| name | etherealness |
| description | Etherealness is observational only. It answers "what is happening?" or "what would happen?" without changing anything. The system under study continues normally; you add a ghost layer that watches, mirrors, or dry-runs without becoming part of the live mutation path. |
| version | 1.0.0 |
| author | Wizards of the Ghosts |
| license | CC0-1.0 |
| compatibility | Hermes Agent skills system |
| metadata | {"hermes":{"tags":["spell","prototype","metaphorical","investigation-and-preparation","analysis","discovery","translation","preflight"]}} |
Etherealness
Walk through the walls of a system without leaving fingerprints.
What This Skill Does
Etherealness is observational only. It answers "what is happening?" or "what would happen?" without changing anything. The system under study continues normally; you add a ghost layer that watches, mirrors, or dry-runs without becoming part of the live mutation path.
In this grimoire, Etherealness is treated as a metaphorical spell with a prototype delivery profile.
Canonical reference input: Etherealness (spell).
When To Use
- You need to observe production-like behavior without writing to the live system.
- A dry run, shadow deployment, or mirrored environment would answer the question more safely than direct experimentation.
- You want to inspect effects first and decide later whether crossing fully into action is justified.
Prerequisites
- No extra runtime dependencies beyond Hermes Agent and the normal toolset for this session.
Procedure
- Restate the target, the success condition, and any no-touch boundaries before taking action.
- Identify the least invasive observation surface that still answers the question. Prefer: existing metrics/logs → read replicas → shadow deployments → mirrored traffic. Escalate invasiveness only when necessary.
- Define the trust boundary. Explicitly state what the ghost view can prove and what it cannot. Dry runs don't capture live contention. Read replicas may lag. Mirrored traffic at 1% doesn't prove behavior at 100%.
- Return three deliverables:
- The observation setup plan (what to deploy, where, how to connect)
- Findings you can safely gather before acting
- A caveat list: what ghost mode cannot prove and what requires real execution to validate
- Package the result as the deliverables below, with confidence, assumptions, and unresolved risk called out explicitly.
Deliverables
- A read-only or shadow-observation setup plan.
- A list of findings you can gather safely before acting.
- A caveat list for what ghost mode cannot prove.
Pitfalls / Guardrails
- Call out the glue, permissions, or missing infrastructure before you imply this is fully operational.
- The observation itself must not become the problem. If your ghost layer adds measurable latency, consumes significant resources, or creates a new data liability, you've violated the spell. Design for lightweight passivity.
- Do not use for: Permanent logging/auditing — storing request bodies, headers, auth tokens for compliance. Etherealness is ephemeral; permanent storage is a different concern.
- Do not use for: Active interception/modification — rewriting responses, hotfix proxies, real-time traffic manipulation. Etherealness never modifies.
- Do not use for: External monitoring/scrying — watching competitor websites, market prices, third-party systems you don't control.
- Do not use for: Prediction/forecasting — crystal ball dashboards, failure prediction, trend extrapolation. Etherealness observes what is or what would be, not what will be.
- Do not use for: Concealment/invisibility — hiding services from discovery, making things undetectable. Etherealness is about seeing, not being unseen.
- Do not use for: Human surveillance — watching coworkers' screens, monitoring people. Etherealness is for systems, not people.
Verification
- Check that the result includes every deliverable promised above.
- Check that confirmed facts, assumptions, and inferences are visibly separated.
- Check that the metaphor still maps cleanly to a real operational mechanism.
- Check that any missing glue code, permissions, or future work is labeled before the skill is treated as ready.
Example Invocation
/etherealness show me how to inspect this system in read-only ghost mode and tell me what that view can and cannot prove
