data-streaming-confluent

data-streaming-confluent is a skill for Claude Code, Codex from ibm-self-serve-assets/building-blocks. It costs 68 tokens per session (9,456 once invoked), scanned A, original, Apache-2.0.

A guide for creating Confluent Cloud streaming solutions with Terraform, Apache Flink SQL, and Python producers. It includes required setup details for Kafka, Schema Registry, environments, and API keys.

In plain words
What is it for?
Use it when generating repeatable streaming projects that provision Confluent Cloud resources, wait for Schema Registry, configure environment-scoped API keys, and produce organized code, scripts, and documentation.
Why use it?
It addresses deployment failures caused by Schema Registry not being ready or API keys missing their environment settings. The workflow makes these dependencies explicit in the generated infrastructure.

Skill for Claude CodeCodex

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

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is cd ../python.

Good fit Use it when generating repeatable streaming projects that provision Confluent Cloud resources, wait for Schema Registry, configure environment-scoped API keys, and produce organized code, scripts, and documentation.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/ibm-self-serve-assets/building-blocks
agentmods
npx agentmods add skills/ibm-self-serve-assets/building-blocks/data-streaming-confluent

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 data-streaming-confluent

README.md
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Your own site
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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 data-streaming-confluent

Your own site · 80×15
<a href="https://agentmods.dev/skills/ibm-self-serve-assets/building-blocks/data-streaming-confluent"><img src="https://agentmods.dev/badge/skills/ibm-self-serve-assets/building-blocks/data-streaming-confluent.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 68 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 9,456 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 warn 7 Sept 2026
SkillSpector: 6 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Privilege Escalation · line 652
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • high Privilege Escalation · line 954
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • high Privilege Escalation · line 1006
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • high Privilege Escalation · line 655
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • medium Excessive Agency · line 847
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
  • medium Excessive Agency · line 881
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 $0.00068 $0.09456
Opus 5.5 $0.00027 $0.03782
Sonnet 5.5 $0.00014 $0.01891
Haiku 4.5 $0.00007 $0.00946

Measured 1mo ago against content hash 79cb7ac33d3d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

data-streaming-confluent 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 1mo ago.

The scan reads SKILL.md. This mod also ships 3 executable files (templates/scripts/cleanup.sh, templates/scripts/setup.sh, templates/scripts/test.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

ibm-bob/skills/data-streaming-confluent/SKILL.md · 1,172 lines

How it starts

The opening of the file, as written. The whole thing — 1,172 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Data Streaming Confluent Skill

⚠️ Critical Configuration Requirements

MANDATORY: These configurations MUST be included in all generated solutions to prevent deployment failures.

1. Schema Registry Timing Dependency

Problem: Error: error reading Schema Registry Clusters: there are no SR clusters in environment

Solution: Schema Registry is auto-provisioned when Kafka cluster is created. MUST wait 60s before reading it.

# Wait for Schema Registry auto-provisioning
resource "time_sleep" "wait_for_schema_registry" {
  create_duration = "60s"
  depends_on = [confluent_kafka_cluster.main]
}

# Schema Registry data source with wait
data "confluent_schema_registry_cluster" "main" {
  environment {
    id = confluent_environment.main.id
  }
  depends_on = [time_sleep.wait_for_schema_registry]
}

2. API Key Environment Blocks

Problem: Error: Environment of the referred resource, if env-scoped

Solution: ALL API keys (Kafka, Flink, Schema Registry) MUST include environment block in managed_resource.

resource "confluent_api_key" "kafka_producer" {
  owner { ... }
  managed_resource {
    id = confluent_kafka_cluster.main.id
    # REQUIRED: Environment block
    environment {
      id = confluent_environment.main.id
    }
  }
}

3. Flink Table / Kafka Topic Ownership

Problem: Creating a Kafka topic with Terraform and then running CREATE TABLE IF NOT EXISTS for the same name can leave Flink using the already-inferred table (including raw VARBINARY columns when schemas are not registered yet). IF NOT EXISTS does not redefine the existing inferred table.

MANDATORY Solution: Pick exactly one ownership pattern for each Flink-visible stream:

  • Default — Flink-owned typed stream: do not create that topic with confluent_kafka_topic. Use Flink CREATE TABLE; Confluent creates the backing topic and Schema Registry subjects.
  • Terraform-owned existing topic: create the topic and register compatible key/value schemas first, then use the inferred Flink table. Do not run CREATE TABLE for the same topic. Use ALTER TABLE only for supported metadata/watermark/property changes.

Read the full file on GitHub · 1,172 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. 1mo ago Changed · +7 lines · +8 tokens per session 79cb7ac33d3d
  2. 2mo ago First seen · 1,165 lines · 60 tokens per session scan A 23574de17680

Subscribe to this mod's changes

data-streaming-confluent is a skill published in the GitHub repository ibm-self-serve-assets/building-blocks (28 stars, last pushed yesterday), licensed Apache-2.0. It adds 68 tokens to every session and 9,456 once invoked, about $0.0003 per session on Opus 5.5. 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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