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SiftingIO

siftingio-mcp

Official

List markets

markets_list
Read-only

List available markets in the catalog, with optional region filtering to narrow down to specific areas like North America or Europe.

Instructions

List all supported markets in the catalog.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
regionNoRegion filter: north_america, europe, asia_pacific, latam, global.
Behavior3/5

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

Annotations already declare readOnlyHint=true and openWorldHint=true. The description adds 'all supported markets' and hints at filtering via the region parameter, but provides no additional behavioral traits (e.g., pagination, rate limits) beyond what annotations and schema offer.

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 a single sentence with no wasted words, directly communicating the tool's purpose.

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?

Given the tool's simplicity (one optional parameter, no output schema, safe read operation), the description adequately covers its functionality. No additional details are necessary for correct invocation.

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?

With 100% schema description coverage, the schema already documents the region parameter. The description adds no extra meaning beyond 'List all supported markets,' which is already clear from the name and schema.

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 'List all supported markets in the catalog,' specifying the verb 'list' and the resource 'markets.' It distinguishes from sibling tools like 'markets_hours' or 'markets_status' by focusing on the markets themselves.

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

Usage Guidelines3/5

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

The description implies usage for retrieving the list of markets but does not explicitly provide when-to-use or when-not-to-use guidance compared to alternatives like 'markets_calendar' or 'markets_hours.' Only implicit differentiation exists.

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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