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Get Combined Code Fix

getCombinedCodeFix

Read-only

Applies all instances of a code fix across a file in one action, like adding all missing imports or removing unused variables. Call after getCodeFixes with the fixId.

Instructions

Get a combined code fix that applies all instances of a fix across a file in one action. For example, "Add all missing imports" or "Remove all unused variables". Returns the full set of file edits as a CombinedCodeActions response. Use getCodeFixes first to discover available fixId values, then pass the fixId here to get the combined fix for the whole file.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "file": "<file>",
      "fixId": "<fixId>"
    },
    "name": "getCombinedCodeFix"
  }
}

Input Schema

Name	Required	Description	Default
`file`	Yes	File path (absolute or relative to cwd)
`fixId`	Yes	The fixId from a code fix (e.g., "fixMissingImport", "unusedIdentifier", "inferFromUsage")

Schema Changelog

Changes observed during successful MCP inspections.

First observedv1.1.1Jul 12, 2026

TDQS

A4.4/5.0

Behavior4/5

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

Annotations indicate readOnlyHint=true and openWorldHint=false. The description adds that the tool returns the full set of file edits as a CombinedCodeActions response, which is useful behavioral context beyond the annotations. It does not contradict annotations.

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

Conciseness5/5

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

The description is concise with two short paragraphs, front-loading the core purpose, followed by examples and workflow. Every sentence adds value without unnecessary verbosity.

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

Completeness4/5

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

Given the tool has no output schema, the description sufficiently explains the return type (CombinedCodeActions response). Context is adequate for the agent to understand the tool's role among many code fix siblings, though it could mention that the fix is not applied immediately.

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 has 100% description coverage for both parameters. The description mentions that fixId comes from a code fix, but this adds minimal meaning beyond the schema definitions. Baseline 3 is appropriate.

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 that the tool gets a combined code fix applying all instances of a fix across a file. It provides concrete examples ('Add all missing imports', 'Remove all unused variables') and distinguishes itself from the sibling tool getCodeFixes.

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

Usage Guidelines5/5

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

The description explicitly instructs to use getCodeFixes first to discover available fixId values, then pass fixId to this tool. This provides clear guidance on when and how to use it, with an explicit workflow.

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