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Refactoring MCP Server

MCP server exposing Martin Fowler's refactoring catalog to LLMs with 71+ refactorings

Connector by marshally · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 5
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Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/marshally-mcp-refactoring

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MCP server exposing Martin Fowler's refactoring catalog to LLMs with 71+ refactorings

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
4 read · 1 write · 0 delete
Secrets
None asked for
Install scripts
Not scanned yet
Runs as
Python package

Tools by what they do 5

Read from the source code; the running server may list different tools.

Read 4 · Look things up without changing anything.

  • analyze_code
  • inspect_structure
  • list_refactorings
  • preview_refactoring

Write 1 · Create, change, send or run things.

  • apply_refactoring

Files it touches

  • Any path the agent passes to its tools

Tools (5)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • analyze_codeAnalyze Code for Smellsread-only

    Analyze code for smells and suggest refactorings. Detects code smells like long methods, large classes, feature envy, and suggests appropriate refactorings to address them. Note: This feature requires backend support. Returns backend_supported: false for backends that don't implement analysis yet. Args: path: File or directory path to analyze smells: Optional list of smell types to check for (e.g., ['long-method', 'large-class', 'feature-envy']) Returns: TOON-formatted string with analysis results. Supported smell types (when backend supports analysis): - long-meth…

  • apply_refactoringApply Refactoring

    Apply a refactoring to the codebase. This actually modifies files. Use preview_refactoring first to see what changes will be made. Changes can be reverted with git. Args: refactoring: Name of the refactoring (e.g., 'extract-method') target: Target in language-native format (e.g., 'src/order.py::Order::calculate#L10-L15') params: Refactoring-specific parameters Returns: TOON-formatted string with results of the applied refactoring. Example: apply_refactoring( refactoring="rename-method", target="src/order.py::Order::calc_total", params={"new_name"…

  • inspect_structureInspect Code Structureread-only

    Get structural information about code (classes, methods, line numbers). Inspects a file to return information about its structure. Use this to understand the code before applying refactorings. Args: path: File path to inspect (e.g., 'src/order.py') depth: Level of detail - 'file', 'class', or 'method' (default: 'class') Returns: TOON-formatted string with structural information. Example: inspect_structure(path="src/order.py", depth="method")

  • list_refactoringsList Available Refactoringsread-only

    List available refactorings with their parameter contracts. Returns the catalog of available refactorings from all enabled backends, optionally filtered by language and/or category. Args: language: Filter by language (e.g., 'python'). If not specified, returns all. category: Filter by Fowler category (e.g., 'composing_methods') Returns: TOON-formatted string containing refactoring specifications. Categories: - composing_methods: Extract/inline methods, variables - moving_features: Move methods/fields between classes - organizing_data: Encapsulation, type codes -…

  • preview_refactoringPreview Refactoring Changesread-only

    Preview what changes a refactoring would make without applying them. This is a dry-run mode that shows the diff of what would change, without actually modifying any files. Always preview before applying. Args: refactoring: Name of the refactoring (e.g., 'extract-method') target: Target in language-native format (e.g., 'src/order.py::Order::calculate#L10-L15') params: Refactoring-specific parameters (e.g., {'name': 'calculate_tax'}) Returns: TOON-formatted string with preview results including diff. Example: preview_refactoring( refactoring="extract-method", …

Signals

Stars
5
Forks
0
Open issues
0
Weekly downloads
48
Last commit
Nov 29, 2025 (11 months ago)
Last release
Nov 29, 2025 (11 months ago)
Last package publish
Nov 29, 2025 (11 months ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Registry name
io.github.marshally/mcp-refactoring
Version
0.1.2
Auth
No auth
Packages
pypi mcp-refactoring
License
MIT
Repository
github.com/marshally/mcp-refactoring
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql
Cite this page

Refactoring MCP Server. Agent Mart. https://agentmart.dev/connectors/marshally-mcp-refactoring (last updated 2026-10-24)