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mcp-server-code-assist

mcp-server-code-assist

mcp-server-code-assist: A Code Assistant MCP Server

Overview

A Model Context Protocol server for code modification and generation. This server provides tools to create, modify, and delete code via Large Language Models.

Tools

  1. create

    • Creates new files

    • Input: XML instruction with path and content

    • Returns: Confirmation of file creation

  2. modify

    • Modifies existing files with search/replace

    • Input: XML instruction with path, search pattern, and new content

    • Returns: Diff of changes

  3. rewrite

    • Completely rewrites a file

    • Input: XML instruction with path and new content

    • Returns: Confirmation of rewrite

  4. delete

    • Removes files

    • Input: XML instruction with path

    • Returns: Confirmation of deletion

XML Format

<Plan>
Describe approach and reasoning
</Plan>

<file path="/path/to/file" action="create|modify|rewrite|delete">
  <change>
    <description>What this change does</description>
    <search>
===
Original code for modification
===
    </search>
    <content>
===
New or modified code
===
    </content>
  </change>
</file>

Related MCP server: Code Merge MCP

Installation

uvx mcp-server-code-assist

Using pip

pip install mcp-server-code-assist
python -m mcp_server_code_assist

Configuration

Usage with Claude Desktop

"mcpServers": {
  "code-assist": {
    "command": "uvx",
    "args": ["mcp-server-code-assist"]
  }
}
"mcpServers": {
  "code-assist": {
    "command": "docker",
    "args": ["run", "--rm", "-i", "--mount", "type=bind,src=/Users/username,dst=/Users/username", "mcp/code-assist"]
  }
}

Usage with Zed

Add to settings.json:

"context_servers": {
  "mcp-server-code-assist": {
    "command": {
      "path": "uvx",
      "args": ["mcp-server-code-assist"]
    }
  }
},

Development

cd src/code-assist
uvx mcp-server-code-assist

# For docker:
docker build -t mcp/code-assist .

License

MIT License. See LICENSE file for details.

Available Tools

12 tools
create_directoryD

Creates a new directory

Inputs: path (required).

create_fileC

Creates a new file with content

Inputs: path (required), content.

delete_fileC

Deletes a file

Inputs: path (required).

file_treeC

Lists directory tree structure with git tracking support

Inputs: path (required).

git_diffD

Shows git diff

Inputs: repo_path (required), target (required).

git_logC

Shows git commit history

Inputs: repo_path (required), max_count.

git_showC

Shows git commit details

Inputs: repo_path (required), revision (required).

git_statusC

Shows git repository status

Inputs: repo_path (required).

list_directoryC

Lists directory contents using system ls/dir command

Inputs: path (required).

modify_fileC

Modifies parts of a file using string replacements

Inputs: path (required), replacements (required).

read_fileC

Reads file content

Inputs: path (required).

rewrite_fileC

Rewrites entire file content

Inputs: path (required), content (required).

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    TDQS

    B3/5.0

    Scored across 12 tools

    Disambiguation5/5

    Each tool has a clearly distinct purpose with no ambiguity. For example, create_file vs. modify_file vs. rewrite_file handle different file operations, while git tools target specific git commands. The descriptions make it easy to tell tools apart.

    Naming Consistency5/5

    All tools follow a consistent verb_noun pattern with snake_case throughout. The naming is predictable and readable, such as create_directory, list_directory, git_status, and modify_file, with no deviations in style.

    Tool Count5/5

    With 12 tools, the count is well-scoped for code assistance, covering file operations and git commands. Each tool earns its place without feeling excessive or thin, aligning with the server's purpose.

    Completeness4/5

    The tool surface is nearly complete for code assistance, covering file CRUD and key git operations. Minor gaps exist, such as no git commit or branch management tools, but agents can work around this with the provided tools.

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