MCP Git Server

Instructions

Implementation Reference

• src/mcp_server_git/server.py:83-84 (handler)

  Core handler function that executes the git diff for staged changes using the gitpython library.

  def git_diff_staged(repo: git.Repo) -> str:
      return repo.git.diff("--cached")

• src/mcp_server_git/server.py:25-26 (schema)

  Pydantic BaseModel defining the input schema for the git_diff_staged tool, which requires a repo_path string.

  class GitDiffStaged(BaseModel):
      repo_path: str

• src/mcp_server_git/server.py:181-185 (registration)

  Registration of the git_diff_staged tool in the list_tools() function, specifying name, description, and input schema.

  Tool(
      name=GitTools.DIFF_STAGED,
      description="Shows changes that are staged for commit",
      inputSchema=GitDiffStaged.schema(),
  ),

• src/mcp_server_git/server.py:66-66 (registration)

  Enum constant defining the tool name 'git_diff_staged' within GitTools enum.

  DIFF_STAGED = "git_diff_staged"

• src/mcp_server_git/server.py:292-297 (helper)

  Dispatcher case in call_tool() that invokes the git_diff_staged handler and formats the response.

  case GitTools.DIFF_STAGED:
      diff = git_diff_staged(repo)
      return [TextContent(
          type="text",
          text=f"Staged changes:\n{diff}"
      )]