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rig-core-v0.35.0

0xPlaygrounds/rigrig-core-v0.35.0Apr 13, 2026by github-actions[bot]

AI Summary

A major update to the core library introducing llama.cpp tool support, various bug fixes for tool servers and streaming, and new model support.

Key Highlights

  • Added support for handling llama.cpp tool calls.
  • Added a ModelLister for Ollama, Anthropic, Mistral, OpenAI, and Gemini.
  • Added support for GPT-4o image 1.5.
  • Refactored legacy Anthropic constants.

Breaking Changes

  • Migrated examples to integration tests.

New Features

  • Handle llama.cpp tool call

Full Release Notes

### Added

- *(rig-1197)* handle llama.cpp tool call ([#1408](https://github.com/0xPlaygrounds/rig/pull/1408)) ([#1409](https://github.com/0xPlaygrounds/rig/pull/1409)) (by @inqode-lars)

### Fixed

- *(#1604)* delay response_format on initial tool turns  (#1622) (by @gold-silver-copper)
- reduce `ToolServer` contention during tool lookup and execution ([#1607](https://github.com/0xPlaygrounds/rig/pull/1607)) (by @isSerge) - #1607
- *(streaming)* preserve tool call history, deduplicate prompt ([#1590](https://github.com/0xPlaygrounds/rig/pull/1590)) (by @gold-silver-copper)
- *(openai)* capture ResponseFailed errors in stream mode ([#1582](https://github.com/0xPlaygrounds/rig/pull/1582)) (by @gabrielrondon)

### Other

- (refactor): replace legacy Anthropic constants  ([#1616](https://github.com/0xPlaygrounds/rig/pull/1616)) (by @gold-silver-copper) - #1616
- Add ModelLister for Ollama, Anthropic, Mistral, OpenAI, Gemini ([#1587](https://github.com/0xPlaygrounds/rig/pull/1587)) (by @LHelge) - #1587
- gpt image 1.5 ([#1543](https://github.com/0xPlaygrounds/rig/pull/1543)) (by @kevinastock) - #1543
- *(rig-core)* [**breaking**] migrate examples to integration tests ([#1603](https://github.com/0xPlaygrounds/rig/pull/1603)) (by @gold-silver-copper)
- Do not stringify strings during tool output ([#1608](https://github.com/0xPlaygrounds/rig/pull/1608)) (by @gold-silver-copper) - #1608
- *(rig-core)* upgrade rmcp integration to 1.3, gate tests ([#1596](https://github.com/0xPlaygrounds/rig/pull/1596)) (by @gold-silver-copper)

### Contributors

* @gold-silver-copper
* @LHelge
* @kevinastock
* @isSerge
* @inqode-lars
* @gabrielrondon