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wdm0006

Mutmut MCP

by wdm0006
OverviewSchemaRelated ServersScoreDiscussions
Python
Remote

Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
venv_pathNoPath to virtual environment (optional)

Capabilities

Features and capabilities supported by this server

CapabilityDetails
tasks
{
  "list": {},
  "cancel": {},
  "requests": {
    "tools": {
      "call": {}
    },
    "prompts": {
      "get": {}
    },
    "resources": {
      "read": {}
    }
  }
}
tools
{
  "listChanged": true
}
prompts
{
  "listChanged": false
}
resources
{
  "subscribe": false,
  "listChanged": false
}
experimental
{}

Tools

Functions exposed to the LLM to take actions

NameDescription
run_mutmut

Run a full mutation testing session with mutmut on the specified target.

This tool initiates mutation testing on the given module or package. You can provide additional mutmut options as needed. The output includes a summary of mutations tested, including counts of killed, survived, and timed-out mutations. If a virtual environment path is provided, mutmut will be run using the binaries from that environment to ensure compatibility with project-specific dependencies.

Args: target (str): The module or package to run mutation testing on. options (str): Additional command-line options for mutmut (e.g., '--use-coverage'). Defaults to empty. venv_path (Optional[str]): Path to the project's virtual environment to use for running mutmut. Defaults to None.

Returns: str: Summary of the mutation testing run, or error message if the run fails.

show_results

Display overall results from the last mutmut run using the mutmut CLI. Returns the plain text output.

show_survivors

List details of surviving mutations from the last mutmut run using the mutmut CLI. Returns the plain text output.

rerun_mutmut_on_survivor

Rerun mutmut on specific surviving mutations or all survivors after test updates using the mutmut CLI. Returns the plain text output.

clean_mutmut_cache

Clean mutmut cache using the mutmut CLI (if available), otherwise remove .mutmut-cache file. Returns the plain text output or confirmation message.

show_mutant

Show the code diff and details for a specific mutant using mutmut show. Args: mutation_id (str): The ID of the mutant to show. venv_path (Optional[str]): Path to the virtual environment, if any. Returns: str: The output of 'mutmut show <mutation_id>'.

prioritize_survivors

Prioritize surviving mutants by likely materiality, filtering out log/debug-only changes and ranking by potential impact. Returns a sorted list of survivors with reasons for prioritization.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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