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petri-net-sim

pns-server MCP Server

add_threshold_activation

Add a threshold-based activation to a Petri net model, triggering after a set number of arrivals or processing time. Configure threshold, queue place, distribution, and time unit.

Instructions

Add threshold_activation pattern.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
thresholdNo
queue_place_idNo
processing_timeNo
distributionNoexp
time_unitNos

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

With no annotations, the description should disclose behavioral traits. It only states the action without mentioning side effects, permissions, or outputs, offering minimal transparency about what happens when invoked.

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

Conciseness3/5

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

The description is extremely concise (one sentence), but it is too sparse given the tool's complexity. It could be expanded slightly without losing efficiency, balancing brevity with usefulness.

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?

Despite having an output schema, the tool has six parameters with no documentation. The description does not provide enough context for an agent to invoke it correctly, especially without parameter explanations.

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?

Schema description coverage is 0%, and the description does not mention any parameters. It adds no meaning beyond the schema, failing to explain the purpose of 'name', 'threshold', 'queue_place_id', etc.

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 that the tool adds a 'threshold_activation pattern,' which clarifies the verb and resource. However, it does not explain what a threshold_activation pattern is or how it differs from other 'add' tools, leaving ambiguity.

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 is given on when to use this tool versus alternatives like add_arc or add_machine. The description lacks context about prerequisites or scenarios, providing no help for tool selection.

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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