deskaid
Read, write, and edit files on the local filesystem using absolute paths. Supports reading file contents with optional line limits, overwriting files, and modifying specific text instances with precise context requirements.
Instructions
Copy
This is a multipurpose tool that supports the following subcommands:
## ReadFile file_path offset? limit?
Reads a file from the local filesystem. The file_path parameter must be an absolute path, not a relative path. By default, it reads up to ${MAX_LINES_TO_READ} lines starting from the beginning of the file. You can optionally specify a line offset and limit (especially handy for long files), but it's recommended to read the whole file by not providing these parameters. Any lines longer than ${MAX_LINE_LENGTH} characters will be truncated. For image files, the tool will display the image for you.
## WriteFile file_path content
Write a file to the local filesystem. Overwrites the existing file if there is one.
Before using this tool:
1. Use the ReadFile tool to understand the file's contents and context
2. Directory Verification (only applicable when creating new files):
- Use the LS tool to verify the parent directory exists and is the correct location
## EditFile file_path old_string new_string
This is a tool for editing files. For larger edits, use the Write tool to overwrite files.
Before using this tool:
1. Use the View tool to understand the file's contents and context
2. Verify the directory path is correct (only applicable when creating new files):
- Use the LS tool to verify the parent directory exists and is the correct location
To make a file edit, provide the following:
1. file_path: The absolute path to the file to modify (must be absolute, not relative)
2. old_string: The text to replace (must be unique within the file, and must match the file contents exactly, including all whitespace and indentation)
3. new_string: The edited text to replace the old_string
The tool will replace ONE occurrence of old_string with new_string in the specified file.
CRITICAL REQUIREMENTS FOR USING THIS TOOL:
1. UNIQUENESS: The old_string MUST uniquely identify the specific instance you want to change. This means:
- Include AT LEAST 3-5 lines of context BEFORE the change point
- Include AT LEAST 3-5 lines of context AFTER the change point
- Include all whitespace, indentation, and surrounding code exactly as it appears in the file
2. SINGLE INSTANCE: This tool can only change ONE instance at a time. If you need to change multiple instances:
- Make separate calls to this tool for each instance
- Each call must uniquely identify its specific instance using extensive context
3. VERIFICATION: Before using this tool:
- Check how many instances of the target text exist in the file
- If multiple instances exist, gather enough context to uniquely identify each one
- Plan separate tool calls for each instance
WARNING: If you do not follow these requirements:
- The tool will fail if old_string matches multiple locations
- The tool will fail if old_string doesn't match exactly (including whitespace)
- You may change the wrong instance if you don't include enough context
When making edits:
- Ensure the edit results in idiomatic, correct code
- Do not leave the code in a broken state
- Always use absolute file paths (starting with /)
If you want to create a new file, use:
- A new file path, including dir name if needed
- An empty old_string
- The new file's contents as new_string
Remember: when making multiple file edits in a row to the same file, you should prefer to send all edits in a single message with multiple calls to this tool, rather than multiple messages with a single call each.
## LS directory_path
Lists files and directories in a given path. The path parameter must be an absolute path, not a relative path. You should generally prefer the Glob and Grep tools, if you know which directories to search.
Args:
ctx: The MCP context
command: The subcommand to execute (ReadFile, WriteFile, EditFile, LS)
file_path: The path to the file or directory to operate on
content: Content for WriteFile command
old_string: String to replace for EditFile command
new_string: Replacement string for EditFile command
offset: Line offset for ReadFile command
limit: Line limit for ReadFile command
Input Schema
Name | Required | Description | Default |
---|---|---|---|
command | Yes | ||
content | No | ||
file_path | No | ||
limit | No | ||
new_string | No | ||
offset | No | ||
old_string | No |
Input Schema (JSON Schema)
{
"properties": {
"command": {
"title": "Command",
"type": "string"
},
"content": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Content"
},
"file_path": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "File Path"
},
"limit": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Limit"
},
"new_string": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "New String"
},
"offset": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Offset"
},
"old_string": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Old String"
}
},
"required": [
"command"
],
"title": "deskaidArguments",
"type": "object"
}
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