Release v1.21.0 · huggingface/smolagents

Enhancements ✨

Tool & Model Improvements
- Add Tool to_code_prompt and to_tool_calling_prompt by @albertvillanova in #1599
- Improve function body extraction in tools by @HairlessVillager in #1627
- Support passing model_kwargs to TransformersModel by @albertvillanova in #1608
- Support dict messages as direct input to models by @albertvillanova in #1570
Executor Improvements
- Enhance LocalPythonExecutor security by blocking dunder calls by @nnfrog in #1551
- Fix continue semantics of LocalPythonExecutorby @adaminsky in #1645
- Fix GeneratorExp in LocalPythonExecutor to return Generator instead of list by @albertvillanova in #1650
Gradio & UI
- Reset agent memory on GradioUI clear button by @albertvillanova in #1611
- Use gr.Number for mapping integer and number type components in launch_gradio_demo by @karenwky in #1320

Fix: Prevent empty additional_args from being added to agent prompt by @jokokojote in #1566
Fix SyntaxError in generated Gradio app due to 'class' attribute by @albertvillanova in #1615
Fix serialization inconsistency in MultiStepAgent.to_dict/from_dict for managed_agents by @hazrmard in #1577
Fix a kwargs error in LocalPythonExecutor by @aymeric-roucher in #1583
Fix structured outputs by @MicrosoftJames in #1642
Fix bug where AmazonBedrockServerModel crashes in thinking mode by @benoriol in #1632
Fix: Remove duplicate line in tool_calling_agent prompt by @yusuf-eren in #1636
Fix: RemotePythonExecutor should not send variables if none exist by @thomasjpfan in #1605
Disable parallel tool calls for final answer by @aymeric-roucher in #1539

Improve Installation docs with uv option by @albertvillanova in #1550
Fix and improve MCP server security warnings in docs by @albertvillanova in #1549
DOC: Fix image link for docs (secure_code_execution.md) by @FacerAin in #1582
Update title of page "What are agents" by @aymeric-roucher in #1546
Enable multilingual docs by @albertvillanova in #1633
🌐 [i18n-KO] Translated index.md to Korean by @FacerAin in #1581
🌐 [i18n-KO] Translated text_to_sql.md to Korean by @nsbg in #1603

Pin mcpadapt to support image/audio content by @albertvillanova in #1558
Temporarily skip wrongly implemented tests by @albertvillanova in #1571
CI hotfix: Pin mlx < 0.26.5 by @albertvillanova in #1586
Support mlx-0.26.5 by @albertvillanova in #1589
CI hotfix: Pin transformers < 4.54.0 by @albertvillanova in #1620
Support transformers 4.54.0 by @albertvillanova in #1625
Fix CI PytestUnknownMarkWarning: Unknown pytest.mark.timeout by @albertvillanova in #1630
Fix CI quality: remove trailing whitespace by @albertvillanova in #1617

Replace deprecated ast.Num and ast.Str with ast.Constant in tool validation by @WilliamRabuel in #1594
Remove deprecated grammar parameter by @albertvillanova in #1651
Remove deprecated token count attributes by @albertvillanova in #1652
Remove deprecated agent logs attribute by @albertvillanova in #1653
Remove mention of deprecated ManagedAgent from docs by @albertvillanova in #1655
Remove deprecated default sse transport by @albertvillanova in #1656
Replace duckduckgo_search with ddgs to address package rename warning by @WilliamRabuel in #1593
Remove unused is_same_item function by @albertvillanova in #1631
Remove unnecessary import by @rahul-1729 in #1639
Simplify _is_package_available by @albertvillanova in #1641

Add support for Amazon Bedrock API Keys by @colesmcintosh in #1612
Factorize create_agent_gradio_app_template function by @albertvillanova in #1616
Fix: Allow passing integers for floats by @aymeric-roucher in #1623
Fix Tool.forward to raise NotImplementedError instead of returning by @HairlessVillager in #1628
Make validate_tool_arguments raise instead of returning error string by @albertvillanova in #1634
Remove mention of python in additional args by @aymeric-roucher in #1584
ToolCallingAgent: remove unnecessary addition to model_output by @aymeric-roucher in #1622
Minor fix in toolCallingAgentPrompt by @rahul-1729 in #1574

Full Changelog: v1.20.0...v1.21.0