Python : Ollama Connector for Agent Framework

[nmoeller]

Motivation and Context

This pull request introduces a new Olama integration package for the Microsoft Agent Framework, allowing users to leverage Ollama-based chat models within the framework. The changes include the implementation of the agent-framework-olama package, its integration as an optional dependency, and the addition of a sample demonstrating its usage.

Screenshot of Working Samples

• Chat Completion

• Reasoning

• Multimodality

Screenshot of test coverage

Description

• Add Chat Completion
• Add Tool Calling
• Add Reasoning
• Multi Modality
• Add Unit & Integration Tests

Contribution Checklist

• The code builds clean without any errors or warnings
• The PR follows the Contribution Guidelines
• All unit tests pass, and I have added new tests where possible
• Is this a breaking change? If yes, add "[BREAKING]" prefix to the title of the PR.

[markwallace-microsoft]

Python Test Coverage Report •

File	Stmts	Miss	Cover	Missing
packages/core/agent_framework
_types.py	896	95	89%	126–127, 145–146, 281, 283, 290, 309, 349, 395–396, 438, 588, 700–701, 703, 728, 735, 752–754, 825, 830–831, 833, 840–841, 843, 865, 872, 875–877, 882–883, 889–891, 1008, 1125, 1293, 1297, 1299, 1525–1527, 1533–1534, 1751, 1756, 1806, 1811, 1815, 1819, 2029–2033, 2043, 2048, 2291, 2461, 2466, 2560–2562, 2585, 2590, 2610, 2626, 2634–2638, 2742, 2747, 2814, 2818, 2826, 2830–2832, 2932, 2936, 2940, 2944, 2947, 3001–3003, 3071, 3098, 3105
TOTAL	10188	1677	83%

Python Unit Test Overview

Tests	Skipped	Failures	Errors	Time
1237	102 💤	0 ❌	0 🔥	28.458s ⏱️

[Copilot]

Pull Request Overview

This PR introduces Ollama integration for the Microsoft Agent Framework, enabling developers to use Ollama-based chat models within the framework. The implementation includes comprehensive support for chat completion, tool calling, reasoning capabilities, and multimodal input handling.

• Adds agent-framework-ollama package with full Ollama integration
• Implements OllamaChatClient supporting streaming/non-streaming responses, tool calls, reasoning, and multimodal inputs
• Extends core framework with reasoning property support across chat response types

Reviewed Changes

Copilot reviewed 16 out of 18 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
python/packages/ollama/agent_framework_ollama/_chat_client.py	Core Ollama chat client implementation with message conversion and response handling
python/packages/core/agent_framework/_types.py	Adds reasoning property to ChatMessage, ChatResponse, and ChatResponseUpdate classes
python/packages/ollama/pyproject.toml	Package configuration for agent-framework-ollama with dependencies and build settings
python/packages/ollama/tests/test_ollama_chat_client.py	Comprehensive unit and integration tests for the Ollama chat client
python/samples/getting_started/agents/ollama/ollama_agent_basic.py	Sample demonstrating basic agent usage with tool calling
python/samples/getting_started/agents/ollama/ollama_agent_reasoning.py	Sample demonstrating reasoning capabilities
python/samples/getting_started/multimodal_input/ollama_chat_multimodal.py	Sample demonstrating multimodal image analysis
python/samples/getting_started/chat_client/ollama_chat_client.py	Sample demonstrating direct chat client usage

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