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cavi-ai

ableton-mcp

by cavi-ai
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load_device_chain_snapshot

Read-onlyIdempotent

Read a named local device-chain snapshot for review, then recall it onto a compatible track, Return, or Main device owner with guarded confirmation; does not modify Live.

Instructions

Read a named local device-chain snapshot for review and guarded recall onto an already compatible track, Return, or Main device owner. Does not mutate Live.

Input Schema

NameRequiredDescriptionDefault
nameYesExact saved chain snapshot name.

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changedv0.3.1
    • removedOutput schema / additionalProperties
      Removed value: -true
    • addedOutput schema / anyOf
      Added value: +[
+  {
+    "properties": {
+      "name": {
+        "type": "string"
+      },
+      "path": {
+        "type": "string"
+      },
+      "snapshot": {
+        "type": "object"
+      }
+    },
+    "required": [
+      "name",
+      "path",
+      "snapshot"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "error": {
+        "properties": {
+          "message": {
+            "type": "string"
+          },
+          "outcome": {
+            "enum": [
+              "unknown",
+              "not_executed"
+            ]
+          }
+        },
+        "required": [
+          "message",
+          "outcome"
+        ],
+        "type": "object"
+      }
+    },
+    "required": [
+      "error"
+    ],
+    "type": "object"
+  }
+]
  2. Changed1 schema field changedv0.3.0
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "type": "object"
+}
  3. Addedv0.2.0

TDQS

A4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, and openWorldHint=false. The description reinforces the non-mutating behavior and adds a meaningful precondition that the target must already be compatible, but it does not explain what 'guarded recall' means operationally or what happens if the target is incompatible.

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 definition is two tightly written sentences with the operation and non-mutation constraint front-loaded. Every phrase contributes to scope or safety and there is no redundant filler.

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?

With an output schema present and annotations covering safety, the description only needs to explain operation and preconditions. It does that adequately, but it still leaves sibling differentiation and the exact meaning of 'guarded recall' implicit.

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

Parameters3/5

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

Schema description coverage is 100%, so the schema already fully documents the single required 'name' parameter. The description's word 'named' adds no syntax, format, or selection guidance beyond what the schema provides, making the baseline 3 appropriate.

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 states a specific verb and resource: 'Read a named local device-chain snapshot.' It also scopes the operation to review and guarded recall onto compatible track, Return, or Main owners, though it does not explicitly name the sibling recall_device_chain_snapshot as the mutating alternative.

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?

It gives clear usage context: use this for review and guarded recall onto an already compatible target, and notes that it does not mutate Live. The main gap is that it does not explicitly compare itself with save/capture/recall siblings, so the agent must infer when to choose recall_device_chain_snapshot instead.

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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