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daedalus

mcp-z3-prover

create_int_var

Create an integer variable with a specified name to define constraints and solve SMT problems using the Z3 prover.

Instructions

Create an Integer variable with the given name.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesThe name of the integer variable to create.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations provided, and the description contains no behavioral details beyond creation. It does not disclose side effects, permissions, or whether the variable is tied to a specific model.

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?

Single sentence, no superfluous words. Efficient but very minimal; slightly more context would improve usability without harming conciseness.

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?

With an output schema present, the description does not need to explain return values. However, for a creation tool, missing details about variable scope, existence checks, or error handling leaves it incomplete.

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 coverage is 100% (only parameter 'name' is fully described in schema). The description adds no extra meaning beyond 'with the given name', so it meets baseline but does not exceed.

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?

Description clearly states the action (create), resource (integer variable), and the input (name). It is specific enough to distinguish from sibling tools like create_bool_var or create_int_constant.

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 such as create_int_constant or create_real_var. The description does not specify context or prerequisites.

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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