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cachly-dev

Cachly — AI Cognitive Brain

crystal_view

Inspect the current Memory Crystal to reveal top patterns per category, lesson count, and last refresh time, providing accumulated wisdom from all past sessions.

Instructions

Inspect the current Memory Crystal — the compressed wisdom distilled from all past sessions. Shows top patterns per category, lesson count, and when the crystal was last refreshed. Call after session_start when you want to quickly see accumulated wisdom across all past work.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
instance_idYesBrain instance ID
show_rawNoInclude raw JSON crystal data (default: false)
Behavior4/5

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

With no annotations, the description carries the full burden. 'Inspect' implies read-only, and the output details set expectations. However, it does not explicitly state no side effects or mention permissions, which would improve transparency.

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 front-loaded main purpose. No wasted words; every sentence adds value.

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?

No output schema, but the description mentions key output fields (top patterns, lesson count, last refreshed). Sufficient for a simple inspection tool, though error states or response format details are omitted.

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 schema already documents both parameters. The description adds no additional meaning beyond the schema's descriptions. Baseline score of 3 is appropriate.

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 inspects the Memory Crystal and lists specific outputs (top patterns, lesson count, refresh timestamp). It distinguishes from siblings like memory_crystalize (which creates/updates) and other read tools by focusing on the crystal's wisdom summary.

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

Usage Guidelines4/5

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

Provides explicit timing ('Call after session_start') and a clear use case ('when you want to quickly see accumulated wisdom'). Lacks exclusionary guidance, but the context effectively narrows when to use this tool.

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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