edit_file

Modify text files by replacing exact line sequences with new content, returning a git-style diff. Works within predefined directories for secure, controlled file edits.

Instructions

Make line-based edits to a text file. Each edit replaces exact line sequences with new content. Returns a git-style diff showing the changes made. Only works within allowed directories.

Input Schema

Name	Required	Description
`dryRun`	No	Preview changes using git-style diff format
`edits`	Yes	List of edit operations to perform
`path`	Yes	Path to the file to edit

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "dryRun": {
      "default": false,
      "description": "Preview changes using git-style diff format",
      "type": "boolean"
    },
    "edits": {
      "description": "List of edit operations to perform",
      "items": {
        "additionalProperties": false,
        "properties": {
          "newText": {
            "description": "Text to replace with",
            "type": "string"
          },
          "oldText": {
            "description": "Text to search for - must match exactly",
            "type": "string"
          }
        },
        "required": [
          "oldText",
          "newText"
        ],
        "type": "object"
      },
      "type": "array"
    },
    "path": {
      "description": "Path to the file to edit",
      "type": "string"
    }
  },
  "required": [
    "path",
    "edits"
  ],
  "type": "object"
}

MCP Filesystem Server

edit_file

Instructions

Input Schema

Input Schema (JSON Schema)

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MCP directory API