agent: add mcp tools helpers#354
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edis-uipath merged 1 commit intomainfrom Dec 17, 2025
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Pull request overview
This PR adds MCP (Model Context Protocol) tools helpers to enable integration with UiPath-hosted MCP servers. The implementation provides async context management for connecting to multiple MCP servers with controlled concurrency and automatic cleanup.
Key Changes:
- Added
create_mcp_tools()async context manager to connect to UiPath MCP servers and load LangChain-compatible tools - Introduced dependencies:
mcp>=1.24.0andlangchain-mcp-adapters>=0.2.1 - Added custom linting script and GitHub workflow step to enforce proper
httpx.Client()usage patterns
Reviewed changes
Copilot reviewed 6 out of 7 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
src/uipath_langchain/agent/tools/mcp_tool.py |
New module implementing MCP server connection and tool loading with concurrency control and deduplication |
src/uipath_langchain/agent/tools/__init__.py |
Export the new create_mcp_tools function |
pyproject.toml |
Added mcp and langchain-mcp-adapters dependencies |
uv.lock |
Lock file updates for new dependencies (cffi, cryptography, mcp, etc.) |
scripts/lint_httpx_client.py |
New AST-based linter to enforce get_httpx_client_kwargs() usage |
.github/workflows/lint.yml |
Added linting step for httpx.Client() usage |
.github/copilot-instructions.md |
Documentation on proper httpx client initialization patterns |
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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Added a helper that creates langchain tools from a mcp server
It receives a list of mcp configuration objects of servers hosted in UiPath and connect to them to load the tools with a max degree of parallelism of 5 during initialization. Handles the cleanup with AsyncExitStack.
This PR adds MCP (Model Context Protocol) tools helpers to enable integration with UiPath-hosted MCP servers. The implementation provides async context management for connecting to multiple MCP servers with controlled concurrency and automatic cleanup.
Key Changes:
create_mcp_tools()async context manager to connect to UiPath MCP servers and load LangChain-compatible toolsmcp==1.24.0andlangchain-mcp-adapters==0.2.1httpx.Client()usage patterns