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 ryvn-technologies/skills --skill use-ryvngit clone --depth 1 https://github.com/ryvn-technologies/skillsWrote 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/ryvn-technologies/skills/use-ryvn)<a href="https://agentmods.dev/skills/ryvn-technologies/skills/use-ryvn"><img src="https://agentmods.dev/badge/skills/ryvn-technologies/skills/use-ryvn/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/ryvn-technologies/skills/use-ryvn"><img src="https://agentmods.dev/badge/skills/ryvn-technologies/skills/use-ryvn.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 | $0.00103 | $0.02160 |
| Opus 5 | $0.00051 | $0.01080 |
| Sonnet 5 | $0.00021 | $0.00432 |
| Haiku 4.5 | $0.00010 | $0.00216 |
Grade A, and why
use-ryvn 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 9d 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 — 157 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Use Ryvn
Ryvn resource model
Ryvn organizes infrastructure in a hierarchy:
- Organization is the top-level billing and team scope. A user belongs to one or more organizations.
- Environment is an isolated infrastructure plane inside an organization (for example,
production,staging). Environments are provisioned with cloud infrastructure (GCP). - Service is a deployable unit managed by Ryvn. Services define what can be deployed.
- Service Installation (or just "installation") is a deployment of a service into a specific environment. This is the primary unit of deployment.
- Blueprint is a template that defines a set of services and their configuration.
- Blueprint Installation is an instance of a blueprint deployed to an environment.
- Release Channel controls version flows for services.
- Promotion Pipeline manages staged releases across environments.
- Maintenance Window defines scheduled maintenance periods for an environment.
- Connection is an external integration (Infisical for secrets, Temporal for workflows).
- Variable Group is a shared configuration group that can be attached to services.
- Preview is a PR/feature preview deployment.
Most CLI commands use resource-type shorthand aliases. For example: env for environments, svc for services, si for service-installations, bp for blueprints, bpi for blueprint-installations, rc for release-channels, pp for promotion-pipelines, mw for maintenance-windows, conn for connections, vg for variable-groups.
Preflight
Before any mutation, verify context:
command -v ryvn # CLI installed
ryvn auth status # authenticated and current profile
ryvn --version 2>&1 || true # check CLI version
If the CLI is missing, guide the user to install it. If not authenticated, run ryvn auth login.
If a profile needs to be switched, use ryvn auth use profile <name>. To switch organizations, use ryvn auth use org <name-or-id>.
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.
- 9d ago First seen · 157 lines · 103 tokens per session scan A c1d5721676ae
use-ryvn is a skill published in the GitHub repository ryvn-technologies/skills (2 stars, last pushed 19d ago), licensed MIT. It adds 103 tokens to every session and 2,160 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 2026-08-31.
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