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Cachly — AI Cognitive Brain

Cachly — AI Cognitive Brain

by cachly-dev
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

get_instance

Retrieve full metadata for a specific cache instance by UUID: name, tier, status, region, RAM limit, Redis connection string, created_at, and expiry. Read-only action for instance details.

Instructions

Get full metadata for a specific cache instance: name, tier, status (provisioning / running / paused), region, RAM limit, Redis connection string, created_at, and expiry. Read-only. Returns an error if the instance_id is not found or belongs to another account. Call list_instances first to discover valid UUIDs. Use get_connection_string instead if you only need the redis:// URL for your app config.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "instance_id": "<instance_id>"
    },
    "name": "get_instance"
  }
}

Input Schema

NameRequiredDescriptionDefault
instance_idYesUUID of the instance (from list_instances)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.0

TDQS

A4.9/5.0
Behavior5/5

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

States read-only and explains error conditions (instance not found or belongs to another account), which is essential behavioral context beyond the parameter schema.

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?

Description is concise, front-loaded with purpose, and every sentence adds necessary information without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Complete for a tool with one parameter and no output schema: lists returned fields, error cases, and relationships to siblings.

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 covers 100% of the single parameter with its description. The description adds value by referencing error context related to the parameter, but the baseline is 3, so +1 for added context.

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 it retrieves full metadata for a specific cache instance, listing the fields. It distinguishes from sibling tools like get_connection_string and list_instances.

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

Usage Guidelines5/5

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

Provides explicit guidance: call list_instances first to get valid UUIDs, and use get_connection_string if only the redis:// URL is needed.

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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