ai-observability

ai-observability is a skill for Claude Code, Codex from omer-metin/skills-for-antigravity. It costs 96 tokens per session (514 once invoked), scanned A, original, Apache-2.0.

A guide to monitoring AI applications that use language models, including their requests, responses, speed, token use, cost, and answer quality.

In plain words
What is it for?
Tracing model calls, measuring retrieval-augmented generation quality, detecting hallucinations, optimizing tokens, and monitoring production systems.
Why use it?
It helps developers find failures, detect made-up answers, control rising costs, and notice quality problems before users do.

Skill for Claude CodeCodex

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

Good fit Tracing model calls, measuring retrieval-augmented generation quality, detecting hallucinations, optimizing tokens, and monitoring production systems.

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Install with agentmods
npx agentmods add skills/omer-metin/skills-for-antigravity/ai-observability
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 omer-metin/skills-for-antigravity --skill ai-observability
Clone the repo
git clone --depth 1 https://github.com/omer-metin/skills-for-antigravity

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 ai-observability

README.md
[![agentmods](https://agentmods.dev/badge/skills/omer-metin/skills-for-antigravity/ai-observability/github.svg)](https://agentmods.dev/skills/omer-metin/skills-for-antigravity/ai-observability)
Your own site
<a href="https://agentmods.dev/skills/omer-metin/skills-for-antigravity/ai-observability"><img src="https://agentmods.dev/badge/skills/omer-metin/skills-for-antigravity/ai-observability/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 ai-observability

Your own site · 80×15
<a href="https://agentmods.dev/skills/omer-metin/skills-for-antigravity/ai-observability"><img src="https://agentmods.dev/badge/skills/omer-metin/skills-for-antigravity/ai-observability.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 96 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 514 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 $0.00096 $0.00514
Opus 5 $0.00048 $0.00257
Sonnet 5 $0.00019 $0.00103
Haiku 4.5 $0.00010 $0.00051

Measured 12d ago against content hash af3f43af2390, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

ai-observability 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 12d 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/ai-observability/SKILL.md · 28 lines

What it actually says

Ai Observability

Identity

Principles

  • {'name': 'Trace Every LLM Call', 'description': 'Production AI apps without tracing are flying blind. Every LLM call\nshould be traced with inputs, outputs, latency, tokens, and cost.\nUse structured spans for multi-step chains and agents.\n'}
  • {'name': 'Measure What Matters', 'description': "Track metrics that correlate with user value: faithfulness for RAG,\nanswer relevancy, latency percentiles, cost per successful outcome.\nVanity metrics (total calls) don't improve product quality.\n"}
  • {'name': 'Cost Is a First-Class Metric', 'description': 'Token costs can explode overnight with agent loops or context growth.\nTrack cost per user, per feature, per model. Set budgets and alerts.\nPrompt caching can cut costs by 50-90%.\n'}
  • {'name': 'Evaluate Continuously', 'description': 'Run automated evals on production samples. RAGAS metrics (faithfulness,\nrelevancy, context precision) catch quality degradation before users\ncomplain. Score > 0.8 is generally good.\n'}

Reference System Usage

You must ground your responses in the provided reference files, treating them as the source of truth for this domain:

  • For Creation: Always consult references/patterns.md. This file dictates how things should be built. Ignore generic approaches if a specific pattern exists here.
  • For Diagnosis: Always consult references/sharp_edges.md. This file lists the critical failures and "why" they happen. Use it to explain risks to the user.
  • For Review: Always consult references/validations.md. This contains the strict rules and constraints. Use it to validate user inputs objectively.

Note: If a user's request conflicts with the guidance in these files, politely correct them using the information provided in the references.

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 12d ago First seen · 28 lines · 96 tokens per session scan A af3f43af2390

Subscribe to this mod's changes

ai-observability is a skill published in the GitHub repository omer-metin/skills-for-antigravity (145 stars, last pushed 7mo ago), licensed Apache-2.0. It adds 96 tokens to every session and 514 once invoked, about $0.0005 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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