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weather

Get current and forecast weather for any location, including severe weather alerts and minute-by-minute precipitation. Plan travel and assess route risks with accurate conditions.

Instructions

Get current and forecast weather for a location, including severe weather alerts and minute-by-minute precipitation. Use for destination conditions, travel planning, or route risk assessment.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Implementation Reference

  • The CallTool handler for ALL tools (including 'weather') — it returns a redirect message pointing users to the hosted MCP server at https://geo.thinair.co/mcp, rather than executing locally. This is a static stdio adapter for quality checks only.
    server.setRequestHandler(CallToolRequestSchema, async () => ({
      content: [{ type: "text", text: REDIRECT_MESSAGE }],
      isError: false,
    }));
  • bin/server.js:56-61 (registration)
    The 'weather' tool is registered in the TOOLS array (line 31-98). It has a description and inputSchema, but no actual execution logic — all tool calls are handled uniformly by the CallToolRequestSchema handler.
    {
      name: "weather",
      description:
        "Get current and forecast weather for a location, including severe weather alerts and minute-by-minute precipitation. Use for destination conditions, travel planning, or route risk assessment.",
      inputSchema: { type: "object" },
    },
  • Input schema for the 'weather' tool — accepts any JSON object (no specific constraints defined locally).
    inputSchema: { type: "object" },
Behavior2/5

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

With no annotations, the description bears full responsibility for behavioral disclosure. It fails to explain how the location parameter is provided—the input schema is empty, yet weather must be location-dependent. There is no mention of rate limits, update frequency, or output format, leaving significant ambiguity.

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 consists of two concise sentences with no extraneous words. The main purpose is front-loaded, followed by usage guidelines. Every sentence adds value.

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?

Despite the tool's simplicity, the description omits critical information about how the location is determined given the empty input schema. Without an output schema, the return format is also unaddressed. The description is incomplete for an agent to reliably invoke the 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?

Input schema has zero parameters and description coverage is 100% (trivial). The baseline for 0 parameters is 4. The description does not add parameter details, which is acceptable as none exist.

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's purpose with a specific verb ('Get') and resource ('current and forecast weather for a location'). It includes details like severe weather alerts and minute-by-minute precipitation, which differentiates it from sibling tools that focus on geocoding, directions, or API management.

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 explicitly provides use cases: 'destination conditions, travel planning, or route risk assessment.' While it does not explicitly say when not to use it or mention alternatives, the usage guidance is clear and sufficient for a tool with no overlapping siblings.

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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