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Edit File Lines MCP Server

@oakenai

Repository

Basic information

Category

Other

License

MIT

Transports

stdio

Author

oakenai

About Edit File Lines MCP Server

MCP Server to make line-based edits to a file.

Edit File Lines MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-edit-file-lines": {
      "command": "node",
      "args": [
        "build/index.js",
        "<allowed-directory>",
        "[additional-directories...]"
      ]
    }
  }
}

Edit File Lines MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Edit File Lines MCP Server?

A TypeScript-based MCP server that provides tools for making precise, line-based edits to text files within allowed directories, using string or regex pattern matching.

How to use Edit File Lines MCP Server?

The server provides tools (edit_file_lines, approve_edit, get_file_lines, search_file) that can be invoked from any MCP client. Edits can be previewed with a dry run, then applied by providing the returned state ID to approve_edit.

Key features of Edit File Lines MCP Server

  • Replace entire lines or specific text matches with edit_file_lines
  • Use regex patterns for complex multi-line edits
  • Dry run mode to preview changes before applying
  • Two-step approval workflow with expiring state IDs
  • Search files for patterns and inspect lines with context

Use cases of Edit File Lines MCP Server

  • Update configuration values in source code files
  • Modify component props or JSX structures
  • Rename variables or strings across multiple lines
  • Safely apply batch edits with preview and approval
  • Locate exact line numbers before editing via search

Frequently asked questions

1

What does the `edit_file_lines` tool do?

It edits specific line ranges in a file by replacing matched strings or regex patterns, with optional dry run to preview changes.

2

How do I apply changes after a dry run?

Call the `approve_edit` tool with the state ID returned by `edit_file_lines` to commit the modifications.

3

What happens if a state ID expires?

State IDs expire after a short time; attempting to use an expired or invalid ID returns an error.

4

What files can I edit with this server?

Only files within allowed directories configured for the server; the README mentions "allowed directories" but does not specify how they are set.

5

What additional tools are available besides `edit_file_lines`?

You can use `get_file_lines` to inspect specific lines with context, and `search_file` to find lines matching text or regex patterns across the file.

Comments

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