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Open binary

open_binary

Load an executable into Ghidra and run auto-analysis to prepare for reverse engineering. Required before using other tools in the session.

Instructions

Load an executable into the Ghidra session and run auto-analysis. Slow the first time for a given file (seconds to minutes); cached in the Ghidra project afterwards. Must be called before anything else.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYesAbsolute path to the executable
analyzeNoRun auto-analysis. Only set false if already analysed.

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. First observedv0.1.1

TDQS

A4.4/5.0
Behavior4/5

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

The description meaningfully adds context beyond the annotations: it warns about slow first-time execution, notes caching behavior in the Ghidra project, and declares a prerequisite relationship with all other tools. It does not contradict the readOnlyHint=false / openWorldHint=false annotations.

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?

Three concise sentences with no filler. The core behavior is front-loaded, followed by performance expectations and the essential ordering rule.

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?

For a tool with only two parameters and no output schema, the description covers the necessary operational context: what it does, how long it might take, that results are cached, and that it must run first. A small gap is that it does not explicitly mention error conditions or what happens if the path is invalid, but this is not essential for correct invocation.

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%, so the description does not need to compensate. The description reinforces that auto-analysis happens, which aligns with the 'analyze' parameter, but it does not add new parameter-level meaning beyond what the schema already explains.

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 states a specific action: load an executable into the Ghidra session and run auto-analysis. This clearly differentiates it from sibling analytical tools like decompile, list_functions, or call_graph, which operate on an already-loaded program.

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

Usage Guidelines5/5

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

Explicitly states 'Must be called before anything else,' giving the agent a clear ordering constraint. It also provides practical timing guidance (slow first load, cached afterwards) that helps the agent decide when this tool is needed.

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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