replace_lines

Replace a specified range of lines in a file with new content, ensuring verification via prior file read. Ideal for precise file edits within codebases.

Instructions

Replaces the given range of lines in the given file. Requires that the same range of lines was previously read using the read_file tool to verify correctness of the operation.

Input Schema

Name	Required	Description
`content`	Yes	The content to insert.
`end_line`	Yes	The 0-based index of the last line to be deleted.
`relative_path`	Yes	The relative path to the file.
`start_line`	Yes	The 0-based index of the first line to be deleted.

Input Schema (JSON Schema)

{
  "properties": {
    "content": {
      "description": "The content to insert.",
      "title": "Content",
      "type": "string"
    },
    "end_line": {
      "description": "The 0-based index of the last line to be deleted.",
      "title": "End Line",
      "type": "integer"
    },
    "relative_path": {
      "description": "The relative path to the file.",
      "title": "Relative Path",
      "type": "string"
    },
    "start_line": {
      "description": "The 0-based index of the first line to be deleted.",
      "title": "Start Line",
      "type": "integer"
    }
  },
  "required": [
    "relative_path",
    "start_line",
    "end_line",
    "content"
  ],
  "title": "applyArguments",
  "type": "object"
}

Serena MCP Server

replace_lines

Instructions

Input Schema

Input Schema (JSON Schema)

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MCP directory API