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confirm

Finalize pending operations in the editor-mcp server to apply changes to text files. Use this tool to complete file editing tasks after making modifications.

Instructions

Confirm action

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Implementation Reference

  • The 'confirm' tool handler function. It checks for pending changes, writes the modified lines to the current file, clears the pending state and selection, and returns success or error status.
    async def confirm() -> Dict[str, Any]:
        """Confirm action"""
        if self.pending_modified_lines is None or self.pending_diff is None:
            return {"error": "No pending changes to apply. Use overwrite first."}
    
        try:
            with open(self.current_file_path, "w", encoding="utf-8") as file:
                file.writelines(self.pending_modified_lines)
    
            result = {
                "status": "success",
                "message": f"Changes applied successfully.",
            }
    
            self.selected_start = None
            self.selected_end = None
            self.selected_id = None
            self.pending_modified_lines = None
            self.pending_diff = None
    
            return result
        except Exception as e:
            return {"error": f"Error writing to file: {str(e)}"}
Behavior2/5

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

With no annotations provided, the description carries full burden for behavioral disclosure. 'Confirm action' implies a mutation (confirmation typically changes state), but it doesn't specify what gets confirmed, whether it's reversible, what permissions are needed, or what the response contains. This leaves significant gaps for a tool that likely modifies workflow state.

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 extremely concise ('Confirm action') but arguably under-specified rather than efficiently informative. While it wastes no words, it fails to provide the minimal context needed to understand what's being confirmed, making this brevity problematic rather than virtuous.

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 likely performs a state-changing confirmation (implied by the name and sibling tools like 'cancel'), the description is incomplete. With no annotations, no parameter documentation needed, but an output schema exists, the description should at least clarify what action is confirmed and in what context, which it fails to do.

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

Parameters4/5

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

The tool has zero parameters with 100% schema description coverage, so the schema already fully documents the absence of inputs. The description doesn't need to compensate for any parameter gaps, and 'Confirm action' appropriately implies no additional inputs are required for a simple confirmation operation.

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

Purpose2/5

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

The description 'Confirm action' is a tautology that essentially restates the tool name 'confirm' without specifying what action is being confirmed or what resource is involved. It provides no differentiation from sibling tools like 'cancel' or 'select' that might also involve confirmation-like operations.

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. The description doesn't indicate what context triggers its use, what prerequisites exist, or how it differs from sibling tools like 'cancel' (which might abort an action) or 'select' (which might choose among options).

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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