fix: Parse maas models for gcp vertex provider#5816
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Pull Request Overview
This PR adds support for parsing Google MaaS (Model as a Service) models from Model Garden, such as "qwen3-coder-480b-a35b-instruct-maas". The changes introduce a new MaaS variant to handle these models and route them to use the Google API format.
Key changes:
- Added
MaaSvariant toGcpVertexAIModelandModelProviderenums to represent Model Garden models - Implemented parsing logic for models ending in "-maas" suffix, extracting publisher information
- Routed MaaS models to use "generateContent" endpoint and Google request/response format
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| crates/goose/src/providers/formats/gcpvertexai.rs | Adds MaaS enum variant, parsing logic for "-maas" suffix models, and routes them to Google format handlers |
| crates/goose/src/providers/gcpvertexai.rs | Adds MaaS case to endpoint selection and updates tests for new ModelProvider return type |
michaelneale
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Nov 20, 2025
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seems better than the way it was!
wpfleger96
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Nov 20, 2025
* main: fix: Parse maas models for gcp vertex provider (#5816)
michaelneale
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Nov 24, 2025
* main: (48 commits) [fix] generic check for gemini compat (#5842) Add scheduler to diagnostics (#5849) Cors and token (#5850) fix sessions coming back with empty messages (#5841) markdown export from URL (#5830) Next camp refactor live (#5706) Add out of context compaction test via error proxy (#5805) fix: Add backward compatibility for conversationCompacted message type (#5819) Add /agent/stop endpoint, make max active agents configurable (#5826) Handle 404s (#5791) Persist provider name and model config in the session (#5419) Comment out the flaky mcp callers (#5827) Slash commands (#5718) fix: remove setx calls to not permanently edit the windows shell PATH (#5821) fix: Parse maas models for gcp vertex provider (#5816) fix: support Gemini 3's thought signatures (#5806) chore: Add Adrian Cole to Maintainers (#5815) [MCP-UI] Proxy and Better Message Handling (#5487) Release 1.15.0 Document New Window menu in macOS dock (#5811) ...
BlairAllan
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Nov 29, 2025
Signed-off-by: Blair Allan <Blairallan@icloud.com>
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Summary
Fix parse error instantly killing goose from parsing models like: qwen3-coder-480b-a35b-instruct-maas
I don't have a working gcp vertex provider config so this just gets me into an auth error (but at least past the parsing error). I'm not sure about the model format. I think we'll likely need to add branching based on the publisher of the model, but defaulting to google and this at least pushes things further along.
Left a TODO around that.
#4182