d1-patterns

d1-patterns is a skill for Claude Code, Codex from joelhooks/atproto-agent-network. It costs 52 tokens per session (1,953 once invoked), scanned A, original, no licence file.

A set of database patterns for Cloudflare D1, a hosted SQL database, when records are encrypted before storage.

In plain words
What is it for?
It helps create schemas, write SQL queries, store encrypted records, manage the records table, and apply database migrations.
Why use it?
It provides guidance for designing, saving, finding, and changing encrypted agent records without treating the records table and migrations as ad hoc code.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/joelhooks/atproto-agent-network/d1-patterns
Any agent
npx skills add joelhooks/atproto-agent-network --skill d1-patterns
Clone the repo
git clone --depth 1 https://github.com/joelhooks/atproto-agent-network

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for d1-patterns

README.md
[![agentmods](https://agentmods.dev/badge/skills/joelhooks/atproto-agent-network/d1-patterns.svg)](https://agentmods.dev/skills/joelhooks/atproto-agent-network/d1-patterns)
Your own site
<a href="https://agentmods.dev/skills/joelhooks/atproto-agent-network/d1-patterns"><img src="https://agentmods.dev/badge/skills/joelhooks/atproto-agent-network/d1-patterns.svg" alt="Measured on agentmods" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,953 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00052 $0.01953
Opus 5 $0.00026 $0.00977
Sonnet 5 $0.00010 $0.00391
Haiku 4.5 $0.00005 $0.00195

Measured 5d ago against content hash 03ddd2ba416e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

d1-patterns 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 5d 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.

.agents/skills/d1-patterns/SKILL.md · 297 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

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.

  1. 5d ago First seen · 297 lines · 52 tokens per session scan A 03ddd2ba416e

Subscribe to this mod's changes

d1-patterns is a skill published in the GitHub repository joelhooks/atproto-agent-network (22 stars, last pushed 2mo ago), with no licence file. It adds 52 tokens to every session and 1,953 once invoked, about $0.0003 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 2026-08-30.

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