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user-db

user-db

by NG-Bullseye
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

profile_set

Update a user profile field by setting a value (parsed as JSON when possible, else stored as string) or delete it with 'null', and receive the updated profile.

Instructions

Set one profile field. value is parsed as JSON when possible (lists/numbers/null), otherwise stored as plain string. value="null" deletes the field. Returns the updated profile.

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": {
      "field": "<field>",
      "value": "<value>"
    },
    "name": "profile_set"
  }
}

Input Schema

NameRequiredDescriptionDefault
fieldYes
valueYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.2/5.0
Behavior4/5

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

No annotations provided, but description discloses JSON parsing, plain string fallback, deletion behavior for 'null', and return of updated profile.

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, front-loaded with purpose, no redundancy.

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?

Covers purpose, parameter behavior, and return value ('Returns the updated profile'); adequate for a simple set tool with no output schema.

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 0%, but description adds significant meaning: explains value parsing and deletion semantics beyond schema's simple string type.

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 'Set one profile field' with specific verb and resource, and distinguishes from sibling tools like profile_get, sensor_read, etc.

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

Usage Guidelines3/5

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

No explicit when-to-use or when-not-to-use guidance; usage is implied but not contrasted with alternatives.

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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