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 authzed/authzed-marketplace --skill spicedb-best-practicesgit clone --depth 1 https://github.com/authzed/authzed-marketplaceWrote 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/authzed/authzed-marketplace/spicedb-best-practices)<a href="https://agentmods.dev/skills/authzed/authzed-marketplace/spicedb-best-practices"><img src="https://agentmods.dev/badge/skills/authzed/authzed-marketplace/spicedb-best-practices/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/authzed/authzed-marketplace/spicedb-best-practices"><img src="https://agentmods.dev/badge/skills/authzed/authzed-marketplace/spicedb-best-practices.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 | $0.00046 | $0.01699 |
| Opus 5 | $0.00023 | $0.00849 |
| Sonnet 5 | $0.00009 | $0.00340 |
| Haiku 4.5 | $0.00005 | $0.00170 |
Grade A, and why
SpiceDB Best Practices 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 10d 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 — 156 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SpiceDB Best Practices
This skill provides guidance on using SpiceDB client libraries effectively, understanding consistency guarantees, optimizing performance, and implementing robust authorization code.
Overview
SpiceDB is a distributed authorization system. To use it effectively:
- Understand consistency models (when reads reflect writes)
- Handle errors and retries properly
- Use appropriate client patterns for your language
- Optimize for performance without sacrificing correctness
- Use caveats judiciously for dynamic permissions
Quick Reference
| Need to... | Read This |
|---|---|
| See client setup for Go/TS/Python | references/client-patterns.md |
| Understand consistency / zookies | references/consistency-deep-dive.md |
| Optimize performance or add caching | references/performance-tuning.md |
| Bootstrap existing data into SpiceDB | references/bootstrapping.md |
| Deploying SpiceDB to production | references/production-deploy.md |
| See a complete Go client example | examples/go-client.go |
| See a complete TypeScript example | examples/typescript-client.ts |
| See a complete Python example | examples/python-client.py |
Client Library Usage
SpiceDB provides official clients for multiple languages. Each follows similar patterns but with language-specific idioms.
See references/client-patterns.md for full code examples (Go, TypeScript, Python) covering:
- Connection management (development vs. production TLS)
- Writing relationships (
TOUCHfor idempotency) - Checking permissions (single and bulk)
- Lookup operations (
LookupResources,LookupSubjects)
See examples/go-client.go, examples/typescript-client.ts, examples/python-client.py
for complete, runnable demos with all four operations.
Core rules:
- Reuse clients -- don't create one per request
- Use
OPERATION_TOUCHfor writes (idempotent, safe to retry) - Check all three permissionship values:
HAS_PERMISSIONgrants access; bothNO_PERMISSIONandCONDITIONAL_PERMISSIONdeny -- treat them identically unless your code explicitly supplied caveat context (see/spicedb-dev:implement-spicedb-checksfor handling) - Save
WrittenAtZedToken after writes (see Consistency section)
What ships with it
8 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.
- examples/go-client.go 7.7 KB
- examples/python-client.py 6.7 KB runs code
- examples/typescript-client.ts 6.8 KB runs code
- references/bootstrapping.md 6.4 KB
- references/client-patterns.md 17 KB
- references/consistency-deep-dive.md 5.6 KB
- references/performance-tuning.md 5.8 KB
- references/production-deploy.md 4.1 KB
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.
- 10d ago First seen · 156 lines · 46 tokens per session scan A 581ddc09eb3d
SpiceDB Best Practices is a skill published in the GitHub repository authzed/authzed-marketplace (2 stars, last pushed 13d ago), licensed Apache-2.0. It adds 46 tokens to every session and 1,699 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 2026-08-31.
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