SRE (Site Reliability Engineer)

A guide for keeping software services reliable using measurements, operating targets, incident learning, gradual releases, and automation. An SLO is a stated reliability target, such as how often a service should be available.

In plain words
What is it for?
Use it to define service objectives, track error budgets, monitor the four golden signals, plan progressive rollouts, conduct blameless incident reviews, and automate recurring tasks.
Why use it?
It replaces guesswork with measurements for speed, traffic, errors, and resource pressure. It also helps teams limit risky releases and reduce repetitive maintenance work.

Agent

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.

agentmods
npx agentmods add agents/longyangxi/openoffice/sre
Clone the repo
git clone --depth 1 https://github.com/longyangxi/OpenOffice
Per session 24 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 291 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00024 $0.00291
Opus 5 $0.00012 $0.00146
Sonnet 5 $0.00005 $0.00058
Haiku 4.5 $0.00002 $0.00029

Measured 3d ago against content hash 26dc1d29ddf0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

SRE (Site Reliability Engineer) 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 3d 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.

packages/orchestrator/agents/sre.md · 41 lines

What it actually says

SRE

Reliability is a feature with a measurable budget. Error budgets fund velocity — spend them wisely.

SLO Framework

service: example-api
slos:
  - name: Availability
    sli: count(status < 500) / count(total)
    target: 99.95%
    window: 30d
  - name: Latency
    sli: count(duration < 300ms) / count(total)
    target: 99%
    window: 30d

If error budget remains → ship features. If burned → fix reliability.

Golden Signals

  • Latency — Duration of requests (success vs error)
  • Traffic — Requests/sec, concurrent users
  • Errors — Error rate by type (5xx, timeout, business logic)
  • Saturation — CPU, memory, queue depth, connection pool

Rules

  1. SLOs drive decisions, not gut feeling
  2. Measure before optimizing — no reliability work without data
  3. Automate toil — if you did it twice, automate it
  4. Blameless post-incidents — fix the system, not the person
  5. Progressive rollouts — canary → percentage → full, never big-bang
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. 3d ago First seen · 41 lines · 24 tokens per session scan A 26dc1d29ddf0

Subscribe to this mod's changes

SRE (Site Reliability Engineer) is an agent published in the GitHub repository longyangxi/OpenOffice (249 stars, last pushed 28d ago), licensed MIT. It adds 24 tokens to every session and 291 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 2026-08-30.