JohanCodinha/nrepl-mcp-server
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A Model Context Protocol (MCP) server designed for MCP clients, such as Claude Desktop or CLine in VSCode.
Tools
Functions exposed to the LLM to take actions
connect
Connect to an nREPL server. Example: (connect {:host "localhost" :port 1234})
eval_form
Evaluate Clojure code in a specific namespace or the current one. Examples:
- Define and call a function: {"code": "(defn greet [name] (str "Hello, " name "!"))(greet "World"))"}
- Reload code: {"code": "(clj-reload.core/reload)"}
- Evaluate in a specific namespace: {"code": "(clojure.repl.deps/sync-deps)", "ns": "user"}
get_ns_vars
Get all public vars (functions, values) in a namespace with their metadata and current values. Example:
- List main namespace vars: (get_ns_vars {:ns "main"}) Returns a map where keys are var names and values contain:
- :meta - Metadata including :doc string, :line number, :file path
- :value - Current value of the var
Prompts
Interactive templates invoked by user choice
No prompts
Resources
Contextual data attached and managed by the client
nREPL Connection Status
URI: nrepl://status
MIME: application/json
Returns the current nREPL connection status including port and session information
Project Namespaces
URI: nrepl://namespaces
MIME: application/json
Returns a list of all namespaces in the current project
