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RapierCraft

alterlab-mcp-server

by RapierCraft

alterlab_list_my_beta_features

Lists all beta and GA features active on your account to verify feature availability before making API calls.

Instructions

List all beta and GA features currently active on your account — a compact slug list for quick checks. Includes all GA features plus any beta features you have opted in to. Use this to verify which features are available before making API calls that require them.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

No annotations provided; description reveals it is a read operation returning a compact slug list. Notes that list includes GA features and opted-in beta features. Lacks details on pagination or format but sufficient for a simple list.

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?

Three sentences, each with clear purpose: action, content, usage guidance. No redundant words; highly efficient.

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 parameterless, no-output-schema tool, description fully covers what it does, what it returns, and why to use it. Context with sibling tools is sufficient.

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?

No parameters; schema coverage is 100% trivially. Description adds meaning by explaining the composition of the list (GA + opted-in beta features), which is beyond schema structure.

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 verb 'list' and resource 'beta and GA features active on your account'. It differentiates from sibling 'alterlab_list_beta_features' by specifying scope is only active features on the user's account.

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?

Explicitly says when to use: 'to verify which features are available before making API calls that require them'. Does not explicitly name alternatives but context implies use sibling for full list.

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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