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watch_clear

Clear specific watchpoints or all watchpoints in Cadence Xcelium simulations to manage debugging sessions and control simulation state.

Instructions

Clear watchpoints. Use "all" to clear all, or a specific stop ID.

Args: watch_id: Watchpoint ID to clear, or "all" for all watchpoints.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
watch_idNoall

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states that watchpoints are cleared but fails to mention side effects (e.g., whether clearing is permanent), error behavior (invalid ID handling), or reversibility. The disclosure is limited to the basic operation name.

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

Conciseness4/5

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

The description is brief and front-loaded with the action. While the Python-style 'Args:' section is slightly unconventional for MCP descriptions, it efficiently conveys the necessary parameter information without excessive verbosity. Every sentence contributes necessary information.

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

Completeness3/5

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

For a single-parameter deletion operation with an output schema present, the description meets minimum viability by explaining the parameter and special values. However, it lacks context on error states, valid ID formats, and the simulator state requirements given the complex debugger environment suggested by sibling tools.

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 schema has 0% description coverage, leaving the description to carry all semantic weight. It successfully documents that `watch_id` accepts either a specific watchpoint identifier or the special string 'all', compensating effectively for the lack of schema documentation.

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

Purpose3/5

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

The description states the tool clears watchpoints (specific verb+resource), but introduces confusion by referring to a 'stop ID' in the first sentence while the Args section and parameter name use 'Watchpoint ID'. This terminology inconsistency hinders clarity, and it fails to distinguish from sibling tool `watch_signal`.

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?

The description provides operational syntax guidance (use 'all' vs specific ID) but offers no strategic guidance on when to clear watchpoints versus keeping them, and does not mention the complementary relationship with `watch_signal` or prerequisites like being connected to a simulator.

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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