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get_signal_values

Retrieve current values of multiple signals in Vivado using pattern matching with wildcards. Specify display radix for bin, hex, dec, unsigned, or ascii.

Instructions

Get current values of multiple signals matching a pattern

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
patternYesSignal pattern with wildcards (e.g., '/tb/dut/*', '/tb/dut/data*')
radixNoDisplay radix (default: hex)
Behavior2/5

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

No annotations are provided, so the description carries full responsibility for disclosing behavioral traits. It merely states the action without mentioning side effects, permissions, performance implications, or return format.

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?

A single, front-loaded sentence that conveys the core purpose with no unnecessary words. Highly efficient.

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?

Given the absence of output schema and annotations, the description is insufficient. It does not explain how pattern matching works, what the return format is, or how to handle multiple matches, which are crucial for correct usage.

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 description coverage is 100%, so baseline is 3. The description adds no additional semantics beyond the existing schema descriptions for 'pattern' and 'radix'.

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 the verb 'get', the resource 'signal values', and the scope 'multiple signals matching a pattern'. This effectively distinguishes it from the sibling tool 'get_signal_value' which retrieves a single 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?

No guidance on when to use this tool versus alternatives like 'get_signal_value' or other getter tools. The description lacks context on typical use cases or preconditions for pattern matching.

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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