Elisp Dev Mcp

What is Elisp Dev Mcp?

Elisp Dev Mcp is a Model Context Protocol server that provides tools for querying Emacs Lisp documentation, source code, and metadata. It is designed for developers working with Elisp in an Emacs environment.

How to use Elisp Dev Mcp?

Install and configure the server in an MCP-compatible client, then invoke one of the provided Elisp development tools by name.

Key features of Elisp Dev Mcp?

• Describe Elisp function with extra metadata
• Get Elisp source definition of a function
• Describe Elisp variable excluding its value
• Look up Info documentation for a symbol
• Read whole Elisp source file (limited scope)

Use cases of Elisp Dev Mcp?

• Debugging Elisp function behavior by examining its source and documentation
• Exploring variable metadata without exposing sensitive values
• Finding and reading Info documentation for Elisp symbols
• Analyzing Elisp code from source files in site or user ELPA directories

FAQ from Elisp Dev Mcp

Does the server expose variable values?

No, describing a variable explicitly excludes its value to avoid leaking sensitive data.

Where does the server read source files from?

It reads from the site installation and the user’s ELPA directories only.

How can I get the definition of a function?

Use the elisp-get-function-definition tool to obtain the Elisp source of a function.

What information does elisp-describe-variable provide?

It returns metadata about an Elisp variable, but not its actual value.

What is the scope of elisp-read-source-file?

It is limited to source files located in the site installation and the user’s ELPA.