plc_begin_transaction

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

The annotations already state that this is a non-read-only, non-destructive, non-idempotent operation. The description adds useful context that staging is persistent and original files remain untouched, but it does not explain staging lifetime, cleanup, or commit semantics.

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

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

It is a single front-loaded sentence with no wasted wording. The most important effect, that original files remain untouched, is stated directly.

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

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

The tool has an output schema and annotations, so return values and general safety profile need not be repeated. However, for a stateful transaction-begin operation, the description omits lifecycle guidance such as how staging is completed, discarded, or scoped.

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

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

The input schema has one required parameter, project_id, with 0% description coverage, and the tool description never explains it. 'Current project' implies a project context but does not clarify the parameter's meaning, format, or expected value.

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

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

The description states a specific verb and resource: beginning persistent staging against the current project revision. It is clear enough to understand the operation, but it does not explicitly distinguish it from the likely commit/abort counterpart among siblings.

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

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

There is no explicit when-to-use guidance, no prerequisites, and no named alternative such as plc_commit_changes. The word 'Begin' implies a workflow, but the agent is left to infer when this tool should be selected.

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