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mrphrazer

Binary Ninja Headless MCP

by mrphrazer

type_archive.create

Create a type archive for a binary analysis session and optionally attach it to apply custom type definitions and structures.

Instructions

Create and optionally attach a type archive.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYes
attachNo
session_idYes
platform_nameNo
Behavior2/5

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

With no annotations provided, the description must disclose behavioral traits. It only states 'Create and optionally attach'—no mention of side effects, persistence, permissions, or whether the operation is destructive. This leaves critical unknowns for a creation tool.

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?

The description is extremely concise at seven words, with no fluff. It is front-loaded and every word carries weight. However, conciseness comes at the cost of clarity for the agent.

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 tool has 4 parameters, no schema descriptions, no annotations, and no output schema, the description is severely incomplete. It fails to define 'type archive', explain attachment semantics, or specify parameter roles, leaving large gaps for correct invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description must compensate. It hints that 'attach' is boolean (optional attachment) but provides no explanation for 'path', 'session_id', or 'platform_name'. An agent cannot determine proper values from this.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a specific verb ('Create') and resource ('type archive'), and hints at the optional attach behavior. However, it does not clarify what 'attach' means or how this tool differs from siblings like type_archive.open or type_archive.push, leaving some 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 on when to use this tool versus alternatives like type_archive.open, type_archive.pull, or type_archive.push. An agent must infer from the name alone, which is insufficient for correct 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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