Dynamoi

Fetch (OpenAI Connectors)

fetch

Read-only

OpenAI ChatGPT Deep Research / Connectors fetch contract. Given an id returned by search (formatted as 'artist:', 'campaign:', or 'smartlink:'), returns the full record for citation.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`id`	Yes

Output Schema

TableJSON Schema

Name	Required	Description	Default
`code`	No
`data`	No
`kind`	No
`field`	No
`status`	Yes
`draftId`	No
`message`	No
`retryable`	No
`nextAction`	No
`failureStage`	No
`prerequisite`	No
`screeningResult`	No
`retryAfterSeconds`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedSep 24, 2026

addedOutput schema / properties / draftId

Added value: +{
+  "format": "uuid",
+  "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
+  "type": "string"
+}

addedOutput schema / properties / failureStage

Added value: +{
+  "maxLength": 120,
+  "minLength": 1,
+  "type": "string"
+}

addedOutput schema / properties / screeningResult

Added value: +{
+  "maxLength": 120,
+  "minLength": 1,
+  "type": "string"
+}

Changed2 schema fields changedSep 23, 2026

removedInput schema / $schema

Removed value: -"http://json-schema.org/draft-07/schema#"

removedOutput schema / $schema

Removed value: -"http://json-schema.org/draft-07/schema#"

Changed2 schema fields changedSep 20, 2026

addedInput schema / $schema

Added value: +"http://json-schema.org/draft-07/schema#"

addedOutput schema / $schema

Added value: +"http://json-schema.org/draft-07/schema#"

Changed6 schema fields changedSep 10, 2026

addedOutput schema / properties / code

Added value: +{
+  "enum": [
+    "ACCOUNT_READ_ONLY",
+    "INVALID_SPOTIFY_SOURCE",
+    "CAPABILITY_REQUIRED",
+    "INSUFFICIENT_SCOPE",
+    "STATE_CONFLICT",
+    "QUOTE_CHANGED",
+    "RATE_LIMITED",
+    "OUTPUT_INVALID",
+    "UNKNOWN_EFFECT"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / field

Added value: +{
+  "maxLength": 120,
+  "minLength": 1,
+  "type": "string"
+}

addedOutput schema / properties / nextAction

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "field": {
+      "maxLength": 120,
+      "minLength": 1,
+      "type": "string"
+    },
+    "kind": {
+      "enum": [
+        "provide_input",
+        "read_status",
+        "reconnect",
+        "handoff"
+      ],
+      "type": "string"
+    },
+    "reason": {
+      "maxLength": 240,
+      "minLength": 1,
+      "type": "string"
+    }
+  },
+  "required": [
+    "kind"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / prerequisite

Added value: +{
+  "maxLength": 240,
+  "minLength": 1,
+  "type": "string"
+}

addedOutput schema / properties / retryAfterSeconds

Added value: +{
+  "maximum": 86400,
+  "minimum": 0,
+  "type": "integer"
+}

addedOutput schema / properties / retryable
```
Added value: +{
+  "type": "boolean"
+}
```

Changed6 schema fields changedAug 29, 2026
- changedOutput schema / additionalProperties
```
Previous value: -falseNew value: +{}
```
- addedOutput schema / properties / data / properties / id
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / properties / data / properties / name
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / properties / data / properties / publicUrl
```
Added value: +{
+  "type": "string"
+}
```
- addedOutput schema / properties / data / properties / summary
```
Added value: +{
+  "type": "string"
+}
```
- removedOutput schema / properties / kind / enum
```
Removed value: -[
-  "validation",
-  "business",
-  "platform",
-  "unknown"
-]
```

Changed4 schema fields changedAug 7, 2026

changedOutput schema / additionalProperties
```
Previous value: -{}New value: +false
```

addedOutput schema / properties / data

Added value: +{
+  "additionalProperties": {},
+  "properties": {},
+  "type": "object"
+}

addedOutput schema / properties / kind

Added value: +{
+  "enum": [
+    "validation",
+    "business",
+    "platform",
+    "unknown"
+  ],
+  "type": "string"
+}

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

AddedMay 5, 2026

TDQS

A4.3/5.0

Behavior3/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the safety profile is known. The description adds that the result is a 'full record for citation,' but it does not disclose error behavior, rate limits, or what happens with an invalid or unknown id. With annotations covering mutation risks, this is an acceptable but not rich disclosure.

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?

The description is compact and front-loads the id contract, but the opening clause 'OpenAI ChatGPT Deep Research / Connectors fetch contract' partially repeats the tool title and provides no additional actionable information. It is not wasteful enough to warrant a lower score, but it prevents a perfect score.

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

Completeness5/5

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

For a single-parameter read-only lookup tool, the description is complete: it tells the agent where to get the id, what formats are valid, and what kind of response to expect. The presence of an output schema and read-only annotations covers the remaining contextual needs.

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

Parameters5/5

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

The schema only defines id as a string with length boundsaging and no description. The tool description compensates fully by specifying that the id comes from search and must be formatted as one of three prefixed patterns, which is essential metadata for constructing a valid call.

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 the tool's purpose: given an id, it 'returns the full record for citation.' It further specifies the accepted id formats ('artist:<uuid>', 'campaign:<uuid>', or 'smartlink:<uuid>'), which distinguishes it from the search tool and the more specific get_* siblings.

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?

The instruction 'Given an id returned by `search`' explains the correct input source and when this tool should be used. It does not explicitly enumerate when to prefer typed alternatives such as dynamoi_get_campaign or dynamoi_get_smart_link, but the id-format constraint provides strong implicit guidance.

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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