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Searches for real evidence to validate assumptions, returning cited facts with confidence scores and marking low-confidence information as unknown.

Instructions

Exa deep search -> cited, confidence-scored facts (used inside the loop). Low confidence is reported as UNKNOWN and never asserted.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYes
Behavior4/5

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

No annotations are provided, but the description adds important behavioral details: it reports low confidence as UNKNOWN and never asserts them. This helps an agent understand the tool's reliability and handling of uncertain facts.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two sentences with no redundancy. Each sentence adds value: the first defines the core action, the second clarifies a key behavioral rule. It is efficiently structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given one parameter, no output schema, and no annotations, the description covers the main behavior and a critical detail (UNKNOWN handling). However, the loop context is vague, and return format is not described, leaving some ambiguity.

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

Parameters2/5

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

With 0% schema description coverage, the description only mentions the query parameter implicitly via 'Exa deep search' but adds no specifics on query format, constraints, or examples. The parameter semantics are underexplained.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states that the tool performs Exa deep search to retrieve cited, confidence-scored facts and mentions it's used inside a loop. This distinguishes it from siblings like 'doubt' and 'verdict', though not explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides minimal usage context: 'used inside the loop' implies a specific workflow but fails to specify when to use this tool versus alternatives or when to avoid it.

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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