Agent Observability Pattern
Conventions for observing a multi-step AI SDK agent in a Next.js app — how to model every agent boundary as a closed TypeScript discriminated union, emit it from a single recorder that isolates volatile experimental_ callback names, stream it as custom data-trace-event parts over the same UI message stream, reduce it in a store, and derive the view through pure selectors with cost computed in one pricing module. Use whenever creating, updating, or porting the src/lib/trace module — trace event union, recorder, pricing, run store, selectors, or the agent run route. Triggers include: 'observe the agent', 'trace events', 'agent timeline', 'token usage', 'tool call timeline', 'stream agent steps', 'cost per run', 'add a trace event', 'instrument the agent'.
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What this skill does
Agent Observability Pattern is a community-contributed Claude Code skill in the science-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/agent-observability-pattern/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use whenever creating, updating, or porting the src/lib/trace module — trace event union, recorder, pricing, run store, selectors, or the agent run route. Triggers include: 'observe the agent', 'trace events', 'agent timeline', 'token usage', 'tool call timeline', 'stream agent steps', 'cost per run', 'add a trace event', 'instrument the agent'.
Who uses this skill
The Agent Observability Pattern Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 168,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
How to install
Free
Manual install (2 steps)
mkdir -p ~/.claude/skills/agent-observability-pattern
curl -L https://claudskills.com/skills/agent-observability-pattern/SKILL.md \
-o ~/.claude/skills/agent-observability-pattern/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/agent-observability-pattern/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/agent-observability-pattern/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\agent-observability-pattern\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Telegram
📱 Install from your phone or desktop Telegram
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
Pro
One-click install via the desktop app
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
Pro
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Frequently asked questions
How do I install the Agent Observability Pattern Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy
SKILL.md from the source repository to
~/.claude/skills/agent-observability-pattern/SKILL.md and restart Claude Code. Both flows are detailed at
claudskills.com/install/.
What does the Agent Observability Pattern skill do?
Conventions for observing a multi-step AI SDK agent in a Next.js app — how to model every agent boundary as a closed TypeScript discriminated union, emit it from a single recorder that isolates volatile experimental_ callback names, stream it as custom data-trace-event parts over the same UI message stream, reduce it in a store, and derive the view through pure selectors with cost computed in one pricing module. Use whenever creating, updating, or porting the src/lib/trace module — trace event union, recorder, pricing, run store, selectors, or the agent run route. Triggers include: 'observe the agent', 'trace events', 'agent timeline', 'token usage', 'tool call timeline', 'stream agent steps', 'cost per run', 'add a trace event', 'instrument the agent'.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Agent Observability Pattern skill?
Use Agent Observability Pattern when your Claude Code task falls under the Science & Research category — specifically in the science misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Agent Observability Pattern" or describe the task and let Claude pick). Browse related skills at
/category/science/.
What is a Claude Code skill and how does the Agent Observability Pattern skill fit in?
A Claude Code skill is a
SKILL.md file that lives under
~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Agent Observability Pattern is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at
/learn/what-is-a-claude-skill/.
Attribution & license
Cite this skill
If you reference this skill in a blog post, paper, or documentation, you can cite it as:
APA
libattistella. (2026). Agent Observability Pattern [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/agent-observability-pattern/
BibTeX
@misc{agent-observability-pattern-2026,
author = {libattistella},
title = {Agent Observability Pattern [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/agent-observability-pattern/}
}Embed this skill
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Security scan
Grade A · scanned 2026-07-31 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
- ✓ Prompt injection
- ✓ Data exfiltration
- ✓ Supply chain
- ✓ Reverse shell
- ✓ Credentials
- ✓ Execution
- ✓ Filesystem
- ✓ Persistence
- ✓ Obfuscation
- ✓ Network
Show this grade on your repo (click to copy):
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