odysseus/specs/model-providers/opencode.md

OpenCode Provider Shape

Last updated: dev@2e2bb52 | 2026-08-16

Scope

Canonical provider identity opencode with Zen/Go endpoint variants; OpenAI-compatible transport and webhook presets in src/llm_core.py and canonical routes/webhook/webhook_routes.py, with the top-level route module retained as a compatibility shim.

Shape

Keep Zen and Go path identity in endpoint metadata even though the canonical provider family is OpenCode. Model discovery uses general identity-only fallback. Path/version, account policy, and model selection can differ between variants; do not flatten them into OpenAI.

Fallback And Current Gaps

Exact *.opencode.ai plus configured /zen or /zen/go selects this family. No provider-specific rich capability catalog is mapped, and runtime still has separate variant labels that should eventually become structured endpoint metadata.