Pyright (daedalus)

MCP server that exposes Pyright language server functionality

PyPI Python Ruff

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