sindoq

sindoq is a skill for Claude Code from HappyHackingSpace/skills. It costs 57 tokens per session (894 once invoked), scanned A, original, MIT.

A Go software library for running code inside isolated environments, such as containers or virtual machines. It provides one interface for local and cloud execution providers.

In plain words
What is it for?
Building sandboxed code runners, executing code in languages such as Go or JavaScript, streaming output, and running tasks synchronously or asynchronously.
Why use it?
It helps run untrusted code without executing it directly on the main machine, while supporting different isolation technologies.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the happyhackingspace-skills plugin — 5 skills shipped together

Good fit Building sandboxed code runners, executing code in languages such as Go or JavaScript, streaming output, and running tasks synchronously or asynchronously.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/happyhackingspace/skills/sindoq
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 HappyHackingSpace/skills --skill sindoq
Clone the repo
git clone --depth 1 https://github.com/HappyHackingSpace/skills

Made for: Claude Code.

Or install happyhackingspace-skills, the plugin that ships this one along with the rest of its 5 skills.

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 sindoq

README.md
[![agentmods](https://agentmods.dev/badge/skills/happyhackingspace/skills/sindoq.svg)](https://agentmods.dev/skills/happyhackingspace/skills/sindoq)
Your own site
<a href="https://agentmods.dev/skills/happyhackingspace/skills/sindoq"><img src="https://agentmods.dev/badge/skills/happyhackingspace/skills/sindoq.svg" alt="Measured on agentmods" height="20"></a>
Per session 57 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 894 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00057 $0.00894
Opus 5 $0.00028 $0.00447
Sonnet 5 $0.00011 $0.00179
Haiku 4.5 $0.00006 $0.00089

Measured 7d ago against content hash 52a7fdc20a53, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

sindoq 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 7d 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.

skills/sindoq/SKILL.md · 119 lines

How it starts

The opening of the file, as written. The whole thing — 119 lines — stays where its author put it; the contents beside it link to each section on GitHub.

sindoq - AI Sandbox

sindoq (means "box" in Kurdish) is a Go SDK for sandboxed code execution. One API, any provider.

Installation

go get github.com/happyhackingspace/sindoq

Quick Start

One-liner Execution

result, err := sindoq.Execute(ctx, `print("Hello, World!")`)
fmt.Println(result.Stdout) // Hello, World!

With Specific Provider

sb, err := sindoq.Create(ctx, sindoq.WithProvider("docker"))
if err != nil {
    log.Fatal(err)
}
defer sb.Stop(ctx)

result, err := sb.Execute(ctx, `console.log("Hello")`, sindoq.WithLanguage("JavaScript"))
fmt.Println(result.Stdout)

Streaming Output

sb, err := sindoq.Create(ctx, sindoq.WithProvider("docker"))
defer sb.Stop(ctx)

err = sb.ExecuteStream(ctx, code, func(e *executor.StreamEvent) error {
    if e.Type == executor.StreamStdout {
        fmt.Print(e.Data)
    }
    return nil
})

Async Execution

results, err := sb.ExecuteAsync(ctx, code)
// Do other work...
result := <-results
fmt.Println(result.Stdout)

Providers

Provider Type Use Case
docker Local Development, CI/CD
podman Local Rootless containers
wasmer Local Cross-platform WASM sandbox (Linux, macOS, Windows)
nsjail Local Ultra-fast process isolation (~5ms, Linux only)
gvisor Local Strong isolation, syscall filtering (Linux only)
firecracker Local Maximum isolation (microVMs, Linux only)
landlock Local Kernel-level sandboxing via Landlock LSM (Linux 5.13+)
seatbelt Local Kernel-level sandboxing via sandbox-exec (macOS)
kubernetes Cloud Scalable workloads
vercel Cloud Serverless execution
e2b Cloud AI code interpreter

Provider Configuration

// Docker
sb, _ := sindoq.Create(ctx, sindoq.WithDockerConfig(sindoq.DockerConfig{
    Host: "unix:///var/run/docker.sock",
}))

// Vercel
sb, _ := sindoq.Create(ctx, sindoq.WithVercelConfig(sindoq.VercelConfig{
    Token: os.Getenv("VERCEL_TOKEN"),
}))

// E2B
sb, _ := sindoq.Create(ctx, sindoq.WithE2BConfig(sindoq.E2BConfig{
    APIKey: os.Getenv("E2B_API_KEY"),
}))

// Wasmer (cross-platform)
sb, _ := sindoq.Create(ctx, sindoq.WithWasmerConfig(sindoq.WasmerConfig{
    WasmerPath: "wasmer",
    TimeLimit:  30,
}))

// Seatbelt (macOS)
sb, _ := sindoq.Create(ctx, sindoq.WithSeatbeltConfig(sindoq.SeatbeltConfig{
    EnableNetwork: false,
}))

Read the full file on GitHub · 119 lines

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. 7d ago First seen · 119 lines · 57 tokens per session scan A 52a7fdc20a53

Subscribe to this mod's changes

sindoq is a skill published in the GitHub repository HappyHackingSpace/skills (5 stars, last pushed 6mo ago), licensed MIT. It adds 57 tokens to every session and 894 once invoked, about $0.0003 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 2026-08-31.

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