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 saajunaid/caddis-plugin --skill aws-serverless-edagit clone --depth 1 https://github.com/saajunaid/caddis-pluginWrote 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/saajunaid/caddis-plugin/aws-serverless-eda)<a href="https://agentmods.dev/skills/saajunaid/caddis-plugin/aws-serverless-eda"><img src="https://agentmods.dev/badge/skills/saajunaid/caddis-plugin/aws-serverless-eda/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/saajunaid/caddis-plugin/aws-serverless-eda"><img src="https://agentmods.dev/badge/skills/saajunaid/caddis-plugin/aws-serverless-eda.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 | $0.00052 | $0.04805 |
| Opus 5.5 | $0.00021 | $0.01922 |
| Sonnet 5.5 | $0.00010 | $0.00961 |
| Haiku 4.5 | $0.00005 | $0.00481 |
Grade A, and why
aws-serverless-eda 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 23d 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.
This is a copy
97% identical to aws-serverless-eda — 3 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 759 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AWS Serverless & Event-Driven Architecture
This skill provides comprehensive guidance for building serverless applications and event-driven architectures on AWS based on Well-Architected Framework principles.
AWS Documentation Requirement
CRITICAL: This skill requires AWS MCP tools for accurate, up-to-date AWS information.
Before Answering AWS Questions
-
Always verify using AWS MCP tools (if available):
mcp__aws-mcp__aws___search_documentationormcp__*awsdocs*__aws___search_documentation- Search AWS docsmcp__aws-mcp__aws___read_documentationormcp__*awsdocs*__aws___read_documentation- Read specific pagesmcp__aws-mcp__aws___get_regional_availability- Check service availability
-
If AWS MCP tools are unavailable:
- Guide user to configure AWS MCP: See AWS MCP Setup Guide
- Help determine which option fits their environment:
- Has uvx + AWS credentials → Full AWS MCP Server
- No Python/credentials → AWS Documentation MCP (no auth)
- If cannot determine → Ask user which option to use
Serverless MCP Servers
This skill can leverage serverless-specific MCP servers for enhanced development workflows:
AWS Serverless MCP Server
Purpose: Complete serverless application lifecycle with SAM CLI
- Initialize new serverless applications
- Deploy serverless applications
- Test Lambda functions locally
- Generate SAM templates
- Manage serverless application lifecycle
AWS Lambda Tool MCP Server
Purpose: Execute Lambda functions as tools
- Invoke Lambda functions directly
- Test Lambda integrations
- Execute workflows requiring private resource access
- Run Lambda-based automation
AWS Step Functions MCP Server
Purpose: Execute complex workflows and orchestration
- Create and manage state machines
- Execute workflow orchestrations
- Handle distributed transactions
- Implement saga patterns
- Coordinate microservices
Amazon SNS/SQS MCP Server
Purpose: Event-driven messaging and queue management
- Publish messages to SNS topics
- Send/receive messages from SQS queues
- Manage event-driven communication
- Implement pub/sub patterns
- Handle asynchronous processing
What ships with it
6 files 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.
- 23d ago Changed · -60 tokens per session 62ecf21d2a68
- 1mo ago First seen · 759 lines · 112 tokens per session scan A 79df02fa0388
aws-serverless-eda is a skill published in the GitHub repository saajunaid/caddis-plugin (0 stars, last pushed yesterday), licensed MIT. It adds 52 tokens to every session and 4,805 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 97% identical to aws-serverless-eda, differing in 3 lines, and is treated as a copy.
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