pysuite passes (110 tests).This pull request and its description were written by Isaac.