oma-observability

oma-observability is a skill for Claude Code from first-fluke/oh-my-agent. It costs 31 tokens per session (3,475 once invoked), scanned A, original, MIT.

A routing layer for observability work, meaning the collection and use of metrics, logs, traces, profiles, and user-activity signals to understand software systems. It directs requests to the relevant vendor or observability category.

In plain words
What is it for?
Use it to design monitoring pipelines, connect traces across service boundaries, tune telemetry transport, investigate incidents, choose observability tools, and define monitoring as code.
Why use it?
It helps choose the right path when an incident or monitoring task spans several systems, services, or kinds of data. It also covers how signals move between components and how to investigate where a failure occurred.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: installed under .agents/ (shared by several agents).

Part of the oma plugin — 33 skills shipped together , and of oma

Good fit Use it to design monitoring pipelines, connect traces across service boundaries, tune telemetry transport, investigate incidents, choose observability tools, and define monitoring as code.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/first-fluke/oh-my-agent/oma-observability
About the project

oh-my-agent is a harness for checking whether coding agents actually completed their work by verifying tests, required artifacts, independent reviews, and recorded decisions. It is used across multiple agent runtimes to make workflow results auditable instead of relying on an agent's own report. The catalogue add-ons provide parts of its skills, agents, hooks, MCP integrations, instructions, and plugins.

first-fluke/oh-my-agent · 1,354 stars · on GitHub · firstfluke.com

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 first-fluke/oh-my-agent --skill oma-observability
Clone the repo
git clone --depth 1 https://github.com/first-fluke/oh-my-agent

Made for: Claude Code.

Or install oma, the plugin that ships this one along with the rest of its 33 skills.

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 oma-observability

README.md
[![agentmods](https://agentmods.dev/badge/skills/first-fluke/oh-my-agent/oma-observability/github.svg)](https://agentmods.dev/skills/first-fluke/oh-my-agent/oma-observability)
Your own site
<a href="https://agentmods.dev/skills/first-fluke/oh-my-agent/oma-observability"><img src="https://agentmods.dev/badge/skills/first-fluke/oh-my-agent/oma-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 oma-observability

Your own site · 80×15
<a href="https://agentmods.dev/skills/first-fluke/oh-my-agent/oma-observability"><img src="https://agentmods.dev/badge/skills/first-fluke/oh-my-agent/oma-observability.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,475 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00031 $0.03475
Opus 5.5 $0.00012 $0.01390
Sonnet 5.5 $0.00006 $0.00695
Haiku 4.5 $0.00003 $0.00347

Measured 1mo ago against content hash c8568b9f5df5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

oma-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 1mo 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.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

.agents/skills/oma-observability/SKILL.md · 227 lines

How it starts

The opening of the file, as written. The whole thing — 227 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Observability Agent - Intent-based Router

Scheduling

Goal

Route, design, tune, and review observability work across MELT+P signals, layers, boundaries, vendor categories, transport choices, meta-observability, and incident forensics.

Intent signature

  • User asks for observability, telemetry, OTel, metrics, logs, traces, profiles, SLOs, RUM, APM, incident forensics, trace propagation, transport tuning, or observability-as-code.
  • User needs vendor/category routing or observability architecture instead of a single vendor's already-covered setup.

When to use

  • Setting up an observability pipeline (OTel SDK + Collector + vendor backend)
  • Designing traceability across service and domain boundaries (W3C propagators, baggage, multi-tenant, multi-cloud)
  • Tuning transport layer (UDP/MTU, OTLP gRPC vs HTTP, Collector DaemonSet vs sidecar topology)
  • Running incident forensics (6-dimension localization: code / service / layer / host / region / infra)
  • Selecting a vendor category (OSS full-stack vs commercial SaaS vs high-cardinality specialist vs profiling specialist)
  • Implementing observability-as-code (Grafana Jsonnet dashboards, PrometheusRule CRD, OpenSLO YAML, SLO burn-rate alerts)
  • Meta-observability (pipeline self-health, clock skew detection, cardinality guardrails, retention matrix)
  • Covering the MELT+P signal set: metrics, logs, traces, profiles (OTEP 0239), cost (OpenCost), audit (SOC2/ISO), privacy (GDPR/PIPA)
  • Evaluating log-pipeline migrations against current upstream support and project requirements

When NOT to use

  • LLM ops (prompt versioning, evals, gen_ai span deep dive); use Langfuse, Arize Phoenix, LangSmith, or Braintrust directly
  • Data pipeline lineage: use OpenLineage + Marquez, dbt test, or Airflow lineage backends
  • IoT / hardware / datacenter physical-layer telemetry (IPMI, BMC, SNMP); use vendor DCIM tooling (Nlyte, Sunbird, Device42)
  • Chaos engineering orchestration: use Chaos Mesh, Litmus, Gremlin, or ChaosToolkit (this skill consumes their telemetry; it does not orchestrate chaos)
  • GPU / TPU infrastructure observability: use NVIDIA DCGM Exporter + Prometheus
  • Software supply chain (SBOM, attestation): use sigstore (cosign / rekor), in-toto framework, SLSA level attestations
  • Incident response workflow (on-call rotation, paging, escalation); use PagerDuty, OpsGenie, or Grafana OnCall
  • Full TLS packet inspection: use packet-analysis or vendor TLS inspection tooling
  • Single-vendor setup already fully covered by that vendor's own published skill; invoke the vendor skill directly

Read the full file on GitHub · 227 lines

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. 1mo ago Changed · -4 lines · -47 tokens per session c8568b9f5df5
  2. 1mo ago Changed · -94 lines f2c20cf7897b
  3. 1mo ago First seen · 325 lines · 78 tokens per session scan A c40a1e367611

Subscribe to this mod's changes

oma-observability is a skill published in the GitHub repository first-fluke/oh-my-agent (1,354 stars, last pushed yesterday), licensed MIT. It adds 31 tokens to every session and 3,475 once invoked, about $0.0001 per session on Opus 5.5. 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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