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A field guide to the /vigil-recon skill

AI Observability Stack Inventory

Observability reconnaissance: inventories all monitoring, alerting, logging, and tracing infrastructure. Maps what is covered, what is completely blind, and what alerts exist with their current thresholds. Produces a monitoring coverage report that identifies the highest-risk gaps sorted by impact.

Vigil · Observability + Reliability4 min readDecember 1, 2025

Reconnaissance is the first thing a senior engineer does on an inherited project: read the lay of the land before changing anything. Skip it and the first change reveals an assumption that turned out to be wrong.

The /vigil-recon skill produces the recon for the uvigil domain. Observability reconnaissance: inventories all monitoring, alerting, logging, and tracing infrastructure. Maps what is covered, what is completely blind, and what alerts exist with their current thresholds. Produces a monitoring coverage report that identifies the highest-risk gaps sorted by impact.

Tonone's /vigil-recon skill produces a focused inventory of the uvigil domain before changes are made.

Install

/vigil-recon ships with the uvigil agent in Tonone for Claude Code. Install Tonone via tonone.ai/get-started. Tonone is free and MIT-licensed.

1. Add to marketplace

$ claude plugin marketplace add tonone-ai/tonone

2. Install Vigil

$ claude plugin install vigil@tonone-ai

Frequently asked questions

What does /vigil-recon do?
Observability reconnaissance: inventories all monitoring, alerting, logging, and tracing infrastructure. Maps what is covered, what is completely blind, and what alerts exist with their current thresholds. Produces a monitoring coverage report that identifies the highest-risk gaps sorted by impact.
How do I install /vigil-recon?
Install Tonone for Claude Code via tonone.ai/get-started. Tonone is free and MIT-licensed.

Pairs well with