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christianclaudio

mcp-server-sigma

sigma_list_api_connectors

Read-only

List all API connectors used for custom data integrations. See the full inventory of data source connections for management and review.

Instructions

List all API connectors (custom data integrations).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

Annotations already provide readOnlyHint=true, destructiveHint=false, and openWorldHint=true, which cover the safety profile. The description adds minimal beyond annotations, merely confirming the 'all' scope. It does not disclose return format or pagination, but the output schema exists and the operation is simple.

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 fluff. It front-loads the action and resource, and the parenthetical adds valuable clarification without unnecessary length.

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?

For a zero-parameter list tool with a full output schema and strong annotations, the description is complete. It needs no further detail about return values or behavior because the schema and annotations handle those aspects.

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?

The tool has zero parameters, so the baseline is 4. The description adds no parameter details, but none are needed. It correctly implies the tool takes no input.

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 action ('List') and the resource ('all API connectors'), with a clarifying parenthetical ('custom data integrations') that disambiguates from sibling tools like list_connections. It distinguishes itself from get_api_connector by explicitly indicating a list of all connectors.

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 listing all API connectors but provides no explicit when-to-use or alternatives. It doesn't mention when to prefer this over get_api_connector or list_connections, though the purpose is evident from the name and sibling context.

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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