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Edit video

editVideo

Edit a previously generated video with a text prompt and optional reference images (video-to-video); runs on griffin-hd (768p, with soundtrack) and the output keeps the source video's duration unless you pass one. Pass the video url you received from createVideo, createVideoFromReferences, or an earlier edit - it must be a video you generated within the last 7 days; arbitrary external videos are not accepted. Optionally add up to 5 reference images (URL or base64) to guide the edit. The job result is the new video URL and its actual duration in seconds. Credits are held when the job is accepted; the final charge is rate × produced seconds, never more than for the duration you requested, and the difference (or everything, if the job fails or is cancelled) is refunded. Pass an optional request_id to tag the result so you can locate it later via listGenerations (type video). Related tools: createVideo to generate the source clip, createVideoFromReferences for reference-driven generation. Async generation job: returns {id, status} - poll getApiJob (job and credit contract: see the server instructions).

Credits: credits/s × seconds, per model: Griffin 2/s, Eagle 2/s [LEGACY]; [LEGACY] models are scheduled for removal - do not use them for new work; see this endpoint's full pricing table in the API docs.

Input Schema

NameRequiredDescriptionDefault
requestBodyYesPayload for editing a previously generated video with a text prompt and optional reference images.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s · Cinematic videos in any style, with audio, 768p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."New value: +"Model to use. Available models:\n- \"griffin-hd\" (Griffin): 2 credits/s · Cinematic videos in any style, with audio, 768p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."
  2. Changed1 schema field changed
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s · Cinematic videos in any style, with audio, 720p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."New value: +"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s · Cinematic videos in any style, with audio, 768p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."
  3. Changed1 schema field changed
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s · Same as Griffin, but in 720p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."New value: +"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s · Cinematic videos in any style, with audio, 720p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."
  4. Changed1 schema field changed
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s, shortest duration 5s, so 10 credits minimum · Same as Griffin, but in 720p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."New value: +"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s · Same as Griffin, but in 720p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."
  5. Changed3 schema fields changed
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"eagle\"."New value: +"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s, shortest duration 5s, so 10 credits minimum · Same as Griffin, but in 720p\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"griffin-hd\"."
    • changedInput schema / properties / requestBody / properties / model / example
      Previous value: -"eagle"New value: +"griffin-hd"
    • changedInput schema / properties / requestBody / properties / request_id / description
      Previous value: -"Optional client-provided identifier, unique per request. Re-sending the same request_id returns the existing job instead of generating again. Also usable with the results endpoint."New value: +"Optional client-provided identifier, unique per request. Re-sending the same request_id returns the existing job instead of generating again. Also usable as the request_id filter of listGenerations."
  6. Changed1 schema field changed
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s\n- \"eagle\" (Eagle): 2 credits/s Default: \"eagle\"."New value: +"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s\n- \"eagle\" (Eagle): 2 credits/s · LEGACY - scheduled for removal, do not use for new work\nModels marked LEGACY still work for existing integrations but will be removed; pick a current model for anything new. Default: \"eagle\"."
  7. Changed3 schema fields changed
    • changedInput schema / properties / requestBody / properties / duration / description
      Previous value: -"Duration in seconds. Available values depend on the model:\n- eagle: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15"New value: +"Duration in seconds. Available values depend on the model:\n- griffin-hd: 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15\n- eagle: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15"
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"eagle\" (Eagle): Visual Quality: 8/10 · Motion Stability: 5/10 · 2 credits/s Default: \"eagle\"."New value: +"Model to use. Available models:\n- \"griffin-hd\" (Griffin HD): 2 credits/s\n- \"eagle\" (Eagle): 2 credits/s Default: \"eagle\"."
    • changedInput schema / properties / requestBody / properties / model / enum
      Previous value: -[
-  "eagle"
-]New value: +[
+  "griffin-hd",
+  "eagle"
+]
  8. Changed3 schema fields changed
    • changedInput schema / properties / requestBody / properties / duration / description
      Previous value: -"Duration in seconds. Available values depend on the model:\n- eagle: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15\n- forge-pixel: 1, 1.5, 2, 2.5, 3, 3.5, 4"New value: +"Duration in seconds. Available values depend on the model:\n- eagle: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15"
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"eagle\" (Eagle): Visual Quality: 8/10 · Motion Stability: 5/10 · 2 credits/s\n- \"forge-pixel\" (Forge Pixel): 2 credits/s, min 4 Default: \"eagle\"."New value: +"Model to use. Available models:\n- \"eagle\" (Eagle): Visual Quality: 8/10 · Motion Stability: 5/10 · 2 credits/s Default: \"eagle\"."
    • changedInput schema / properties / requestBody / properties / model / enum
      Previous value: -[
-  "eagle",
-  "forge-pixel"
-]New value: +[
+  "eagle"
+]
  9. Changed2 schema fields changed
    • removedInput schema / properties / requestBody / properties / model / default
      Removed value: -"eagle"
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"eagle\" (Eagle): Visual Quality: 8/10 · Motion Stability: 5/10 · 2 credits/s\n- \"forge-pixel\" (Forge Pixel): 2 credits/s, min 4"New value: +"Model to use. Available models:\n- \"eagle\" (Eagle): Visual Quality: 8/10 · Motion Stability: 5/10 · 2 credits/s\n- \"forge-pixel\" (Forge Pixel): 2 credits/s, min 4 Default: \"eagle\"."
  10. Changed1 schema field changed
    • changedInput schema / properties / requestBody / properties / request_id / description
      Previous value: -"Optional client-provided identifier for this request. Use this to retrieve results later via the results endpoint."New value: +"Optional client-provided identifier, unique per request. Re-sending the same request_id returns the existing job instead of generating again. Also usable with the results endpoint."
  11. Changed3 schema fields changed
    • changedInput schema / properties / requestBody / properties / duration / description
      Previous value: -"Duration in seconds. Available values depend on the model:\n- eagle: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15"New value: +"Duration in seconds. Available values depend on the model:\n- eagle: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15\n- forge-pixel: 1, 1.5, 2, 2.5, 3, 3.5, 4"
    • changedInput schema / properties / requestBody / properties / model / description
      Previous value: -"Model to use. Available models:\n- \"eagle\" (Eagle): Visual Quality: 8/10 · Motion Stability: 5/10 · 2 credits/s"New value: +"Model to use. Available models:\n- \"eagle\" (Eagle): Visual Quality: 8/10 · Motion Stability: 5/10 · 2 credits/s\n- \"forge-pixel\" (Forge Pixel): 2 credits/s, min 4"
    • changedInput schema / properties / requestBody / properties / model / enum
      Previous value: -[
-  "eagle"
-]New value: +[
+  "eagle",
+  "forge-pixel"
+]
  12. Added

TDQS

A4.8/5.0
Behavior5/5

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

Annotations only cover the generic safety profile (readOnlyHint=false, destructiveHint=false, openWorldHint=false), so the description carries the real burden and does: credits are held at acceptance, final charge is rate × produced seconds and capped at the requested duration, and failures/cancellations are refunded. It also discloses the async contract (returns {id, status}, poll getApiJob), the default duration behavior, and the actual return values (new video URL plus real duration).

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?

Front-loaded with purpose and source constraint, then credits, then the async contract — a sensible order with no filler sentences. Minor waste in the repeated credit/legacy pricing block at the end, which largely duplicates the model enum descriptions and the API docs pointer.

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 nested-payload mutation job with no output schema, the description still tells the agent the response shape, how to poll, what is billed and refunded, the input provenance requirement, and the default duration semantics. Nothing material needed to invoke it correctly 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?

Schema coverage is 100%, so baseline is 3; the description earns above that by adding a behavior not in the schema — the output inherits the source video's duration unless `duration` is passed — and by framing `request_id` as a way to locate results via listGenerations (type video). The image cap and model names are restated from the schema rather than extended, so it stops short of 5.

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?

Opens with a specific verb+resource ('Edit a previously generated video with a text prompt and optional reference images (video-to-video)') and immediately scopes it to griffin-hd output. It explicitly separates itself from the generation siblings by naming createVideo and createVideoFromReferences as the upstream steps rather than alternatives.

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?

States the exact precondition for the `video` input (a URL returned by createVideo, createVideoFromReferences, or a prior edit, generated within 7 days) and an explicit exclusion ('arbitrary external videos are not accepted'). It also names the poll target getApiJob and the sibling tools that produce valid sources, so the agent knows both when to use it and what to do next.

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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