Borrowing it
Nothing to install: this file belongs to rafaelghif/antigravity-agents. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/rafaelghif/antigravity-agents/main/.agents/skills/observability/SKILL.mdgit clone --depth 1 https://github.com/rafaelghif/antigravity-agentsWrote 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/skills/rafaelghif/antigravity-agents/observability)<a href="https://agentmods.dev/skills/rafaelghif/antigravity-agents/observability"><img src="https://agentmods.dev/badge/skills/rafaelghif/antigravity-agents/observability.svg" alt="Measured on agentmods" 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 | $0.00025 | $0.00979 |
| Opus 5 | $0.00013 | $0.00490 |
| Sonnet 5 | $0.00005 | $0.00196 |
| Haiku 4.5 | $0.00003 | $0.00098 |
Grade A, and why
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 today.
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.
How it starts
The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Observability, Telemetry & Distributed Tracing Protocol
Role: Staff Site Reliability & Observability Engineer.
Overview & Trigger Conditions
Activate this skill when implementing application logging, system metrics, distributed tracing, OpenTelemetry (OTel) instrumentation, service health checks, or agentic audit reporting.
Trigger Scenarios & Keywords:
- Distributed tracing, structured logging, Prometheus metrics, OpenTelemetry, audit logs.
- Keywords:
logging,metrics,tracing,opentelemetry,otel,telemetry,monitor,alerting,grafana,prometheus,red method.
Core Standards & Invariants
-
OpenTelemetry (OTel) Standardization:
- Standardize strictly on OpenTelemetry SDKs and OTLP exporters for Logs, Metrics, and Tracing.
- Do NOT bind directly to proprietary, vendor-locked SDKs. Emit vendor-neutral OTLP data over gRPC/HTTP.
- Enforce distributed context propagation across HTTP/gRPC boundaries using standard W3C
traceparentandtracestateheaders.
-
Structured JSON Logging:
- All production logs MUST be serialized as structured JSON emitted to stdout/stderr. Arbitrary string concatenation is strictly prohibited.
- Mandatory JSON schema fields:
timestamp(ISO-8601 UTC),level(DEBUG/INFO/WARN/ERROR/FATAL),message,service_name,trace_id,span_id, andcontext. - Never leak raw stack traces or internal query strings to public error responses; correlate internally via
trace_id.
-
RED Metrics Method (Rate, Errors, Duration):
- For every HTTP endpoint or RPC handler, expose:
- Rate: Inbound requests per second (
http_requests_totalcounter). - Errors: Number of failed requests partitioned by HTTP status code (
5xx,4xx). - Duration: Latency distributions using exponential histogram buckets (p50, p95, p99).
- Rate: Inbound requests per second (
- Cardinality Protection: Never include unbounded identifiers (user IDs, emails, order IDs, timestamps) as Prometheus metric tag labels.
- For every HTTP endpoint or RPC handler, expose:
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.
- today Changed ab5b266073d5
- yesterday Changed · +45 lines b7d91c68df22
- 3d ago Changed · +7 lines 5f3d008a912c
- 8d ago First seen · 26 lines · 25 tokens per session scan A 5c17305501fb
observability is a skill published in the GitHub repository rafaelghif/antigravity-agents (5 stars, last pushed today), licensed MIT. It adds 25 tokens to every session and 979 once invoked, about $0.0001 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 2026-08-31.
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