pyright-lsp connects the Python (Pyright) language server to Claude Code, giving it code intelligence and diagnostics for py, .pyi files. The plugin only wires up the server; the server binary must be installed separately.
What it does
Where Pyright LSP runs and what it adds, from its documentation
Registers the pyright language server (command: pyright-langserver --stdio) via the marketplace lspServers entry
Maps file extensions to the language: .py, ..pyi
Gives Claude Code code intelligence and diagnostics for Python (Pyright) projects
When to use it
Good fit
Working in a Python (Pyright) codebase where Claude Code should use real language-server analysis
Wanting diagnostics and navigation from pyright without leaving Claude Code
Not for
Projects in other languages (it only maps the extensions listed)
Setups where you cannot install the pyright binary on PATH
How to install Pyright LSP
You need: Claude Code; pyright binary on PATH; npm, pip or pipx
Install the language server binary first (the plugin does not bundle it):
npm install -g pyright
Or: pip install pyright
Or (recommended for CLI tools): pipx install pyright
Install the plugin: /plugin install pyright-lsp@claude-plugins-official
Permissions and security
What it can access
Launches the pyright process locally and reads the project files it analyzes
Security notes from the maintainers
Marketplace README: make sure you trust a plugin before installing, updating, or using it
Review the source before granting an agent access to credentials or production systems. We document what the maintainers state; we do not audit code.
Limitations
Requires the language server to be installed separately; the plugin does not install it
