# Anthropic Sandbox Runtime

> Anthropic Sandbox Runtime is an officially published AI tool from Anthropic. Anomity scores its risk at 10 out of 100 (low).

- **Canonical URL:** https://catalog.anomity.ai/agent/anthropic-sandbox-runtime
- **Kind:** AI tool
- **Publisher:** Anthropic
- **Trust level:** official
- **Risk score:** 10/100 (low)
- **Website:** https://github.com/anthropics/sandbox-runtime
- **Last updated:** 2026-11-01
- **JSON:** https://catalog.anomity.ai/api/entries/agent/anthropic-sandbox-runtime

## Description

OS-level filesystem and network sandbox (srt) for AI agents, MCP servers and other processes, without a container

## Why it scored 10

The score starts at the catalog's neutral base of 50 and moves only through the signals below. The formula is published at https://catalog.anomity.ai/about — there is no model and no hidden heuristic.

| Signal | Contribution | Severity | Evidence |
| --- | --- | --- | --- |
| Published by the vendor | -40 | trust offset |  |

Clamped result: **10/100**, band **low**.

## Configuration surface

Files this tool reads on the host. Anything written here changes what the agent does next.

- `srt-settings` — Sandbox settings: filesystem read/write rules, network domain allowlist, Unix sockets and isolation relaxations (.srt-settings.json)
    - win32: `${USERPROFILE}\.srt-settings.json`
    - darwin: `${HOME}/.srt-settings.json`
    - linux: `${HOME}/.srt-settings.json`

## Related AI tools

- [5ire](https://catalog.anomity.ai/agent/5ire) — risk 10 (low)
- [9Router](https://catalog.anomity.ai/agent/9router) — risk 10 (low)
- [AdaL](https://catalog.anomity.ai/agent/adal) — risk 10 (low)
- [Agent Orchestrator](https://catalog.anomity.ai/agent/agent-orchestrator) — risk 10 (low)
- [Agent Zero](https://catalog.anomity.ai/agent/agent-zero) — risk 10 (low)
- [AIChat](https://catalog.anomity.ai/agent/aichat) — risk 10 (low)

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Source: Anomity Security Database (https://catalog.anomity.ai/). Scoring methodology: https://catalog.anomity.ai/about. Machine-readable index: https://catalog.anomity.ai/llms.txt · https://catalog.anomity.ai/openapi.json