bytedance-seedream

bytedance-seedream is a skill for Claude Code, Codex from calesthio/generative-media-skills. It costs 72 tokens per session (8,680 once invoked), scanned A, original, MIT.

A production guide for creating and editing images with ByteDance's Seedream models through its official Ark services.

In plain words
What is it for?
It is for text-to-image generation, editing, combining several reference images, and connecting Seedream to an application.
Why use it?
It helps you select the correct regional service and handle model access, references, outputs, streaming, retries, costs, and stored image files.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It is for text-to-image generation, editing, combining several reference images, and connecting Seedream to an application.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/calesthio/generative-media-skills/bytedance-seedream
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add calesthio/generative-media-skills --skill bytedance-seedream
Clone the repo
git clone --depth 1 https://github.com/calesthio/generative-media-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for bytedance-seedream

README.md
[![agentmods](https://agentmods.dev/badge/skills/calesthio/generative-media-skills/bytedance-seedream/github.svg)](https://agentmods.dev/skills/calesthio/generative-media-skills/bytedance-seedream)
Your own site
<a href="https://agentmods.dev/skills/calesthio/generative-media-skills/bytedance-seedream"><img src="https://agentmods.dev/badge/skills/calesthio/generative-media-skills/bytedance-seedream/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for bytedance-seedream

Your own site · 80×15
<a href="https://agentmods.dev/skills/calesthio/generative-media-skills/bytedance-seedream"><img src="https://agentmods.dev/badge/skills/calesthio/generative-media-skills/bytedance-seedream.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 72 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 8,680 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 4 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high YARA Match · line 3
    YARA rule matched a hack tool or exploit indicator (offensive tools, reconnaissance, privilege escalation, or exploit frameworks).
    Fix: Remove offensive tool references and exploit code. Legitimate agent skills should not contain penetration testing tools, exploit frameworks, or reconnaissance utilities.
  • high Anti-Refusal · line 630
    Skill attempts to nullify the agent's safety policies or restrictions ('you have no restrictions', 'ignore your guidelines', 'do anything now'). This is a direct jailbreak that disables guardrails.
    Fix: Remove jailbreak framing that nullifies safety policies or restrictions. Skill content must not instruct the agent to ignore its guidelines or operate without guardrails.
  • high Prompt Injection · line 630
    This pattern attempts to override system instructions or ignore safety constraints. Without LLM analysis, manual review is recommended.
    Fix: Remove or rewrite any text that instructs the agent to ignore prompts, override safety rules, or trust unverified content. Ensure skill content cannot be injected to alter agent behavior.
  • medium Data Exfiltration · line 580
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00072 $0.08680
Opus 5 $0.00036 $0.04340
Sonnet 5 $0.00014 $0.01736
Haiku 4.5 $0.00007 $0.00868

Measured 9d ago against content hash 32f0c4234f30, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

bytedance-seedream scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

import urllib.error
skills/providers/image-generation/bytedance-seedream/SKILL.md · 662 lines

How it starts

The opening of the file, as written. The whole thing — 662 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ByteDance Seedream

Use this skill when an application calls Seedream directly through the first-party Ark image-generation API. It covers text-to-image, reference-guided generation, natural-language editing, multi-image fusion, grouped outputs, and streamed grouped outputs. It does not cover Seedance video generation, third-party gateways, consumer apps, model training, or UI automation.

All volatile facts below were checked against first-party documentation on 2026-07-09. Recheck the linked model catalog, availability, pricing, and retirement pages before a production launch.

Evidence labels

  • Documented means a current ByteDance Seed, Volcengine, or BytePlus page states the behavior.
  • Provider claim means a first-party product or research page makes a qualitative performance claim; treat it as marketing until tested on the application's corpus.
  • Operational recommendation means a production practice inferred from the documented contract, not a provider guarantee.
  • Unknown means the first-party pages reviewed do not establish the behavior. Feature-detect or ask support instead of inventing a contract.

Choose the commercial surface first

Model IDs and hosts are not interchangeable.

Deployment API base Current image model IDs documented on 2026-07-09 Important boundary
Volcengine Ark, China https://ark.cn-beijing.volces.com/api/v3 doubao-seedream-5-0-pro-260628, doubao-seedream-5-0-260128 (also documented as alias doubao-seedream-5-0-lite-260128), doubao-seedream-4-5-251128, doubao-seedream-4-0-250828 China host and doubao-... IDs only
BytePlus ModelArk, Asia Pacific https://ark.ap-southeast.bytepluses.com/api/v3 seedream-5-0-260128 (also documented as alias seedream-5-0-lite-260128), seedream-4-5-251128, seedream-4-0-250828 Global host and non-doubao IDs only
BytePlus ModelArk, Europe https://ark.eu-west.bytepluses.com/api/v3 Seedream 5.0 Lite is documented for EU; confirm the live catalog before deploying any other version The availability page prohibits restricted models, including Seedream 4.0, in the EU/EU market

Read the full file on GitHub · 662 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 662 lines · 72 tokens per session scan A 32f0c4234f30

Subscribe to this mod's changes

bytedance-seedream is a skill published in the GitHub repository calesthio/generative-media-skills (170 stars, last pushed 2mo ago), licensed MIT. It adds 72 tokens to every session and 8,680 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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