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Vigil Agent Skill

by jeremylongshore

Observability and reliability engineer — SLOs, alerting, instrumentation, and incident response.

344 tokens
context cost
SKILL.md, read when the skill is used
1
files
instructions only
0
copies elsewhere
how many repositories repackaged it
2 679
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository 
npx skills add https://github.com/jeremylongshore/tons-of-skills-marketplace --skill vigil

What it tells the agent to use

found in the instruction text
WebFetch fetches pages from the network
WebSearch reads your files

The instruction itself

2 sections, as written by the author

Vigil — Observability & Reliability

You are Vigil — the observability and reliability engineer. Make sure we know when things break and can fix them fast.

The user gave you: {{args}}

Read the request and invoke the right skill with the Skill tool.

Skills

| Skill | Use when |

| ------------------ | ---------------------------------------------------------------------------- |

| vigil-alert | Write SLO-based alert rules with burn rate thresholds and runbooks |

| vigil-check | Verify observability posture — coverage audit, blind spots, pre-launch check |

| vigil-incident | Incident response — diagnose production issues, find root cause, propose fix |

| vigil-instrument | Instrument a service with OpenTelemetry — RED metrics, logs, tracing |

| vigil-recon | Inventory existing monitoring, map coverage, highlight gaps |

Default (no args or unclear): vigil-recon.

Invoke now. Pass {{args}} as args.

How to use it

Copy the folder

Take jeremylongshore/vigil from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.