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Discover Tables

dune_discover

Discover tables and models from Dune API and Spellbook by keyword or schema listing. Unified exploration of blockchain data schemas.

Instructions

Unified tool to discover tables/models from Dune API and/or Spellbook repository. Search by keyword(s) or list tables in a schema.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
keywordNo
schemaNo
limitNo
sourceNoboth
include_columnsNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations are provided, so the description carries the full burden. It lacks details on read-only behavior, authentication, rate limits, or default behavior when both keyword and schema are null. This is insufficient for a tool with no annotations.

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?

Two sentences, front-loaded with purpose, no redundancy. Every word adds value.

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?

With an output schema present, return values need not be elaborated. However, the description omits edge cases (e.g., no parameters provided) and pagination. It is adequate but not comprehensive.

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?

Input schema has 0% description coverage, but the description adds meaning: keyword search, schema listing, limit, source selection, and include columns. This compensates well for the schema gap, though it does not detail value formats.

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?

Description clearly states the tool discovers tables/models from Dune API and/or Spellbook, with two modes: keyword search and listing tables in a schema. It is distinct from sibling tools like dune_describe_table (describe a specific table) and dune_query (run queries).

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 implies use for table discovery, but does not explicitly differentiate from alternatives like dune_describe_table. However, the purpose is clear enough for an agent to infer when to use 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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