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Ask the human a yes/no question (BLOCKS until they answer)

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Send a yes/no question to your phone and block for an answer. Use this as a human approval gate before irreversible actions. Always check the 'approved' flag before proceeding.

Instructions

Send a yes/no question to the user's phone via Blipr and BLOCK until they tap an answer, then return it. This is a human-in-the-loop approval gate: use it before doing something consequential or irreversible (deleting prod data, force-pushing, spending money, sending an email) — anything where you'd otherwise ask 'should I proceed?'. The call does not return until the human answers or it times out. Returns { responded, approved, value, message_id, topic } — ALWAYS branch on approved: it is true ONLY when the human tapped Yes, and false on No, a timeout, or an error. Never treat a non-approval as a go-ahead. On timeout (or if your client cancels the call) the human may still answer within ~30 min — call check_reply with the returned message_id to resume rather than re-asking.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
tagsNoTags / emoji shortcodes, e.g. ["question"].
titleNoShort title, shown bold above the question.
topicNoTopic to publish to. Pass it explicitly — each project should use its own topic. When omitted, falls back to the project's `.blipr-topic` file, then the BLIPR_TOPIC env var.
messageYesThe yes/no question to ask the human.
priorityNo1=min/silent … 5=critical. Defaults to 4 (time-sensitive) since it needs an answer.
timeout_secondsNoHow long to block waiting for the answer before giving up. Defaults to 120s. Some MCP clients cancel a long tool call before this elapses; on timeout or cancel, use check_reply with the returned message_id (replies are retained ~30 min).
Behavior5/5

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

No annotations provided, so description fully discloses blocking nature, timeout behavior, return structure, and that approval is only true on Yes. Also mentions persistence of replies for ~30 minutes and cancellation handling. No contradictions.

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?

Single well-structured paragraph: first sentence states purpose, then usage guidelines, return format, timeout instructions. No wasted words. Every sentence adds value.

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?

With 6 parameters, no output schema, and no annotations, the description covers all necessary information: blocking, return shape, edge cases (timeout, cancellation), and follow-up via check_reply. No gaps.

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 already describes all 6 parameters (100% coverage). Description adds context beyond schema: explains default priority (4) reasoning, how topic fallback works, and that message_id is used for later checking. Adds meaningful guidance.

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?

Clearly states it asks a yes/no question and blocks for answer. Distinguishes from siblings like send_alert (one-way) and check_reply (polling) by emphasizing its role as a blocking approval gate.

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?

Explicitly specifies 'use it before doing something consequential or irreversible' and gives concrete examples (deleting prod data, force-pushing). Provides when-not: on timeout, use check_reply instead of re-asking. Warns against treating non-approval as go-ahead.

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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