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 HoangNguyen0403/agent-skills-standard --skill database-redisgit clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standardWrote 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/hoangnguyen0403/agent-skills-standard/database-redis)<a href="https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/database-redis"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/database-redis/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/hoangnguyen0403/agent-skills-standard/database-redis"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/database-redis.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00037 | $0.00483 |
| Opus 5 | $0.00018 | $0.00242 |
| Sonnet 5 | $0.00007 | $0.00097 |
| Haiku 4.5 | $0.00004 | $0.00048 |
Grade A, and why
database-redis 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.
What it actually says
Redis Best Practices
Priority: P0 (CRITICAL)
Redis is fast only when key shape, TTL ownership, and command complexity are explicit.
Rules
- Namespace keys by product/domain and entity.
- Give cache keys a TTL or a documented reason not to expire.
- Pick eviction policy to match workload:
allkeys-lrufor general caches,volatile-lrufor mixed persistent/ephemeral data. Monitor hit rate and evictions. - Avoid slow or unbounded commands in hot paths; prefer
SCANoverKEYSandUNLINKoverDELfor large-key deletion.lazyfreesettings help background reclamation.
Verify
- Key naming identifies owner and invalidation scope.
- TTL or eviction policy exists for non-durable data.
- Large reads use bounded range/scan patterns.
- Connection timeouts and pool settings are explicit.
- Critical state does not exist only in Redis.
Anti-Patterns
- No sole truth in Redis: Always persist critical data to durable primary database.
- No large blobs: Split values > 100KB into smaller keys or use Hashes for field access.
- No JSON for objects: Use
HSETfor object fields to enable O(1) access without full decode. - No TTL-less keys: Set TTL or eviction policy on all non-permanent keys to prevent unbounded growth.
- No
KEYSin app paths: useSCANor explicit index keys.
References
Canonical response anchors
When this skill applies, preserve the following domain terminology or equivalent concrete examples in the answer when relevant:
- lazyfree
What ships with it
3 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.
- 9d ago First seen · 55 lines · 37 tokens per session scan A eeb975c1050f
database-redis is a skill published in the GitHub repository HoangNguyen0403/agent-skills-standard (565 stars, last pushed 3d ago), licensed MIT. It adds 37 tokens to every session and 483 once invoked, about $0.0002 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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