Integrations
Provides an interactive Python REPL environment where code can be executed in persistent sessions, with each session maintaining separate state and preserving execution history.
python_local MCP Server
An MCP Server that provides an interactive Python REPL (Read-Eval-Print Loop) environment.
Components
Resources
The server provides access to REPL session history:
- Custom
repl://
URI scheme for accessing session history - Each session's history can be viewed as a text/plain resource
- History shows input code and corresponding output for each execution
Tools
The server implements one tool:
python_repl
: Executes Python code in a persistent session- Takes
code
(Python code to execute) andsession_id
as required arguments - Maintains separate state for each session
- Supports both expressions and statements
- Captures and returns stdout/stderr output
- Takes
Configuration
Install
Claude Desktop
On MacOS: ~/Library/Application\ Support/Claude/claude_desktop_config.json
On Windows: %APPDATA%/Claude/claude_desktop_config.json
Development
Building and Publishing
To prepare the package for distribution:
- Sync dependencies and update lockfile:
- Build package distributions:
This will create source and wheel distributions in the dist/
directory.
- Publish to PyPI:
Note: You'll need to set PyPI credentials via environment variables or command flags:
- Token:
--token
orUV_PUBLISH_TOKEN
- Or username/password:
--username
/UV_PUBLISH_USERNAME
and--password
/UV_PUBLISH_PASSWORD
Debugging
Since MCP servers run over stdio, debugging can be challenging. For the best debugging experience, we strongly recommend using the MCP Inspector.
You can launch the MCP Inspector via npm
with this command:
Upon launching, the Inspector will display a URL that you can access in your browser to begin debugging.
This server cannot be installed
local-only server
The server can only run on the client's local machine because it depends on local resources.
Provides an interactive Python REPL environment that maintains persistent session state, allowing users to execute Python code and access session history.
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