TuneWorks

List log metadata

list_logs

Read-only

List bounded metadata for logs attached to one connected TuneWorks vehicle. Raw log samples are not returned.

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": {
      "vehicleId": "<vehicleId>"
    },
    "name": "list_logs"
  }
}

Input Schema

Name	Required	Description	Default
`limit`	No
`vehicleId`	Yes

Output Schema

Name	Required	Description
`logs`	No
`tool`	Yes	TuneWorks MCP tool name that produced this result.
`user`	No
`count`	No
`lists`	No
`setups`	No
`status`	Yes	Stable result status such as ok, created, updated, sent, auth_required, or confirmation_required.
`message`	No
`outcome`	No	Optional domain outcome for an otherwise successful read.
`sessions`	No
`vehicles`	No
`snapshots`	No
`activation`	No
`maintenance`	No
`modifications`	No
`requestedVehicleId`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed8 schema fields changedOct 24, 2026

addedOutput schema / properties / activation

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "goal": {
+      "const": "optimize_vehicle",
+      "type": "string"
+    },
+    "missingData": {
+      "items": {
+        "enum": [
+          "vehicle",
+          "accessible_vehicle_id",
+          "baseline_setup",
+          "driving_session",
+          "vehicle_build_state",
+          "vehicle_logs",
+          "structured_vehicle_modifications"
+        ],
+        "type": "string"
+      },
+      "type": "array",
+      "uniqueItems": true
+    },
+    "nextActions": {
+      "items": {
+        "oneOf": [
+          {
+            "additionalProperties": false,
+            "properties": {
+              "arguments": {
+                "additionalProperties": false,
+                "properties": {
+                  "vehicleId": {
+                    "type": "string"
+                  }
+                },
+                "required": [
+                  "vehicleId"
+                ],
+                "type": "object"
+              },
+              "optional": {
+                "type": "boolean"
+              },
+              "reason": {
+                "type": "string"
+              },
+              "requiredInputs": {
+                "items": {
+                  "enum": [
+                    "year",
+                    "make",
+                    "model",
+                    "purpose",
+                    "displacement",
+                    "engineType",
+                    "aspiration",
+                    "cylindersOrRotors",
+                    "fuel",
+                    "fuelRating",
+                    "setupName",
+                    "setupDate",
+                    "sessionDate",
+                    "sessionFormat",
+                    "modifications",
+                    "category",
+                    "system",
+                    "status",
+                    "brand",
+                    "partName"
+                  ],
+                  "type": "string"
+                },
+                "type": "array",
+                "uniqueItems": true
+              },
+              "tool": {
+                "enum": [
+                  "create_vehicle",
+                  "list_vehicles",
+                  "get_vehicle_context",
+                  "create_setup",
+                  "create_session",
+                  "update_vehicle",
+                  "create_vehicle_modification"
+                ],
+                "type": "string"
+              },
+              "type": {
+                "const": "tool",
+                "type": "string"
+              }
+            },
+            "required": [
+              "type",
+              "tool",
+              "reason"
+            ],
+            "type": "object"
+          },
+          {
+            "additionalProperties": false,
+            "properties": {
+              "action": {
+                "enum": [
+                  "select_vehicle",
+                  "optimize_vehicle"
+                ],
+                "type": "string"
+              },
+              "optional": {
+                "type": "boolean"
+              },
+              "reason": {
+                "type": "string"
+              },
+              "type": {
+                "const": "assistant",
+                "type": "string"
+              }
+            },
+            "required": [
+              "type",
+              "action",
+              "reason"
+            ],
+            "type": "object"
+          }
+        ]
+      },
+      "type": "array"
+    },
+    "recommendedData": {
+      "items": {
+        "enum": [
+          "vehicle",
+          "accessible_vehicle_id",
+          "baseline_setup",
+          "driving_session",
+          "vehicle_build_state",
+          "vehicle_logs",
+          "structured_vehicle_modifications"
+        ],
+        "type": "string"
+      },
+      "type": "array",
+      "uniqueItems": true
+    },
+    "requestedVehicleId": {
+      "type": "string"
+    },
+    "stage": {
+      "enum": [
+        "empty_garage",
+        "select_vehicle",
+        "vehicle_selected",
+        "vehicle_created",
+        "collecting_baseline_data",
+        "ready_to_optimize"
+      ],
+      "type": "string"
+    },
+    "vehicleId": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "goal",
+    "stage",
+    "missingData",
+    "recommendedData",
+    "nextActions"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / logs

Added value: +{
+  "items": {
+    "type": "object"
+  },
+  "type": "array"
+}

addedOutput schema / properties / message
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / modifications

Added value: +{
+  "items": {
+    "type": "object"
+  },
+  "type": "array"
+}

addedOutput schema / properties / outcome

Added value: +{
+  "description": "Optional domain outcome for an otherwise successful read.",
+  "enum": [
+    "no_vehicles",
+    "vehicle_not_found",
+    "vehicle_selection_required",
+    "no_data"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / requestedVehicleId
```
Added value: +{
+  "type": "string"
+}
```

addedOutput schema / properties / snapshots

Added value: +{
+  "items": {
+    "type": "object"
+  },
+  "type": "array"
+}

changedOutput schema / properties / status / description

Previous value: -"Result status such as ok, created, updated, sent, auth_required, or confirmation_required."New value: +"Stable result status such as ok, created, updated, sent, auth_required, or confirmation_required."

First observedOct 18, 2026

TDQS

B3.3/5.0

Behavior3/5

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

Annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=false, so the safety profile is covered. The description adds one genuinely useful behavioral fact - results are bounded metadata and contain no raw log samples - but says nothing about ordering, pagination behavior beyond the limit cap, or connection/auth requirements for the vehicle.

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?

Two short sentences, front-loaded with the core purpose and ending with the most consequential caveat. Nothing is wasted or padded.

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

Completeness3/5

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

For a simple read-only listing tool with an output schema and full annotation coverage, the description is adequate: it establishes scope and the metadata-only return. It falls short on the undocumented limit parameter and on routing guidance relative to sibling log tools.

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 both parameters are undocumented in the schema and the description must compensate. It only vaguely implies vehicleId must identify "one connected TuneWorks vehicle"; the limit parameter (default 10, max 25) is entirely unaddressed by either source.

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?

"List bounded metadata for logs attached to one connected TuneWorks vehicle" gives a specific verb (list), a specific resource (log metadata), and an explicit scope (one vehicle, metadata only). It distinguishes itself from session/ECU-file listing by domain, but never names a sibling such as get_log_context or list_ai_log_tuner_transcripts, so differentiation is only implicit.

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?

Usage is implied rather than stated: the agent can infer this is the tool for enumerating logs for a vehicle. "Raw log samples are not returned" is a useful negative signal (don't use this to read log data) but no alternative tool is named and no prerequisites beyond the vehicle connection are given.

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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