mcp-pyright
An MCP server that exposes Pyright language server functionality for Python, providing tools for type checking, code completions, and finding definitions. It enables AI models to perform static analysis and code formatting through the Model Context Protocol.
README
mcp-pyright
MCP server that exposes Pyright language server functionality
mcp-name: io.github.daedalus/mcp-pyright
Install
pip install mcp-pyright
Usage
The MCP server can be used with any MCP-compatible client. It exposes the following tools:
Type Checking
from mcp_pyright import mcp
# Run type checking
result = check_types(code="x: int = 'hello'")
Get Hover Information
# Get type information at position
result = get_hover(code="x: int = 1", position=0)
Get Completions
# Get code completions
result = get_completions(code="prin", position=4)
Get Definition
# Find definition location
result = get_definition(code="def foo(): pass\nfoo()", position=15)
Find References
# Find all references
result = find_references(code="x = 1\nx", position=5)
Get Document Symbols
# Get all symbols in document
result = get_document_symbols(code="class Foo: pass\ndef bar(): pass")
Format Code
# Format Python code
result = format_code(code="x=1\ny=2")
Development
git clone https://github.com/daedalus/mcp-pyright.git
cd mcp-pyright
pip install -e ".[test]"
# run tests
pytest
# format
ruff format src/ tests/
# lint
ruff check src/ tests/
# type check
mypy src/
License
MIT
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