Summary
Wraps the Pyright language server to give Claude type checking and code intelligence for Python. You get seven tools: check_types for catching type errors, get_hover for inspecting types at a cursor position, get_completions for autocomplete suggestions, get_definition to jump to where something is defined, find_references to see all uses of a variable or function, get_document_symbols to extract classes and functions from a file, and format_code for cleaning up formatting. Useful when you need Claude to reason about Python code structure, verify type correctness, or provide intelligent suggestions without running the code itself.
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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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Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
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