OpenClip

List Supported Providers Tool

list_supported_providers

Read-only

List the video sources submit_video accepts. Each provider has a key and a display name. Use this to tell the user which links work before calling submit_video. direct_url means a direct link to a video file (e.g. an .mp4); the others are hosting platforms.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "list_supported_providers"
  }
}

Input Schema

Name	Required	Description	Default
No arguments

Output Schema

Name	Required	Description	Default
`providers`	Yes	Every video source submit_video accepts.

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 10, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "providers": {
+      "description": "Every video source submit_video accepts.",
+      "items": {
+        "properties": {
+          "key": {
+            "description": "Provider identifier. `direct_url` means a direct link to a video file.",
+            "enum": [
+              "youtube",
+              "google_drive_public",
+              "dropbox_public",
+              "onedrive",
+              "vimeo",
+              "rumble",
+              "direct_url"
+            ],
+            "type": "string"
+          },
+          "name": {
+            "description": "Display name to show the user.",
+            "type": "string"
+          }
+        },
+        "required": [
+          "key",
+          "name"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "providers"
+  ],
+  "type": "object"
+}

First observedJul 7, 2026

TDQS

A4.7/5.0

Behavior4/5

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 covered. The description adds useful behavioral context by explaining the meaning of `direct_url` and that other providers are hosting platforms, which helps the agent interpret results. It doesn't describe the output format in detail, but the output schema exists, so this is acceptable.

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 description is three sentences, each earning its place: what it lists, how to use it, and what the key values mean. It is front-loaded with the primary purpose and avoids any fluff.

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 zero-parameter read-only tool with an output schema, the description is complete. It tells the agent when to use it, what it returns, and how to interpret the data. Nothing essential is missing.

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

Parameters4/5

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

The tool has zero parameters, so the schema provides no parameter semantics. The description compensates by explaining the data returned (key and display name) and the meaning of `direct_url`, which is valuable for the agent. Baseline 4 is appropriate for a no-parameter tool.

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 lists video sources accepted by submit_video, with a specific verb ('List') and resource ('video sources'). It distinguishes itself from siblings by explicitly tying to submit_video and explaining the provider key/name structure.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It explicitly says to use this before calling submit_video to tell the user which links work. This provides clear context and a direct use case, effectively guiding the agent on when to invoke it.

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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