ai-persistence/build-cloudflare-adapter SKILL.md skillA
ai-persistence/build-cloudflare-adapter from tanstack/ai is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add tanstack/ai/ai-persistence/build-cloudflare-adapter@git:20261027.2f86841Pins git:20261027.2f86841 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- tanstack/ai
- Path
packages/ai-persistence/skills/ai-persistence/build-cloudflare-adapter/SKILL.md- Versions recorded
- 5
- Latest version
- git:20261027.2f86841, committed Oct 27, 2026
- First version recorded
- Jul 27, 2026
- Size
- 16,836 bytes
- Repository stars
- 3,337
- License
- MIT
Use when a Cloudflare Worker needs TanStack AI chat persistence — writes a chat-persistence.ts into the app against its D1 binding (raw or via Drizzle), plus a Durable Object LockStore. Covers per-request bindings, wrangler config, D1 migrations, and lease-based locks.
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
# Cloudflare Chat Persistence The deliverable is **one file in the Worker** — `src/lib/chat-persistence.ts` — exporting a factory that builds a `ChatPersistence` from the request's D1 binding, plus (when the app needs coordination) a Durable Object lock store. Tables go into the app's existing `migrations/` directory and are applied with `wrangler d1 migrations apply`. Do not create a package or a migration runner. Wrangler already tracks applied migrations; a second bookkeeping table only creates drift. Read the **Store Reference** (`docs/persistence/store-reference.md`) for the store contracts, and **ai-persistence/stores** for the shape rules. This skill covers only the Cloudflare-specific parts. ## 1. Read the app before writing anything | Find | Where to look | What it decides | | ---------------------- | ------------------------------------------------------------------------------------------------ | ------------------------------------------------- | …
Read the whole file at its exact version.
How to install
mdr add tanstack/ai/ai-persistence/build-cloudflare-adapter@sha256:f073ed26fa2ed118The line at the top of this page pins the label git:20261027.2f86841, 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_j6qfal3smresvz7i)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Jul 27, 2026 and Oct 27, 2026, about one every 23 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261027.2f86841 latest | 2026-10-27 | 2f86841 | 16,836 B | A | view · diff |
| git:20260924.9ab4f76 | 2026-09-24 | 9ab4f76 | 16,786 B | A | view · diff |
| git:20260804.d9d1e1f | 2026-08-04 | d9d1e1f | 15,440 B | A | view · diff |
| git:20260731.996a980 | 2026-07-31 | 996a980 | 11,533 B | A | view · diff |
| git:20260727.4ab149f | 2026-07-27 | 4ab149f | 11,309 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 (16836 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
tanstack/ai · 3,337 stars · license MIT · pushed 2026-11-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_j6qfal3smresvz7i GET https://markdownregistry.com/api/v1/resolve?ref=tanstack/ai/ai-persistence/build-cloudflare-adapter GET https://markdownregistry.com/api/v1/blob/f073ed26fa2ed11878e817d52cc8cf21228475a7d711c670221d63516a4b7697
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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.