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Reliable AI agents.
Repeatable outcomes.

Agents on Jetty check their own work and improve until it’s right. Run a task once or a thousand times, get consistent results.

Build templated runbooks using...

Install the plugin for Claude Code. Full instructions

claude plugin marketplace add jettyio/jettyio-skills
claude plugin install jetty@jetty

Then run this command to connect to Jetty:

/jetty-setup

Build repeatable tasks with Jetty.

Anatomy of a runbook

A runbook is a spec for your AI agent.

One portable Markdown file: your agent’s job, what “done” looks like, and how it checks its own work before finishing.

Objective and output manifest
What the agent is doing and the exact files it must produce. The run isn't complete until every file exists.
Evaluation and iteration
How the agent checks its own work — rubric scoring or programmatic validation. If it fails, it retries with bounded iteration (typically 3 rounds).
YAML frontmatter
Version, evaluation strategy (programmatic or rubric), agent, model, and snapshot environment.
Parameters and dependencies
Template variables injected at runtime, plus tools and skills the agent needs. The runtime checks availability before execution.
Steps
Sequential plain-language instructions. Each step can run code, call tools, or invoke skills.
Learn how to write runbooks →
RUNBOOK-etl-pipeline.md
---
version: "1.0.0"
evaluation: rubric
agent: claude-code
model: claude-sonnet-4-6
snapshot: python312-uv
---

# ETL Pipeline Agent

## Objective
Fetch new events, enrich each record with
AI-generated summaries, and persist results
to the output table.

## REQUIRED OUTPUT FILES
| {{results_dir}}/validation_report.json |
| {{results_dir}}/summary.md |
| {{results_dir}}/enriched_events.csv |

## Parameters
| source_table | raw.events | Input |
| results_dir  | /app/results | Output |
| batch_size   | 100 | Records per batch |

## Step 1: Fetch Records
Query source_table for new rows since the
last checkpoint. Process in batches.

## Step 2: Enrich
For each batch, invoke the Summarizer skill
to generate a summary for each record.

## Step 3: Write Results
Persist enriched records to enriched_events.csv.

## Evaluation
| # | Criterion | 5 (Pass) | 1 (Fail) |
| 1 | Completeness | All rows enriched | Missing rows |
| 2 | Quality | Summaries coherent | Gibberish |
| 3 | Schema | Valid CSV output | Malformed |

Pass if score ≥ 4.0, no criterion below 3.

## Iteration
If evaluation fails, retry with bounded
iteration. Max 3 rounds.

Bring a job from your week.

By the end, you’ll have a repeatable task you can run a thousand times.