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darkwings

OSC MCP Server

by darkwings

send_raw_osc

Send any OSC message by specifying the address and optional arguments for direct device control outside predefined commands.

Instructions

Send a raw OSC message. Escape hatch for any OSC command.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
argsNo
addressYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations are provided, so the description must carry the full burden. It discloses the tool sends raw OSC messages but does not describe error handling, response format, side effects, or authentication needs, leaving significant behavioral gaps.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very short (two sentences) and front-loaded, but it is under-specified—it trades brevity for completeness, lacking essential details that would earn its place.

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

Completeness2/5

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

Given the tool has 2 parameters, zero annotation coverage, and an output schema exists but is not described, the description is incomplete. It does not reference return values or behavior, failing to adequately support agent decision-making.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%; the description adds no meaning to the parameters 'address' and 'args' beyond what the schema provides (name and type). The agent gets no guidance on format, constraints, or examples.

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 'Send a raw OSC message' as a verb+resource pair, and 'Escape hatch for any OSC command' distinguishes it from sibling tools like set_channel_fader or get_mixer_info, which are specific functions.

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 as an escape hatch for arbitrary OSC commands, but provides no explicit guidance on when to use this tool versus alternatives, no when-not-to-use scenarios, or prerequisites.

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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