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devdotbo

Perplexity Web MCP

by devdotbo

pplx_ask

Provide quick answers to questions using an auto model with web source focus. Each query consumes one Pro search credit.

Instructions

Quick Q&A with auto model. COSTS 1 PRO SEARCH QUERY. Prefer pplx_smart_query(intent='quick') for simple lookups (Sonar 2 first).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYes
source_focusNoweb

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior4/5

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

No annotations provided, so the description carries the burden. It discloses the cost ('COSTS 1 PRO SEARCH QUERY') but does not detail the 'auto model' behavior. This is helpful but could be more transparent.

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 extremely concise at two sentences, front-loaded with the core purpose. Every sentence adds value with no waste.

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 having an output schema, the description omits parameter semantics entirely, leaving the agent guessing about 'source_focus' and proper query formatting. The cost disclosure is the only extra context.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, yet the description does not explain the 'query' or 'source_focus' parameters beyond the tool's purpose. The agent lacks information needed to construct valid inputs.

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 explicitly states 'Quick Q&A with auto model', defining a clear verb and resource. It distinguishes from sibling pplx_smart_query by recommending that for simple lookups.

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?

It provides explicit guidance: use for quick Q&A and prefer pplx_smart_query for simple lookups, establishing clear usage context and 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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