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cachly-dev

Cachly — AI Cognitive Brain

crystal_view

View the compressed wisdom from past sessions, including top patterns per category and lesson count, to quickly understand accumulated insights.

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 full burden. It clearly indicates a read-only operation ('inspect', 'shows') and mentions no destructive actions. The tool's behavior is transparent for a simple inspection 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 two sentences: first defines the verb and resource, second adds details and usage guidance. It is front-loaded, efficient, and contains no unnecessary words.

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?

Given the tool's simplicity (2 params, no output schema), the description covers purpose, outputs, and usage timing. It could explicitly state the read-only nature, but the context is adequate for an inspection tool.

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

Parameters4/5

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

Schema coverage is 100% with basic parameter descriptions. The tool description adds value by explaining the crystal's purpose and what outputs to expect, enriching the parameter semantics beyond the schema.

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 time). It differentiates from sibling tools like memory_crystalize by emphasizing inspection rather than modification.

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?

The description provides explicit usage context: 'Call after session_start when you want to quickly see accumulated wisdom.' It does not name alternatives but implies this is for inspection, which is sufficient.

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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