Adds MiniMax’s non-text multimodal capabilities — image, speech, music (instrumental, with lyrics, or standalone lyrics), video — to Spora agents. Text/chat is provided by Spora’s built-in Anthropic-compatible driver pointed at MiniMax’s base URL (see below).

Installation

# Recommended — install via the Spora CLI
php bin/spora plugin:install spora-ai/spora-plugin-minimax
php bin/spora spora:install

# For development against a sibling git clone, pass --path:
php bin/spora plugin:install spora-ai/spora-plugin-minimax --path=/abs/path/to/checkout

# Alternative — drop a clone into the Spora repo
git clone https://github.com/spora-ai/spora-plugin-minimax.git plugins/minimax
php bin/spora spora:install

After install, tools are exposed as minimax:image, minimax:speech, minimax:music, minimax:video, minimax:video_v1.

Configuration

Settings → Tools → MiniMax. All five tools share the same MINIMAX_API_KEY (issued at https://platform.minimax.io → API Keys).

The default base_url is the Global endpoint (https://api.minimax.io). Operators in China should override base_url to https://api.minimaxi.com for the China-region endpoint.

Setting	Required	Default
api_key	yes	—
base_url	no	https://api.minimax.io (Global)
model	no	per provider (see below)
voice_id	no	English_PassionateWarrior
poll_interval_seconds	no	10 (video tools)
poll_timeout_seconds	no	900 (video tools)
submit_timeout_seconds	no	120 (video tools)
retrieve_timeout_seconds	no	30 (video_v1 only)

api_key fields are encrypted at rest by Spora’s ToolConfigService, masked in the UI, and never logged.

Per-tool parameters

Each tool accepts a prompt and returns ToolResult::ok (with the upstream CDN URL, valid 24h) or ToolResult::fail. Never throws — a single API failure cannot kill the agent loop.

Tool	Default model	Notes
minimax:image	image-01	aspect_ratio ∈ 1:1, 16:9, 4:3, 3:2, 2:3, 3:4, 9:16, 21:9
minimax:speech	speech-2.8-hd	TTS; voice_id, speed (0.5-2.0)
minimax:music	music-3.0	Operations: compose (instrumental or with lyrics, 1-3500 chars), write_lyrics (full song from a topic), edit_lyrics (rewrite existing lyrics). music-2.6 and music-cover are also accepted by the upstream endpoint.
minimax:video	MiniMax-H3	Async; multimodal. Operations: generate, resume, enhance_prompt, regenerate (2K upscale). See H3 video tool below.
minimax:video_v1	MiniMax-Hailuo-2.3	Fall-back for plans that don’t include H3. Legacy v1 API. See Video v1 (legacy) below.

The minimax:music tool’s action discriminator selects the operation. compose uses /v1/music_generation and accepts an optional lyrics parameter. The write_lyrics and edit_lyrics operations use /v1/lyrics_generation. All three operations share the same api_key, base_url, and (compose-only) model settings.

Debug logging: every tool emits debug / info / warning PSR-3 entries to the Spora logger (storage/spora.log). Enable debug level in the operator log config to see them. As of 1.2.0, no audit table is written — the v1-era minimax_generation_log was removed (write-only, no SELECTs) and replaced with these debug logs.

Error messages

MiniMaxHttpClient surfaces the upstream error.message on every 4xx/5xx response. For example, the v2 H3 endpoint returns:

MiniMax API returned HTTP 400: [2013] TokenPlan or Credit does not currently support MiniMax-H3 series models

— so the LLM can pivot to the v1 tool on the first failure instead of guessing. The agent’s media-agent.json includes a fall-back rule that triggers on this exact error.

H3 video tool

minimax:video uses MiniMax’s H3 multimodal video model. Only MiniMax-H3 is supported — the legacy Hailuo models (MiniMax-Hailuo-2.3, MiniMax-Hailuo-02, T2V-01-Director, T2V-01) are not exposed on this tool.

Operations

Operation	Description
generate (default)	Submit a new H3 task with text + optional image/video/audio references. Polls until succeeded, archives the MP4 to the Media Archive.
resume	Continue polling a previously submitted task by task_id. Use when a previous generate returned data.timed_out: true.
enhance_prompt	Send the same multimodal inputs to H3-Context-IR and return an enriched, structured prompt (no video is produced). Use the returned prompt in a follow-up generate call for best results.
regenerate	Upsample a finished 768P H3 video to 2K. Re-submits the original content[] with the previous 768P output as base_video. Requires a task_id from the original generate.

Generation modes (auto-detected)

• Text-to-video — only the prompt is supplied. aspect_ratio must be a concrete value (16:9, 9:16, etc.); adaptive falls back to 16:9.
• Image-to-video — first_frame_image (or both first_frame_image + last_frame_image) is supplied. aspect_ratio is forced to adaptive server-side.
• Reference-to-video — reference_images / reference_videos / reference_audio is supplied. aspect_ratio defaults to adaptive but can be overridden.

i2v and r2v are mutually exclusive — passing both first_frame_image and reference_* is rejected client-side.

Input limits

Limit	Value
prompt length	≤ 7000 chars
duration_seconds	integer 4–15 (default 6)
resolution	768P (default) or 2K
aspect_ratio	adaptive, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
Reference images	≤ 9
Reference videos	≤ 3
Reference audio	≤ 3
Frame images	≤ 2 (first + last)
Frame image size	≤ 30 MB, [256, 5760] px, aspect [0.4, 2.5]
Frame image format	JPG / JPEG / PNG / WEBP / HEIC / HEIF

URL hygiene

first_frame_image, last_frame_image, and the reference_* lists accept only http://, https://, mm_file://, or data: URIs (≤ 50 MB). Spora Media Archive URLs (/api/v1/assets/<token>.<ext>) are rejected — they aren’t reachable from MiniMax’s servers. For an uploaded image, either generate a fresh still via minimax:image first (recommended) or pass a publicly-reachable URL. See the minimax-image-to-video skill for the full workflow.

Video v1 (legacy)

minimax:video_v1 uses MiniMax’s legacy v1 video API. Re-introduced in 1.3.0 as a fall-back for operators whose TokenPlan doesn’t include MiniMax-H3 (the v2-only model). The v2 endpoint returns MiniMax API returned HTTP 400: [2013] TokenPlan or Credit does not currently support MiniMax-H3 series models — the LLM should retry with minimax:video_v1 and the same prompt.

Operations

Operation	Description
generate (default)	Submit a v1 task (text prompt). Polls until Success or timeout, then retrieves the download URL via /v1/files/retrieve.
resume	Continue polling a previously submitted v1 task by task_id. Use when a previous generate returned data.timed_out: true.

Models

MiniMax-Hailuo-2.3 (default), MiniMax-Hailuo-02, T2V-01-Director, T2V-01. The i2v siblings (MiniMax-Hailuo-2.3-Fast, I2V-01-Director, I2V-01-live, I2V-01) are listed in the matrix but rejected by this build until the i2v code path lands.

Resolution × duration matrix

Model	512P	720P	768P	1080P
MiniMax-Hailuo-2.3	—	6s	6s or 10s	6s
MiniMax-Hailuo-02	—	6s	6s or 10s	6s
T2V-01-Director	—	6s	—	6s
T2V-01	—	6s	—	6s

The Hailuo family is the only one that supports 10s (and only at 768P). The T2V-01 family has no 768P at all.

Settings

Setting	Default	Notes
api_key	— (required)	Shared with the v2 video tool.
base_url	https://api.minimax.io	Override for China-region or private gateway.
model	MiniMax-Hailuo-2.3	One of the four models above.
poll_interval_seconds	10	Seconds between status polls.
poll_timeout_seconds	900	Total wait window.
submit_timeout_seconds	120	Per-request timeout for the submit call.
retrieve_timeout_seconds	30	Per-request timeout for /v1/files/retrieve.

When to use v1 vs H3

Use minimax:video (H3) by default. Use minimax:video_v1 only when:

1. The H3 endpoint returns [2013] TokenPlan or Credit does not currently support MiniMax-H3 series models (the plan-tier cap).
2. The operator’s plan includes MiniMax-Hailuo-2.3 at 1080P 6s (H3 doesn’t expose 1080P).
3. The agent specifically needs a v1-only model configuration.

The Media Agent’s media-agent.json routing table includes a fall-back rule that triggers on the [2013] error and switches to minimax:video_v1 with the same prompt.

Skills

The plugin ships five skills:

• minimax-image — generate a still image from a prompt
• minimax-image-to-video — workflow skill chaining minimax:image → minimax:video for animation-from-still use cases
• minimax-music — instrumental / with-lyrics / standalone-lyrics music
• minimax-speech — TTS synthesis
• minimax-video — text-to-video, image-to-video, reference-to-video (the canonical H3 reference)
• minimax-video-v1 — fall-back v1 video generation

The Media Agent template (agent-templates/media-agent.json) enables the four video operations on minimax:video (including enhance_prompt and regenerate), the two video operations on minimax:video_v1, and exposes the minimax-image-to-video and minimax-video-v1 workflow skills.

Text generation via MiniMax

Spora’s Anthropic-compatible driver talks to MiniMax’s Anthropic-protocol endpoint. Configure any agent with:

• llm_provider: anthropic
• base_url (Global / international): https://api.minimax.io/anthropic
• base_url (China): https://api.minimaxi.com/anthropic
• llm_api_key: the same MINIMAX_API_KEY
• llm_model: e.g. MiniMax-M3

No plugin code is involved.

Development

composer install
composer analyse            # PHPStan
composer test:parallel       # Pest — 212 tests, ~50 s
composer lint               # PHP-CS-Fixer dry-run

CI: .github/workflows/ci.yml — Pest on PHP 8.4 + 8.5, PHPStan per phpstan.neon, php-cs-fixer dry-run. A separate coverage job runs Pest with pcov and uploads coverage.xml + JUnit; the sonar job then uploads both to SonarCloud (project key spora-ai_spora-plugin-minimax), so the new_coverage metric is measurable per PR. Requires the SONAR_TOKEN secret in the repo. MIT license.

Notes

MiniMax no longer ships a database migration or a MiniMaxLogWriter. The 0.x-era minimax_generation_log audit table was removed in 1.2.0 (write-only with no SELECTs) and the writer replaced with PSR-3 debug logs. The plugin’s schemaVersion() override and the illuminate/database Composer require were dropped alongside it. Plugin authors using this plugin as a reference should consult spora-plugin-memories for the canonical schema-version + migration example, and the lifecycle events section for the current hook surface.

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Repo: spora-ai/spora-plugin-minimax · MIT

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Contributors: Fabian Graßl

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