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htminuslab

visualizer-mcp

by htminuslab

vcc_wave_add

Add one or more signals to the wave window using dot-separated paths with 'sim.' prefix. Accepts an array of signal strings.

Instructions

Add one or more signals to the wave window. Use dot-separated paths with "sim." prefix, e.g. ["sim.top.clk", "sim.top.dut.state", "sim.div_tb.*"]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
signalsYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

No annotations; description covers path format but lacks details on side effects, error handling, or additive behavior.

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?

Two concise sentences with front-loaded action and example. No wasted words.

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?

Covers the core functionality and signal specification. Output schema exists to document return value, so no further detail needed.

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?

Despite 0% schema coverage, description explains the format of array elements (dot-separated, 'sim.' prefix), adding significant meaning.

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?

Clearly states it adds signals to the wave window, with specific syntax. Distinguishes from sibling tools like vcc_force.

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

Usage Guidelines4/5

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

Provides usage pattern and examples, but does not explicitly state when to use alternatives.

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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