v1.3.1

What's Changed

✨ New Features

• feat: Add claude-sonnet-4.5 support by model-gating top_p by @willkill07 in #1134
• Add support for arbitrary JSON body types in custom routes by @ericevans-nv in #1163

🐛 Bug Fixes

• bug: fix non json serializable objects in config by @bbednarski9 in #1112
• fix ADK demo multi-user session by @antoniomtz in #1120
• Fixes to detect optional parameters in tool conversion used by "nat mcp serve" by @willkill07 in #1133
• Async Chat fixes by @dagardner-nv in #1131
• Fix code concatenation issue with code_execution_tool when using a Piston server by @dagardner-nv in #1154
• Fix documentation version switcher by @willkill07 in #1167

📝 Documentation Updates

• Misc Documentation Fixes by @dagardner-nv in #1136
• Document the need to install nvidia-nat-test prior to using ToolTestRunner by @dagardner-nv in #1150
• Update reasoning diagrams by @dagardner-nv in #1153
• Update Quick Start UI documentation by @ericevans-nv in #1156
• Add SECURITY.md document by @dagardner-nv in #1164
• docs: 1.3.1 changelog by @willkill07 in #1166
• Add security-considerations.md document by @dagardner-nv in #1168

Other Changes

• [RELEASE] NeMo-Agent-Toolkit v1.3.1 by @willkill07 in #1169

New Contributors

• @antoniomtz made their first contribution in #1120

Full Changelog: v1.3.0...v1.3.1