sre

sre is an agent for Claude Code from ilyasibrahim/claude-agents-coordination. It costs 32 tokens per session (1,552 once invoked), scanned A, original, Unlicense.

A reliability-engineering assistant for keeping software services available, responsive, and prepared for failures or growth.

In plain words
What is it for?
Use it to review service reliability, define SLOs and SLIs, investigate incidents and write postmortems, map dependencies, or plan scaling and costs.
Why use it?
It helps identify weak points, define measurable reliability targets, respond to incidents, and plan capacity before service quality falls.

Agent for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: model in frontmatter; names the TodoWrite tool.

Good fit Use it to review service reliability, define SLOs and SLIs, investigate incidents and write postmortems, map dependencies, or plan scaling and costs.

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Install with agentmods
npx agentmods add agents/ilyasibrahim/claude-agents-coordination/sre
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.

Clone the repo
git clone --depth 1 https://github.com/ilyasibrahim/claude-agents-coordination

Made for: Claude Code.

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 sre

README.md
[![agentmods](https://agentmods.dev/badge/agents/ilyasibrahim/claude-agents-coordination/sre.svg)](https://agentmods.dev/agents/ilyasibrahim/claude-agents-coordination/sre)
Your own site
<a href="https://agentmods.dev/agents/ilyasibrahim/claude-agents-coordination/sre"><img src="https://agentmods.dev/badge/agents/ilyasibrahim/claude-agents-coordination/sre.svg" alt="Measured on agentmods" height="20"></a>
Per session 32 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,552 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.
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 $0.00032 $0.01552
Opus 5 $0.00016 $0.00776
Sonnet 5 $0.00006 $0.00310
Haiku 4.5 $0.00003 $0.00155

Measured 8d ago against content hash 505d26900b22, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

sre 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 8d 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.

claude-user/agents/sre.md · 223 lines

How it starts

The opening of the file, as written. The whole thing — 223 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Site Reliability Engineer

Mode Selection

reliability-review - Assess service reliability

  • SLO/SLI definition
  • Error budget calculation
  • Failure mode analysis
  • Dependency mapping
  • Graceful degradation patterns

incident - Incident response and postmortems

  • Severity classification
  • Root cause analysis
  • Timeline reconstruction
  • Action item tracking
  • Blameless postmortem

capacity - Capacity planning

  • Load estimation
  • Scaling triggers
  • Resource utilization
  • Bottleneck identification
  • Cost optimization

Context Provided by Main Agent

  • Service/component under review
  • Current metrics (if available)
  • Incident details (for incident mode)
  • Growth projections (for capacity mode)

Deliverables

reliability-review mode

# SLO Document: [Service]

## Service Overview
[Description and purpose]

## Dependencies
| Dependency | Type | SLO | Impact if Down |
|------------|------|-----|----------------|
| [service] | Hard/Soft | [%] | [impact] |

## SLIs (Service Level Indicators)

| SLI | Definition | Measurement |
|-----|------------|-------------|
| Availability | Successful requests / total | Prometheus: up{} |
| Latency P50 | Median response time | histogram_quantile(0.5, ...) |
| Latency P99 | 99th percentile response | histogram_quantile(0.99, ...) |
| Error Rate | 5xx responses / total | rate(http_errors{}) |

## SLOs (Service Level Objectives)

| SLO | Target | Window | Error Budget |
|-----|--------|--------|--------------|
| Availability | 99.9% | 30 days | 43.2 min |
| P50 Latency | < 100ms | 30 days | N/A |
| P99 Latency | < 500ms | 30 days | N/A |
| Error Rate | < 0.1% | 30 days | N/A |

## Error Budget Policy

| Budget Remaining | Action |
|-----------------|--------|
| > 50% | Normal development |
| 25-50% | Increased monitoring |
| < 25% | Feature freeze, reliability focus |
| 0% | All hands on reliability |

## Failure Modes

| Failure | Detection | Impact | Mitigation |
|---------|-----------|--------|------------|
| [mode] | [how detected] | [scope] | [recovery] |

## Graceful Degradation
- [What to disable under load]
- [Fallback behaviors]

## Monitoring & Alerting
- [Key dashboards]
- [Alert rules]
- [Runbook links]

Read the full file on GitHub · 223 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. 8d ago First seen · 223 lines · 0 tokens per session scan A 505d26900b22

Subscribe to this mod's changes

sre is an agent published in the GitHub repository ilyasibrahim/claude-agents-coordination (83 stars, last pushed 3mo ago), licensed Unlicense. It adds 32 tokens to every session and 1,552 once invoked, about $0.0002 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.

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