observability-slo

observability-slo is a skill for Claude Code, Codex from jh941213/codex-lattice. It costs 50 tokens per session (324 once invoked), scanned A, original, MIT.

A guide for monitoring software in production using logs, metrics, traces, service-level indicators, objectives, alerts, dashboards, and runbooks. An SLI is a measured aspect of service quality, while an SLO is its target level.

In plain words
What is it for?
Use it when adding or reviewing production visibility, reliability targets, error budgets, alerts, dashboards, logs, traces, metrics, or incident response instructions.
Why use it?
It helps connect monitoring signals to real user impact instead of collecting noisy data or alerts that no one can act on. It also defines what operators should do when a service falls below its target.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when adding or reviewing production visibility, reliability targets, error budgets, alerts, dashboards, logs, traces, metrics, or incident response instructions.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jh941213/codex-lattice/observability-slo
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.

Any agent
npx skills add jh941213/codex-lattice --skill observability-slo
Clone the repo
git clone --depth 1 https://github.com/jh941213/codex-lattice

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 observability-slo

README.md
[![agentmods](https://agentmods.dev/badge/skills/jh941213/codex-lattice/observability-slo/github.svg)](https://agentmods.dev/skills/jh941213/codex-lattice/observability-slo)
Your own site
<a href="https://agentmods.dev/skills/jh941213/codex-lattice/observability-slo"><img src="https://agentmods.dev/badge/skills/jh941213/codex-lattice/observability-slo/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.

agentmods 80×15 button for observability-slo

Your own site · 80×15
<a href="https://agentmods.dev/skills/jh941213/codex-lattice/observability-slo"><img src="https://agentmods.dev/badge/skills/jh941213/codex-lattice/observability-slo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 324 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00050 $0.00324
Opus 5 $0.00025 $0.00162
Sonnet 5 $0.00010 $0.00065
Haiku 4.5 $0.00005 $0.00032

Measured 9d ago against content hash cb43f81ec264, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

observability-slo 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.

skills/observability-slo/SKILL.md · 34 lines

What it actually says

Observability And SLO

Use this skill when a change needs production visibility, alerting, SLOs, or dashboard/runbook updates.

Workflow

  1. Identify the user-visible behavior that should be measured.
  2. Define SLIs before alerts: availability, latency, correctness, freshness, durability, or throughput.
  3. Define SLO targets and error budget policy in docs/harness/SLO_POLICY.md.
  4. Map telemetry:
    • logs for discrete events and audit trails
    • metrics for aggregate health and alerting
    • traces for request paths and dependency latency
  5. Add alert criteria only when a human action is expected.
  6. Update docs/harness/OBSERVABILITY.md and docs/harness/OPERATIONS_RUNBOOK.md.
  7. Add dashboard and runbook links or placeholders when live URLs are not available.

Alert Quality Checklist

  • The alert maps to a user impact or fast-moving risk.
  • The alert has an owner and runbook.
  • The runbook includes first diagnostics, rollback, and escalation.
  • The threshold avoids paging for harmless noise.
  • The signal can distinguish service failure from dependency failure where possible.

Required Output

Return SLIs, SLOs, telemetry changes, alerts, dashboards, runbook updates, and remaining blind spots.

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. 9d ago First seen · 34 lines · 50 tokens per session scan A cb43f81ec264

Subscribe to this mod's changes

observability-slo is a skill published in the GitHub repository jh941213/codex-lattice (19 stars, last pushed 3mo ago), licensed MIT. It adds 50 tokens to every session and 324 once invoked, about $0.0003 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 2026-08-30.

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