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 OpenHands/extensions --skill runtime-api-configsgit clone --depth 1 https://github.com/OpenHands/extensionsWrote 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/openhands/extensions/runtime-api-configs)<a href="https://agentmods.dev/skills/openhands/extensions/runtime-api-configs"><img src="https://agentmods.dev/badge/skills/openhands/extensions/runtime-api-configs/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/openhands/extensions/runtime-api-configs"><img src="https://agentmods.dev/badge/skills/openhands/extensions/runtime-api-configs.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 | $0.00086 | $0.02417 |
| Opus 5.5 | $0.00034 | $0.00967 |
| Sonnet 5.5 | $0.00017 | $0.00483 |
| Haiku 4.5 | $0.00009 | $0.00242 |
Grade B, and why
runtime-api-configs scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
eval "$(sudo -E python3 scripts/warm_runtime_configs.py bootstrap --namespace openhands)" How it starts
The opening of the file, as written. The whole thing — 241 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Runtime API - Warm Runtime Configurations
This plugin manages the warm sandbox pools used by OpenHands Enterprise. It
replaces the ad-hoc warm-runtime-configs.sh shell script embedded in the
docs and gives administrators a single, testable Python CLI for the same
workflow.
The CLI talks HTTP to the runtime-api service. It never modifies the cluster
directly, and it uses only the Python standard library, so it runs anywhere
python3 is available.
When to use this skill
Reach for this skill whenever the user wants to:
- List the effective warm-runtime configurations on an OHE install.
- Add or update a custom sandbox image (e.g.
openhands-php:8.4-v1) so users can select it from the Settings → Application → Default Sandbox dropdown. - Delete a database-managed configuration, restoring an installer-managed entry with the same name.
- Refresh configurations after upgrading OHE, when API-managed frozen snapshots need to be re-derived from the new installer template.
- Bootstrap credentials (
RUNTIME_API_URL,API_KEY,ADMIN_PASSWORD) from Kubernetes secrets so subsequent runs need no cluster access.
If the user is instead asking how to build a custom sandbox image (Dockerfile, versioning), point them at Building a Custom Image
- image building is out of scope for this skill.
Prerequisites
- OpenHands Enterprise 0.64.0 or later.
- Python 3.9+ on the machine running the CLI. No third-party packages.
- The Runtime API Admin Password:
- VM (Replicated) installs: set via Admin Console → Config → Sandbox Configuration → Runtime API Admin Password.
- Helm installs: the value stored in the
admin-passwordKubernetes secret in the runtime-api namespace. Helm has no Admin Console.
- Helm installs only: the runtime-api chart must be running in overlay
mode and have warm pools enabled, so
v1_currentshows up inlistand can be used as atemplatesource. Set both in your umbrella values:
What ships with it
6 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.
- 11d ago Changed f0481e1b5a08
- 15d ago First seen · 241 lines · 86 tokens per session scan B a486ca632d79
runtime-api-configs is a skill published in the GitHub repository OpenHands/extensions (167 stars, last pushed today), licensed MIT. It adds 86 tokens to every session and 2,417 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-02.
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