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Oct 22, 2025
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docs: update changelog for integrations/mcp #2440

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Update changelog for integrations/mcp
vblagoje Oct 22, 2025
aeb2b73
Document `eager_connect` parameter in CHANGELOG
vblagoje Oct 22, 2025
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32 changes: 32 additions & 0 deletions integrations/mcp/CHANGELOG.md
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# Changelog

## [integrations/mcp-v0.9.0] - 2025-10-22

### 📚 Documentation

- Add pydoc configurations for Docusaurus (#2411)
- Fix docstrings to avoid errors in API reference generation (#2423)

### 🌀 Miscellaneous

- Add MCPTool/MCPToolset warm_up (#2384)
- Added `eager_connect` parameter to `MCPTool` and `MCPToolset` (default: `False`).

**When `eager_connect=False` (default)**:
- Connection deferred until first use or `warm_up()` call
- Fast initialization, enables pipeline validation without server availability
- Recommended for most use cases

**When `eager_connect=True`**:
- Connects immediately during initialization
- Fail-fast validation, tool schema available immediately
- Use when you need upfront validation
- Existing agent/pipelines should set `eager_connect=True` to keep the behaviour from previous releases

```python
# Lazy connection (default)
tool = MCPTool(name="weather", server_info=info)

# Eager connection
tool = MCPTool(name="weather", server_info=info, eager_connect=True)
```
- See related https://github.com/deepset-ai/haystack/pull/9856 for more details

## [integrations/mcp-v0.8.0] - 2025-10-14

### 🐛 Bug Fixes
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