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PostFader V10 — FL Studio MCP Server

fl_get_capabilities

Read-onlyIdempotent

Identify which FL Studio integration paths are direct, partial, unavailable, or unvalidated to assess setup completeness.

Instructions

Report direct, partial, unavailable, and unvalidated integration paths.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
connectionYes
capabilitiesYes
generated_atYes
schema_versionNo1.0

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv10.0.0

TDQS

A3.5/5.0
Behavior3/5

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

Annotations cover read-only, idempotent, and non-destructive behavior, and the description's 'Report' aligns with these hints. However, the description adds no additional behavioral context such as the nature of the report (e.g., whether it includes version info, connection status, or error handling). With annotations present, the bar is lower, and the description is consistent but contributes minimal extra transparency.

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, compact sentence that front-loads the action ('Report') and the content (integration paths). Every word adds value, with no fluff or repetition. It is an excellent example of conciseness without sacrificing essential meaning.

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

Completeness4/5

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

For a simple zero-parameter tool with an output schema, the description is mostly complete. It specifies what is reported (direct, partial, unavailable, unvalidated integration paths) but does not elaborate on how these are determined or what the output schema contains. Given the presence of an output schema, the description is adequate but could benefit from a note on typical use cases or interpretation.

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 and schema coverage is trivially 100%. The description tells what the tool reports, which is meaningful even without parameters. Since there are no params to document, the description fully satisfies the need for parameter semantics, warranting the baseline high score.

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 the verb 'Report' and the resource 'integration paths', specifying four categories (direct, partial, unavailable, unvalidated). It distinguishes from siblings by focusing on capability status rather than specific parameter scanning or project details. The annotation title 'Get verified FL capabilities' adds further clarity, though the description alone is somewhat cryptic without context.

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?

No guidance on when to use this tool versus alternatives. The description does not mention prerequisites, typical scenarios, or exclusions. While the tool is likely for capability discovery, the lack of explicit usage context forces the agent to infer from the name and siblings, which is insufficient for making correct tool selection decisions.

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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