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 migrating-to-spicedbgit 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/migrating-to-spicedb)<a href="https://agentmods.dev/skills/authzed/authzed-marketplace/migrating-to-spicedb"><img src="https://agentmods.dev/badge/skills/authzed/authzed-marketplace/migrating-to-spicedb/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/migrating-to-spicedb"><img src="https://agentmods.dev/badge/skills/authzed/authzed-marketplace/migrating-to-spicedb.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 | $0.00062 | $0.03601 |
| Opus 5.5 | $0.00025 | $0.01440 |
| Sonnet 5.5 | $0.00012 | $0.00720 |
| Haiku 4.5 | $0.00006 | $0.00360 |
Grade A, and why
Migrating to SpiceDB 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 1mo 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 — 233 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Migrating to SpiceDB
This skill defines the source-agnostic pipeline for converting an application's authorization system to SpiceDB: schema, data, client code, and tests. Source-specific rules live in a separate conversion pack skill; this skill defines the pipeline those packs plug into, and the protocol commands and packs use to talk to each other.
Overview
A migration converts four things, in a fixed order: the authorization model to a .zed
schema, existing relationship data, application client code, and the source system's test
suite. Every decision that could go wrong -- an identifier collision, a construct SpiceDB
can't express, a multi-tenancy choice -- is surfaced once, up front, at a single gate,
because these decisions interact (tenancy choice constrains identifier strategy constrains
code rewriting). Nothing is converted past an unresolved hard blocker.
Source registry
| Source system | Pack skill | Status |
|---|---|---|
| OpenFGA / Okta FGA / Auth0 FGA | openfga-to-spicedb |
supported |
| Oso Cloud | oso-to-spicedb |
supported -- policy and code mappings verified against live Oso; fact export at scale is not yet exercised, and the pack says so |
If the detected source has no pack, stop and say so. Do not improvise a translation -- an unsupported source needs a new pack, not an ad hoc conversion.
Phase pipeline
This is the designed pipeline, and every phase of it is built. The status column stays authoritative -- read it rather than this sentence, and never route a user to a phase whose status is anything other than shipped.
| # | Phase | Driver | Output | Status |
|---|---|---|---|---|
| 0 | Discover & analyze | migration-analyzer agent, via /spicedb-dev:migrate |
migration-plan.md, migration-map.json + GATE |
shipped |
| 1 | Schema conversion | /spicedb-dev:migrate-schema |
schema.zed, migration-map.json, migration-plan.md |
shipped |
| 2 | Validate | schema-validator agent (runs inside phase 1) |
validation report | shipped |
| 3 | Data migration | /spicedb-dev:migrate-data |
migration script + ID codec | shipped |
| 4 | Client code | /spicedb-dev:migrate-code |
vendored client + rewritten call sites | shipped |
| 5 | Test conversion | /spicedb-dev:migrate-tests |
SpiceDB validation YAML | shipped |
What ships with it
4 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.
- 1mo ago Changed · +1 lines · +4 tokens per session f498c88f6f20
- 1mo ago First seen · 232 lines · 58 tokens per session scan A 1c63349a4c65
Migrating to SpiceDB is a skill published in the GitHub repository authzed/authzed-marketplace (2 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 62 tokens to every session and 3,601 once invoked, about $0.0002 per session on Opus 5.5. 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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