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wynandw87

Perplexity MCP Server

by wynandw87

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Retrieve raw ranked search results with titles, URLs, and snippets from Perplexity's index. Get a list of sources without AI-generated synthesis.

Instructions

Get raw ranked search results from Perplexity's search index. Returns structured results with titles, URLs, and snippets. Best for getting a list of sources without AI synthesis. Trigger: 'perplexity raw search', 'perplexity search results'.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYesThe search query
max_resultsNoMaximum number of results to return (default: 10)
domain_filterNoFilter results to these domains only (max 5)
recencyNoFilter results by recency: "hour", "day", "week", "month"
Behavior3/5

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

No annotations are provided, so the description carries full burden. It discloses that results are raw and not AI-synthesized, and returns structured output. However, it lacks details on rate limits, authentication needs, or side effects, which is adequate for a search tool but not exceptional.

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 concise, comprising two sentences plus trigger phrases. Every sentence adds value, no redundancy or fluff.

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?

Given no output schema, the description covers the output structure (titles, URLs, snippets) and usage context. It omits pagination details but is otherwise complete for a search tool with 4 parameters.

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 the baseline is 3. The description does not add additional meaning beyond the input schema; it only mentions the output format (titles, URLs, snippets), not parameter details.

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 retrieves raw ranked search results from Perplexity's search index and distinguishes it from siblings by specifying 'without AI synthesis'. The verb 'Get' and resource 'raw ranked search results' are specific and unambiguous.

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 includes 'Best for getting a list of sources without AI synthesis' and trigger phrases, which provide clear context for when to use this tool. It does not explicitly list when not to use it or name alternatives, but the guidance is sufficient.

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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