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 skills add amadeus-dlc/amadeus --skill pekko-cqrs-es-implementationgit clone --depth 1 https://github.com/amadeus-dlc/amadeusWrote 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.
[](https://agentmods.dev/skills/amadeus-dlc/amadeus/pekko-cqrs-es-implementation)<a href="https://agentmods.dev/skills/amadeus-dlc/amadeus/pekko-cqrs-es-implementation"><img src="https://agentmods.dev/badge/skills/amadeus-dlc/amadeus/pekko-cqrs-es-implementation/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.
<a href="https://agentmods.dev/skills/amadeus-dlc/amadeus/pekko-cqrs-es-implementation"><img src="https://agentmods.dev/badge/skills/amadeus-dlc/amadeus/pekko-cqrs-es-implementation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00087 | $0.00363 |
| Opus 5 | $0.00044 | $0.00181 |
| Sonnet 5 | $0.00017 | $0.00073 |
| Haiku 4.5 | $0.00009 | $0.00036 |
Grade A, and why
pekko-cqrs-es-implementation 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 12d 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.
What it actually says
Pekko CQRS/ES Implementation
Use this skill only when the implementation stack is Scala 3 plus Apache Pekko and the architecture is CQRS/Event Sourcing.
Workflow
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Confirm the aggregate, commands, events, state lifecycle, and serialization requirements.
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Keep the domain model separate from the Pekko actor shell.
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Model command handling as validation plus event emission.
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Apply events through pure state transition functions.
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Define Protocol Buffers schemas and evolution rules for persisted events.
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Put use-case orchestration in ZIO/application services, not inside the aggregate actor.
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Build read-model updaters as idempotent projections.
Implementation Checks
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Commands should not mutate state directly.
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Events are facts in past tense and must be versioned carefully.
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Recovery must rebuild the same state from events.
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Projection handlers must tolerate retries and duplicates.
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Serialization compatibility is part of the public contract.
Detailed Reference
For non-trivial implementation, review, or refactoring work, read references/details.md before giving final guidance. It contains the detailed rules, examples, smells, and migration notes that do not belong in the short invocation body.
Output
Return aggregate actor structure, domain model APIs, command/event/state definitions, serialization notes, and projection flow.
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.
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.
- 12d ago First seen · 46 lines · 87 tokens per session scan A 28bd87b4999b
pekko-cqrs-es-implementation is a skill published in the GitHub repository amadeus-dlc/amadeus (8 stars, last pushed 21d ago), licensed Apache-2.0. It adds 87 tokens to every session and 363 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 2026-08-31.
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