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Delete a specific memory by ID from Memory Nexus. Optionally cascade to remove connected memories, helping maintain a clean knowledge base.

Instructions

Remove a memory. Use sparingly.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
cascadeNoAlso remove connected memories
memory_idYesMemory ID to remove
Behavior2/5

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

No annotations are provided, so the description must disclose behavioral traits itself. It only hints at destructiveness with 'Use sparingly' but doesn't specify permanence, side effects, or how cascade affects removal. This leaves significant ambiguity for a mutation tool.

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?

The description is extremely concise: two short sentences with no filler. It front-loads the core purpose and includes a behavioral warning, making every word earn its place.

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, has full schema coverage, and no output schema, so the description doesn't need to explain return values. However, it lacks context on irreversibility, prerequisites, or the effect of cascade, making it minimally adequate but not thorough.

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 description coverage is 100% for both parameters (memory_id and cascade), and the description adds no extra parameter semantics. The baseline of 3 applies because the schema carries the necessary detail.

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 action ('Remove') and the resource ('a memory'), which is specific and differentiates it from siblings like remember (add) or recall (retrieve). It is a model of concise purpose clarity.

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

Usage Guidelines3/5

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

The phrase 'Use sparingly' implies caution but does not explicitly state when to use this tool versus alternatives such as recall or connect. It gives a context of destructive action but lacks direct comparison or exclusions.

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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