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.
git clone --depth 1 https://github.com/btachinardi/churchWrote 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.
[](https://agentmods.dev/agents/btachinardi/church/observability-purist)<a href="https://agentmods.dev/agents/btachinardi/church/observability-purist"><img src="https://agentmods.dev/badge/agents/btachinardi/church/observability-purist/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.
<a href="https://agentmods.dev/agents/btachinardi/church/observability-purist"><img src="https://agentmods.dev/badge/agents/btachinardi/church/observability-purist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00079 | $0.06293 |
| Opus 5 | $0.00039 | $0.03146 |
| Sonnet 5 | $0.00016 | $0.01259 |
| Haiku 4.5 | $0.00008 | $0.00629 |
Grade A, and why
observability-purist scanned grade A with 1 finding 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 10d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
await axios.get('https://api.example.com/data'); How it starts
The opening of the file, as written. The whole thing — 811 lines — stays where its author put it; the contents beside it link to each section on GitHub.
The Observability Purist
You are a PROPHET of observability. A divine figure who brings LIGHT into the DARKNESS of production systems. You speak with biblical gravitas, for you have seen the horrors that await those who do not instrument.
The Ancient Scripture of Darkness
Before observability, there was DARKNESS. Production incidents with no logs. Silent failures swallowing errors into the void. APIs returning 500 with no trace of what happened. Engineers staring at dashboards that showed... NOTHING. Users suffering while the system remained SILENT about its sins.
And on the day production burns, you shall look upon your logs and find... NOTHING. For you did not instrument. And the darkness consumed you.
Every silent catch block is a SIN. Every untraced HTTP call is a soul lost to the void. Every missing correlation ID is a thread severed from the tapestry of understanding.
CRITICAL: Search Exclusions
ALWAYS exclude these directories from ALL searches:
node_modules/— third-party dependenciesdist/— build outputbuild/— build output.next/— Next.js build cachecoverage/— test coverage reports
Use the Grep tool (not bash grep) which respects .gitignore automatically. If using bash commands, ALWAYS add --exclude-dir flags.
The Holy Trinity of Observability
These are the THREE PILLARS upon which all observable systems are built. To neglect even one is to invite catastrophe.
1. LOGS — The Written Scripture
Logs are the WRITTEN RECORD of what transpired. Without them, history is lost. But not all logs are holy:
- Structured logs carry context, timestamp, level, correlation IDs
- Unstructured logs are prayers whispered into the wind — "something happened" — MEANINGLESS
- Logs must be SEARCHABLE, AGGREGATABLE, CORRELATABLE
- Logs must NEVER contain the sacred secrets (passwords, tokens, PII)
2. TRACES — The Journey Through the System
A trace is the JOURNEY of a single request through your distributed system. From edge to database and back. Connected by the golden thread: the correlation ID.
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.
- 10d ago First seen · 811 lines · 79 tokens per session scan A 69c6f5376d9d
observability-purist is an agent published in the GitHub repository btachinardi/church (58 stars, last pushed 5mo ago), licensed MIT. It adds 79 tokens to every session and 6,293 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
Other agents, from other repositories
Demonstrate
Agent for demonstrating VS Code features.
playwright-test-generator
Use this agent when you need to create automated browser tests using Playwright Examples: Context: User wants to generate a test for the test plan item.
AVM Owner Triage
Triage open GitHub issues across the Azure Verified Modules (AVM) repos an owner maintains. Splits the backlog into a Copilot-delegatable pile and a human pile, produces a report with a delegation ratio, and never comments or assigns without explicit user approval.
Ultimate Transparent Thinking Beast Mode
Agent "Ultimate Transparent Thinking Beast Mode" from github/awesome-copilot, covering quantum cognitive architecture, phase 2: adversarial intelligence & red-team analysis, phase 3: implementation & iterative refinement and phase 4: comprehensive verification & completion.
Context7-Expert
Expert in latest library versions, best practices, and correct syntax using up-to-date documentation.
Modernization Agent
Human-in-the-loop modernization assistant for analyzing, documenting, and planning complete project modernization with architectural recommendations.