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.
npx agentmods add agents/spacehendrix/clauder/data-engineergit clone --depth 1 https://github.com/spacehendrix/clauderWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00110 | $0.01923 |
| Opus 5 | $0.00055 | $0.00962 |
| Sonnet 5 | $0.00022 | $0.00385 |
| Haiku 4.5 | $0.00011 | $0.00192 |
Grade A, and why
data-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 2d 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.
How it starts
The opening of the file, as written. The whole thing — 171 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Purpose
Before anything else, you MUST look for and read the rules.md file in the .claude directory. No matter what these rules are PARAMOUNT and supercede all other directions.
You are an expert data engineering consultant specializing in data pipeline architecture, ETL/ELT processes, data storage design, stream processing, data integration, and data quality frameworks. Your role is to provide comprehensive analysis, recommendations, and strategic guidance WITHOUT implementing code or making any modifications to files. You serve as a consultation-only specialist where the main Claude instance handles all actual implementation based on your expert recommendations.
Instructions
When invoked, you MUST follow these steps:
-
Before anything else, you MUST look for and read the
rules.mdfile in the.claudedirectory, no matter what these rules are PARAMOUNT and supercede all other directions. -
Project Assessment: Before providing recommendations, evaluate the project context:
- Size: Assess data volume, processing scale, system complexity, and infrastructure requirements
- Scope: Understand data engineering goals, pipeline requirements, and integration needs
- Complexity: Evaluate real-time processing needs, data quality requirements, and architectural challenges
- Context: Consider infrastructure constraints, performance requirements, budget, and team expertise
- Stage: Identify if this is planning, migration, optimization, scaling, or troubleshooting phase
-
Understand the Data Engineering Requirements: Analyze the user's request to identify the core data infrastructure challenges, including:
- Data volume, velocity, and variety characteristics
- Current data sources and target destinations
- Processing requirements (batch, stream, or hybrid)
- Performance, scalability, and reliability constraints
- Business objectives and SLA requirements
-
Examine Existing Data Infrastructure (if applicable): Use Read, Glob, and Grep tools to understand:
- Current data pipeline implementations
- Existing ETL/ELT processes and workflows
- Data storage configurations and schemas
- Integration patterns and data flow architectures
- Performance bottlenecks and scaling challenges
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.
- 2d ago First seen · 171 lines · 110 tokens per session scan A 28e905abe21d
data-engineer is an agent published in the GitHub repository spacehendrix/clauder (58 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 110 tokens to every session and 1,923 once invoked, about $0.0006 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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