flink

flink is a skill for Claude Code, Codex from Kilo-Org/kilo-marketplace. It costs 78 tokens per session (721 once invoked), scanned A, original, Apache-2.0.

A technical guide to Apache Flink, a system for processing data streams continuously or in batches. It covers Flink SQL, the DataStream and Table APIs, state, checkpoints, event-time processing, connectors, and deployment.

In plain words
What is it for?
Use it to build Kafka-to-Flink and change-data-capture pipelines, manage checkpoints and savepoints, process events with windows and watermarks, and deploy Flink on Kubernetes.
Why use it?
It helps developers design and operate streaming pipelines while accounting for state recovery, timing, upgrades, and current Flink 2.x changes.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to build Kafka-to-Flink and change-data-capture pipelines, manage checkpoints and savepoints, process events with windows and watermarks, and deploy Flink on Kubernetes.

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Install with agentmods
npx agentmods add skills/kilo-org/kilo-marketplace/flink
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.

Any agent
npx skills add Kilo-Org/kilo-marketplace --skill flink
Clone the repo
git clone --depth 1 https://github.com/Kilo-Org/kilo-marketplace

Made for: Claude Code, Codex.

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 flink

README.md
[![agentmods](https://agentmods.dev/badge/skills/kilo-org/kilo-marketplace/flink/github.svg)](https://agentmods.dev/skills/kilo-org/kilo-marketplace/flink)
Your own site
<a href="https://agentmods.dev/skills/kilo-org/kilo-marketplace/flink"><img src="https://agentmods.dev/badge/skills/kilo-org/kilo-marketplace/flink/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.

agentmods 80×15 button for flink

Your own site · 80×15
<a href="https://agentmods.dev/skills/kilo-org/kilo-marketplace/flink"><img src="https://agentmods.dev/badge/skills/kilo-org/kilo-marketplace/flink.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 78 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 721 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00078 $0.00721
Opus 5 $0.00039 $0.00360
Sonnet 5 $0.00016 $0.00144
Haiku 4.5 $0.00008 $0.00072

Measured 9d ago against content hash 04e34767dc45, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

flink 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 9d 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.

skills/flink/SKILL.md · 59 lines

How it starts

The opening of the file, as written. The whole thing — 59 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Use this skill for production Flink architecture, operations, SQL/DataStream implementation, upgrade planning, and lakehouse streaming integrations.

Current Facts

  • Current Flink line: 2.2.x. Downloads include Apache Flink 2.2.1, while the site still labels 2.2.0 as the latest stable line.
  • Maintained 2.x patch lines: 2.2.1, 2.1.2, 2.0.2.
  • 1.x maintenance line: 1.20.4. Use this as the 1.x migration baseline unless the project is pinned elsewhere.
  • Kubernetes Operator: 1.15.0, compatible with Flink 2.2.x, 2.1.x, 2.0.x, 1.20.x, and 1.19.x.
  • Flink CDC: 3.6.0, with artifacts for Flink 1.20.x and 2.2.x.
  • Java: Flink 2.x requires Java 11+; Java 17 is the practical default for new deployments.

Critical 2.x Notes

  • DataSet API removed; use DataStream, Table API, or SQL.
  • Scala DataStream/DataSet APIs removed from the core distribution.
  • SourceFunction/SinkFunction and Sink V1 patterns are obsolete; prefer Source/Sink V2 connectors.
  • flink-conf.yaml was replaced by standard YAML config.yaml in Flink 2.x.
  • Per-job deployment mode was removed; use Application mode or Kubernetes Operator patterns.
  • Validate savepoint compatibility carefully before 1.x to 2.x migrations.

How To Use

  1. Classify the request: SQL/Table API, DataStream, deployment, operations, upgrade, CDC, or lakehouse sink/source.
  2. For new greenfield work, prefer Flink 2.2.x plus current connector artifacts.
  3. For migration work, identify the exact source version, connector versions, state backend, and savepoint strategy before recommending commands.

Production Defaults

  • Enable checkpointing for streaming jobs and set explicit checkpoint storage.
  • Use savepoints for planned upgrades and topology changes.
  • Use watermarks and allowed lateness deliberately; make event-time assumptions visible.
  • Monitor checkpoint duration, alignment time, backpressure, restart count, and state size.
  • Prefer the Kubernetes Operator for long-running production jobs on Kubernetes.
  • Use Iceberg/Paimon/Fluss connectors only at versions compatible with the selected Flink line.

Read the full file on GitHub · 59 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 9d ago First seen · 59 lines · 78 tokens per session scan A 04e34767dc45

Subscribe to this mod's changes

flink is a skill published in the GitHub repository Kilo-Org/kilo-marketplace (175 stars, last pushed 22d ago), licensed Apache-2.0. It adds 78 tokens to every session and 721 once invoked, about $0.0004 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 2026-09-03.

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