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Sukarth

Coding Agent MCP Server

by Sukarth

edit_file

Edit files using replace, diff, line numbers, or character match methods. Select the appropriate editing approach for your task.

Instructions

Edit a file using various methods (replace, diff, line numbers, character matching)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYesPath to the file to edit
methodYesEditing method to use
targetNoTarget text to find/replace (for replace and character-match methods)
replacementNoReplacement text
startLineNoStart line number (1-based, for line-numbers method)
endLineNoEnd line number (1-based, for line-numbers method)
startCharNoStart character position (0-based, for character-match method)
endCharNoEnd character position (0-based, for character-match method)
diffContentNoDiff content in unified format (for diff method)
diffFormatNoDiff format (default: unified)unified
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are present, and the description does not disclose behavioral traits such as whether edits are atomic, if original files are backed up, or error handling behavior. The mutation nature is implied but not elaborated.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise (one sentence) but lacks structure. For a tool with 10 parameters, more structured information (e.g., listing methods with brief explanations) would improve usability.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (10 parameters, no output schema), the description is too minimal. It does not explain return values, error conditions, or provide examples, leaving the agent without sufficient context.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the parameters are already well-documented. The description adds no additional context about parameter usage, format constraints, or relationships between methods and parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool edits a file and lists four distinct methods, which differentiates it from sibling tools like write_file or find_and_replace.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives or which method is appropriate for different scenarios. Sibling tools like write_file or find_and_replace are not mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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