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Eight Sleep Cache Status

eight_sleep_cache_status
Read-onlyIdempotent

Display the current status of the optional local SQLite cache. Enable the cache with EIGHT_SLEEP_CACHE=sqlite or true.

Instructions

Show optional local SQLite cache status. Enable with EIGHT_SLEEP_CACHE=sqlite or EIGHT_SLEEP_CACHE=true.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
response_formatNomarkdown

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYes
enabledYes
entriesYes
newest_cached_atNo
Behavior3/5

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

Annotations already declare readOnlyHint and destructiveHint, establishing safe behavior. The description adds a key behavioral detail: the cache is optional and requires specific environment variable settings to be enabled. This provides useful context beyond annotations, but does not go into depth about side effects or other traits.

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?

Single sentence front-loading the verb 'Show'. No unnecessary words. Every part of the sentence contributes to understanding the tool's purpose and a prerequisite. Efficient and well-structured.

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?

Given an output schema exists, the description is not required to detail return values. However, the description is extremely minimal and does not hint at what the status output looks like or the available format options. It could benefit from a brief note on the response, but is adequate for a simple status check tool.

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

Parameters1/5

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

Schema coverage is 0%, placing full burden on description to explain parameters. However, the description does not mention the 'response_format' parameter at all, despite it having enums and a default. The schema itself documents it, but the description adds no semantic value. This is a significant gap.

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 clearly states the tool shows the status of an optional local SQLite cache, which is a specific verb-resource combination. It also provides the enablement condition, making the purpose unambiguous and distinct from sibling tools that deal with other aspects.

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 explicit guidance on when to use this tool versus alternatives. The description implies it is for checking cache status after enabling it via environment variables, but does not mention when not to use it or compare with other tools. Siblings cover many other functionalities, but no differentiation is provided.

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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