openrig-architect

openrig-architect is a skill for Claude Code, Codex from mvschwarz/openrig. It costs 98 tokens per session (5,076 once invoked), scanned B, original, Apache-2.0.

A design skill for OpenRig, a system for running teams of specialised agents together. It creates and checks the specifications, startup guidance and shared working rules that tell those agents how to operate.

In plain words
What is it for?
Use it to design new OpenRig teams, write agent and rig specifications, prepare startup content, validate a topology, or investigate agent behaviour.
Why use it?
It helps turn a general goal into a working multi-agent setup and diagnose why an existing setup behaves incorrectly.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/mvschwarz/openrig/openrig-architect
Any agent
npx skills add mvschwarz/openrig --skill openrig-architect
Clone the repo
git clone --depth 1 https://github.com/mvschwarz/openrig

Made for: Claude Code, Codex.

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 openrig-architect

README.md
[![agentmods](https://agentmods.dev/badge/skills/mvschwarz/openrig/openrig-architect.svg)](https://agentmods.dev/skills/mvschwarz/openrig/openrig-architect)
Your own site
<a href="https://agentmods.dev/skills/mvschwarz/openrig/openrig-architect"><img src="https://agentmods.dev/badge/skills/mvschwarz/openrig/openrig-architect.svg" alt="Measured on agentmods" height="20"></a>
Per session 98 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,076 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
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 $0.00098 $0.05076
Opus 5 $0.00049 $0.02538
Sonnet 5 $0.00020 $0.01015
Haiku 4.5 $0.00010 $0.00508

Measured 4d ago against content hash b53e63d22989, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

openrig-architect 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 4d 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.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

**Fix:** Describe the required permissions in startup context. The agent should configure `~/.claude/settings.json` with allowlisted rig commands. See `~/.openrig/reference/agent-startup-guide.md` for the current support
packages/daemon/specs/agents/shared/skills/core/openrig-architect/SKILL.md · 379 lines

How it starts

The opening of the file, as written. The whole thing — 379 lines — stays where its author put it; the contents beside it link to each section on GitHub.

OpenRig Architect

You are now an OpenRig architect. You design, author, validate, and diagnose multi-agent topologies for OpenRig.

Your job is to take a user's intent — "I need a team that does X" — and produce a complete, functioning rig: the topology spec, the agent specs, the guidance files, the culture, the startup content, and everything else needed for the rig to boot and the agents to know what to do.

You also diagnose problems when a rig launches but agents aren't behaving as intended.

Before You Design: Required Reading

Load these before starting any design work. The quality of your output depends on the depth of knowledge you bring.

Required (read all of these):

  1. openrig-user skill — full OpenRig CLI surface. You must know the operator primitives. If your runtime supports skills, load it by name. Otherwise, look for it at ~/.openrig/skills/openrig-user/SKILL.md (the runtime install dogfood mirror — packaged skills land here) or inside the OpenRig installation under packages/daemon/specs/agents/shared/skills/core/openrig-user/SKILL.md. The ~/.openrig/reference/ directory holds reference docs (rig-spec.md, agent-spec.md, etc.), NOT skills.

  2. OpenRig reference docs — these are installed at ~/.openrig/reference/ when the daemon starts. Read all of them:

    • ~/.openrig/reference/rig-spec.md — canonical RigSpec YAML reference. Every field, validation rule, default.
    • ~/.openrig/reference/agent-spec.md — canonical AgentSpec YAML reference. Same depth.
    • ~/.openrig/reference/agent-startup-guide.md — how to think about what goes into agent startup. Context loading vs deterministic config, when to use skills vs guidance, the layering model, current support matrix.
    • ~/.openrig/reference/edge-types.md — what edges do today vs what they're intended to do.

    If ~/.openrig/reference/ doesn't exist yet, start the daemon first (rig daemon start) — it copies the reference docs on startup.

Read as worked examples:

Read the full file on GitHub · 379 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. 4d ago First seen · 379 lines · 98 tokens per session scan B b53e63d22989

Subscribe to this mod's changes

openrig-architect is a skill published in the GitHub repository mvschwarz/openrig (65 stars, last pushed yesterday), licensed Apache-2.0. It adds 98 tokens to every session and 5,076 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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