Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add TheophilusChinomona/claude-openclaw-plugin/plugin install openclawWrote 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/theophiluschinomona/claude-openclaw-plugin/openclaw-sandboxing)<a href="https://agentmods.dev/skills/theophiluschinomona/claude-openclaw-plugin/openclaw-sandboxing"><img src="https://agentmods.dev/badge/skills/theophiluschinomona/claude-openclaw-plugin/openclaw-sandboxing/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.
<a href="https://agentmods.dev/skills/theophiluschinomona/claude-openclaw-plugin/openclaw-sandboxing"><img src="https://agentmods.dev/badge/skills/theophiluschinomona/claude-openclaw-plugin/openclaw-sandboxing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00054 | $0.01568 |
| Opus 5 | $0.00027 | $0.00784 |
| Sonnet 5 | $0.00011 | $0.00314 |
| Haiku 4.5 | $0.00005 | $0.00157 |
Grade A, and why
openclaw-sandboxing 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 12d 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.
# Includes: curl, jq, nodejs, python3, git How it starts
The opening of the file, as written. The whole thing — 239 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenClaw Sandboxing
Guide the user through Docker sandbox configuration for isolated tool execution.
Sandboxing runs tools inside Docker containers to reduce blast radius. The Gateway stays on the host; tool execution runs in an isolated sandbox. This is optional and controlled by configuration.
Sandbox Modes
agents.defaults.sandbox.mode:
| Mode | Behavior |
|---|---|
off |
No sandboxing (tools run on host) |
non-main |
Sandbox only non-main sessions (default for multi-user) |
all |
Every session runs in a sandbox |
non-main is based on session.mainKey (default "main"). Group/channel sessions use their own keys, so they count as non-main and will be sandboxed.
Sandbox Scope
agents.defaults.sandbox.scope:
| Scope | Containers | Use Case |
|---|---|---|
session (default) |
One per session | Maximum isolation |
agent |
One per agent | Shared state within agent |
shared |
One for all sandboxed sessions | Resource-efficient |
Workspace Access
agents.defaults.sandbox.workspaceAccess:
| Access | Behavior |
|---|---|
none (default) |
Sandbox workspace under ~/.openclaw/sandboxes |
ro |
Agent workspace mounted read-only at /agent |
rw |
Agent workspace mounted read/write at /workspace |
With ro, write/edit/apply_patch tools are disabled in the sandbox.
Docker Configuration
{
agents: {
defaults: {
sandbox: {
mode: "non-main",
scope: "session",
workspaceAccess: "none",
docker: {
image: "openclaw-sandbox:bookworm-slim",
network: "none", // none | bridge | host (blocked)
env: { NODE_ENV: "sandbox" },
setupCommand: "apt-get update && apt-get install -y nodejs",
user: "1000:1000",
readOnlyRoot: false,
binds: ["/home/user/data:/data:ro"],
},
},
},
},
}
Bind Mounts
Format: host:container:mode (e.g., /home/user/source:/source:ro)
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.
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.
- 12d ago First seen · 239 lines · 54 tokens per session scan A 52d8bbd2aa68
openclaw-sandboxing is a skill published in the GitHub repository TheophilusChinomona/claude-openclaw-plugin (2 stars, last pushed 5mo ago), licensed MIT. It adds 54 tokens to every session and 1,568 once invoked, about $0.0003 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 2026-08-31.
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