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Generate Migration Yaml

generate_migration_yaml

Create Drupal migration YAML configuration from source, destination, and migration type to define and run site data migrations.

Instructions

Generate migration YAML configuration.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sourceYes
destinationYes
migration_typeYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

D1.7/5.0
Behavior1/5

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

No annotations are provided, so the description carries the full behavioral burden, and it discloses nothing. It does not say whether a file is written to disk, returned inline, or whether it overwrites existing configuration, and it says nothing about permissions or side effects for what is clearly a generation/mutation operation.

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

Conciseness2/5

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

A single short sentence is not concise here, it is under-specified. There is nothing extra to trim, but the sentence does not front-load any constraint or distinguishing detail.

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?

An output schema exists, so return values need not be explained, but that is the only relief. For a tool with three required parameters, nested object inputs, and no annotations, the description is far too thin to let an agent construct a valid call.

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

Parameters1/5

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

All three required parameters (migration_type, source, destination) have 0% schema description coverage, and two are unconstrained nested objects. The description contributes no meaning to any of them, leaving an agent with no idea what shape source/destination must take or what values migration_type accepts.

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?

"Generate migration YAML configuration" largely restates the tool name and title without adding specificity. It does not distinguish this tool from nearby siblings such as generate_module_migration, ai_generate_migration_plan, validate_migration, or run_migration_test, nor does it say what kind of migration is meant.

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?

There is no when-to-use guidance, no prerequisites, and no mention of alternatives. An agent cannot tell from the description when to pick this over ai_generate_migration_plan or generate_module_migration, or where its YAML fits in the migration workflow.

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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