bytedance/agentkit-samples is a collection of examples and tutorials for Volcengine AgentKit, an AI-agent development platform for building, deploying, and operating agent applications. Developers use the samples to learn agent creation, multi-agent collaboration, memory, retrieval, MCP integrations, media generation, customer service, and other workflows. The catalogue skills provide agent workflows based on these examples.
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.
npx skills add bytedance/agentkit-samples --skill byted-tos-file-processgit clone --depth 1 https://github.com/bytedance/agentkit-samplesWrote 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.
[](https://agentmods.dev/skills/bytedance/agentkit-samples/byted-tos-file-process)<a href="https://agentmods.dev/skills/bytedance/agentkit-samples/byted-tos-file-process"><img src="https://agentmods.dev/badge/skills/bytedance/agentkit-samples/byted-tos-file-process.svg" alt="Measured on agentmods" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00097 | $0.00921 |
| Opus 5 | $0.00048 | $0.00461 |
| Sonnet 5 | $0.00019 | $0.00184 |
| Haiku 4.5 | $0.00010 | $0.00092 |
Grade A, and why
byted-tos-file-process scanned grade A with 0 findings 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 4d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 95 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Volcengine TOS File Process
Compress and uncompress file objects stored in Volcengine TOS through the TOS gateway's file_jobs API.
Setup (once per environment)
Install dependencies on first use:
cd {baseDir}
pip install -r {baseDir}/requirements.txt
Then run scripts with Python 3.7+:
python3 {baseDir}/scripts/<script>.py <args>
Environment Variables
This skill relies on the TOS identity declared in the metadata block. Common runtime variables are:
| Environment Variable | Required | Description |
|---|---|---|
TOS_ACCESS_KEY |
Yes | TOS access key ID |
TOS_SECRET_KEY |
Yes | TOS secret access key |
TOS_ENDPOINT |
Yes | TOS endpoint URL |
TOS_REGION |
Yes | TOS region |
TOS_BUCKET |
Yes | Source bucket that stores the file objects |
TOS_OBJECT_KEY |
No | Source object key. Can be overridden with --key or --keys |
TOS_SECURITY_TOKEN |
No | STS session token when using temporary credentials |
Quick start
# Compress multiple TOS objects into a zip archive and wait for completion
python3 {baseDir}/scripts/file_compress.py \
--keys file1.jpg,file2.txt \
--format zip \
--output-key output/archive.zip \
--wait
# Uncompress a zip archive and wait for completion
python3 {baseDir}/scripts/file_uncompress.py \
--key output/archive.zip \
--prefix output/unzipped/ \
--wait
Available scripts
| Script | Purpose |
|---|---|
scripts/file_compress.py |
Submit an async FileCompress job via the TOS gateway's file_jobs API that compresses TOS objects into an archive (zip/tar/zst). Supports --wait to poll until completion. |
scripts/file_uncompress.py |
Submit an async FileUncompress job via the TOS gateway's file_jobs API that extracts an archive in TOS. Supports --wait to poll until completion. |
scripts/tos_jobs_client.py |
Shared client for TOS gateway file_jobs APIs using pre-signed URL auth. |
Rules
- TOS gateway API: This skill uses the TOS gateway's
file_jobsAPI withjob_type=FileCompressorjob_type=FileUncompress. Authentication is handled viapre_signed_urlfrom the TOS Python SDK and the TOS identity declared in themetadatablock above. - Supported archive formats: Compress supports
zip,tar, andzst. The output object key suffix must match the chosen format (.zip,.tar,.zst). - Async job model: The scripts create async jobs and optionally wait for completion with the
--waitflag. - Language: Reply in the user's preferred language.
What ships with it
8 files 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.
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.
- 4d ago First seen · 95 lines · 97 tokens per session scan A 0307bca41f08
byted-tos-file-process is a skill published in the GitHub repository bytedance/agentkit-samples (449 stars, last pushed 3d ago), licensed Apache-2.0. It adds 97 tokens to every session and 921 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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