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JauMemory MCP Server

JauMemory MCP Server

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by Jau-app
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TypeScript
Remote

update_collection

Update collection name or description by providing the collection UUID and optional new values.

Instructions

Update collection details (name and/or description).

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": {
      "collection_id": "<collection_id>"
    },
    "name": "update_collection"
  }
}

Input Schema

NameRequiredDescriptionDefault
collection_idYesUUID of the collection
nameNoNew name for the collection (optional)
descriptionNoNew description for the collection (optional)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.3.3

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description must carry the full burden. It only says 'Update', which implies mutation, but does not disclose whether the operation is destructive, partial updates are allowed, if permissions are needed, or what the response is. The description is too minimal 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.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very short, consisting of one sentence. It is front-loaded with the key action. It could be more concise, but it is not overly verbose. However, the brevity may sacrifice completeness.

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

Completeness2/5

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

Given the tool has 3 parameters, no output schema, and no annotations, the description is insufficient. It does not explain what happens when only one parameter is provided, or if the update is incremental or replaces existing values. The tool is simple, but the description lacks completeness.

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%, so the schema already documents all parameters. The description lists 'name and/or description', adding minimal value beyond the schema. Baseline 3 is appropriate as the description does not add much meaning but does not mislead.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Update' and the resource 'collection details', specifying that it updates name and/or description. It distinguishes itself from sibling tools like 'delete_collection', 'create_collection', and 'add_to_collection' by focusing on mutation of existing collection metadata.

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 guidance is provided on when to use this tool versus alternatives such as 'update' (a more generic tool) or other collection-related tools. It does not mention prerequisites, such as requiring the collection to exist, or when not to use it.

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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