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headrush-mcp

headrush-mcp

by Haervwe

get_setlist

Read-only

Retrieve a single setlist by ID from a HeadRush Flex Prime pedal so an assistant can inspect its contents over the local network.

Instructions

Read one setlist.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "setlist_id": "<setlist_id>"
    },
    "name": "get_setlist"
  }
}

Input Schema

NameRequiredDescriptionDefault
setlist_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.4/5.0
Behavior2/5

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

Annotations already declare readOnlyHint=true and openWorldHint=false, so the safety profile is covered. The description contributes nothing beyond that: no note on error behavior for unknown ids, no statement about missing/partial data, no hint about the shape of what comes back.

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

Conciseness4/5

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

Three words, front-loaded, zero waste. It is concise to the point of under-specification, but nothing is bloated or buried.

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?

For a single-required-parameter read tool with no output schema and no annotations on mutability nuances, the description should at minimum say where the id comes from and what is returned. Neither is present, leaving an agent to guess how to obtain a valid setlist_id.

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

Parameters2/5

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

Schema description coverage is 0%, so the description carries the full burden for setlist_id, yet it says nothing about the identifier's source, format, or whether it is a numeric index or opaque string. Only the generic noun 'setlist' hints at the parameter's meaning.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (Read) and resource (setlist), and the word 'one' implies single-item retrieval as opposed to the sibling list_setlists. However, it never names the sibling distinction explicitly, so differentiation is only inferential.

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?

There is no guidance on when to use this versus list_setlists, no prerequisite that a setlist identifier must first be obtained via listing, and no statement of what happens with an invalid id. Usage is implied at best.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.