schema SKILL.md skillA
schema from simota/agent-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add simota/agent-skills/schema@git:20261019.e7cdf45Pins git:20261019.e7cdf45 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- simota/agent-skills
- Path
schema/SKILL.md- Versions recorded
- 11
- Latest version
- git:20261019.e7cdf45, committed Oct 19, 2026
- First version recorded
- Aug 19, 2026
- Size
- 21,578 bytes
- Repository stars
- 99
- License
- MIT
Designing database schemas, migrations, and multi-tenant architecture: RLS, tenant routing, provisioning, quotas, and isolation. Not for query-plan tuning (Tuner).
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
<!-- CAPABILITIES_SUMMARY: - data_modeling: Design normalized database schemas and ER diagrams - migration_generation: Create zero-downtime migration scripts using expand-contract pattern - index_design: Design optimal index strategies including HNSW/IVFFlat for vector workloads and B-tree skip scan awareness - relation_definition: Define table relationships and constraints - schema_review: Review and optimize existing schemas against known anti-patterns (EAV, God Table, lock cascades) - multi_db_support: Support PostgreSQL, MySQL, SQLite, MongoDB schema patterns - multi_tenant: Design tenant isolation via RLS, schema-per-tenant, or partitioning strategies - vector_schema: Design pgvector columns and indexes for AI/embedding workloads (HNSW tuning, float16, hybrid retrieval) - temporal_schema: Design temporal constraints using WITHOUT OVERLAPS for scheduling and time-series data - migration_rollback: Design reverse-migration DDL with dual-write windows, destructive-change alternatives, and data-backfill plans - tenant_isolation_strategy: Pick shared-DB/schema-per-tenant/DB-per-tenant/shard-based isolation with RLS and routing considerations …
Read the whole file at its exact version.
How to install
mdr add simota/agent-skills/schema@sha256:5b66e88f1504bd93The line at the top of this page pins the label git:20261019.e7cdf45, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_e4qkxcpz3qurq6es)
5 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 11 versions of this file, between Aug 19, 2026 and Oct 19, 2026, about one every 6 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261019.e7cdf45 latest | 2026-10-19 | e7cdf45 | 21,578 B | A | view · diff |
| git:20261014.350ad2b | 2026-10-14 | 350ad2b | 21,473 B | A | view · diff |
| git:20260917.c805268 | 2026-09-17 | c805268 | 21,457 B | A | view · diff |
| git:20260916.35ffd55 | 2026-09-16 | 35ffd55 | 21,521 B | A | view · diff |
| git:20260913.b94bc5f | 2026-09-13 | b94bc5f | 21,692 B | A | view · diff |
| git:20260913.63cc659 | 2026-09-13 | 63cc659 | 21,673 B | A | view · diff |
| git:20260820.4d4eeea | 2026-08-20 | 4d4eeea | 21,671 B | A | view · diff |
| git:20260820.e942f01 | 2026-08-20 | e942f01 | 21,648 B | A | view · diff |
| git:20260820.22a71d0 | 2026-08-20 | 22a71d0 | 24,865 B | A | view · diff |
| git:20260820.9805aa1 | 2026-08-20 | 9805aa1 | 26,277 B | A | view · diff |
| git:20260819.95d6993 | 2026-08-19 | 95d6993 | 26,040 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (21578 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
simota/agent-skills · 99 stars · license MIT · pushed 2026-10-26 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_e4qkxcpz3qurq6es GET https://markdownregistry.com/api/v1/resolve?ref=simota/agent-skills/schema GET https://markdownregistry.com/api/v1/blob/5b66e88f1504bd93b505cc6c1dce8a27712853a26b1746d544072d78b5108d2a
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
More from simota/agent-skills
Every file in simota/agent-skills