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Klievan
by Klievan

gdb_backtrace

Retrieve a stack backtrace with function names, file paths, and line numbers when debug symbols are loaded. Optionally include local variables in each frame.

Instructions

Get a stack backtrace. With debug symbols loaded, shows function names, file paths, and line numbers.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
fullNoInclude local variables in each frame (default false)
Behavior2/5

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

No annotations are provided, so the description must carry the burden. It describes the output but does not disclose side effects, safety, or requirements (e.g., target must be halted). The description is minimal.

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 no fluff. Every word adds value.

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?

The tool is simple, but the description omits output format/type and contextual prerequisites. Adequate for a basic tool but could be more complete.

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% with one parameter fully described in the schema. The description adds no additional semantics beyond the schema, so baseline 3 applies.

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 tool retrieves a stack backtrace, specifying that with debug symbols it shows function names, file paths, and line numbers. This is a specific verb+resource and distinguishes it from other GDB tools.

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 gdb_command or read_memory. There is no mention of prerequisites (e.g., connected session) or exclusion criteria.

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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