Vahada — Turkish drink prices

Happy hours running right now

happy_hours_now

Discounted drinks being served AT THIS MOMENT, with how long each has left. Turkey time. Use for 'is there a happy hour near me right now' or 'cheap drinks in Beyoğlu tonight'. Returns an empty list when nothing is running, which is a real answer rather than an error.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "happy_hours_now"
  }
}

Input Schema

Name	Required	Description	Default
`area`	No	District or neighbourhood, e.g. 'Kadıköy'. Omit for all of Turkey.
`limit`	No	How many to return (default 10).

Schema Changelog

Changes observed during successful MCP inspections.

First observedSep 23, 2026

TDQS

A4/5.0

Behavior3/5

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

With no annotations provided, the description carries the full burden. It discloses the empty-list behavior as a legitimate answer and mentions 'Turkey time' (timezone context). It does not cover error conditions, authentication, or response structure beyond time-left, but for a simple read tool the disclosure is adequate though not exhaustive.

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 is three sentences, front-loading the core function first, then providing usage guidance, and finally a behavioral note. Every sentence earns its place with no redundancy or filler.

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?

For a read-only tool with two optional parameters and no output schema, the description covers the main purpose, usage intent, timezone, and empty-list behavior. It does not detail the exact return structure, but given the simplicity and schema coverage, it is sufficiently complete for correct invocation.

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 both 'area' and 'limit' are already documented in the input schema. The description adds minimal parameter-specific context (e.g., 'Turkey time' relates to area scope) but does not materially enhance parameter understanding beyond what the schema provides, warranting the baseline score.

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 returns currently running happy hours ('Discounted drinks being served AT THIS MOMENT') with time remaining, scoped to Turkey. It distinguishes itself from siblings by emphasizing the 'right now' aspect and provides concrete example queries, making the purpose unmistakable.

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 gives explicit usage scenarios ('is there a happy hour near me right now', 'cheap drinks in Beyoğlu tonight') that indicate when to call it. However, it does not explicitly mention alternatives or exclusions relative to sibling tools, so it stops short of a full when/when-not guide.

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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