open-webui-embeddings SKILL.md skillA

open-webui-embeddings from air-gapped/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add air-gapped/skills/open-webui-embeddings@git:20261103.501467b

Pins git:20261103.501467b in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
air-gapped/skills
Path
.claude/skills/open-webui-embeddings/SKILL.md
Versions recorded
15
Latest version
git:20261103.501467b, committed Nov 3, 2026
First version recorded
Jul 29, 2026
Size
24,434 bytes
Repository stars
6
License
MIT

Choose and wire open-weights embedding + reranker models into Open WebUI's RAG pipeline, across TEI, vLLM, OpenRouter or LiteLLM. Covers model selection on current MTEB data (quality, zero-shot contamination, and a FLOPs-based throughput model, since no leaderboard publishes speed), the query/document prefix strings each model needs and the PREFIX_FIELD_NAME mode switch that silently eats them, the exact wire shapes Open WebUI sends (URL auto-append on embed but NOT rerank; strict Cohere…

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

# Open WebUI RAG — embedding + reranking models and backends

Target: operators choosing and wiring open-weights embedding and reranker models into Open WebUI. **Almost every failure mode here degrades quality silently** — right HTTP status, right vector dimension, worse answers — so this skill is built to catch them at config-time rather than by noticing that RAG "feels worse".

**Two layers, kept separate:**

- **Open WebUI's side is backend-agnostic.** `RAG_EMBEDDING_ENGINE=openai`, the `/v1/embeddings` payload, prefix handling, batching and concurrency are identical whether you serve with TEI, vLLM, OpenRouter, or OpenAI itself. That layer is this file plus `references/prefix-models.md`.
- **The serving layer differs per backend** and lives in `references/backends.md` (+ the TEI-specific cliffs in `references/gotchas.md` §2-§6, §9).
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add air-gapped/skills/open-webui-embeddings@sha256:e0505b65b18a9324

The line at the top of this page pins the label git:20261103.501467b, 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_xg4p2p2dggppq5qy.svg)](https://markdownregistry.com/a/art_xg4p2p2dggppq5qy)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 15 versions of this file, between Jul 29, 2026 and Nov 3, 2026, about one every 7 days.

versioncommittedcommitsizeaudit
git:20261103.501467b latest2026-11-03 501467b 24,434 BA view · diff
git:20261103.8cd222c2026-11-03 8cd222c 24,292 BA view · diff
git:20261103.b2ec68f2026-11-03 b2ec68f 24,284 BA view · diff
git:20261103.89dbfcc2026-11-03 89dbfcc 23,622 BA view · diff
git:20261027.36dcdf02026-10-27 36dcdf0 23,445 BA view · diff
git:20261027.81161722026-10-27 8116172 22,864 BA view · diff
git:20261027.997124a2026-10-27 997124a 23,111 BA view · diff
git:20261027.ca34ba22026-10-27 ca34ba2 22,493 BA view · diff
git:20261027.df7cb9b2026-10-27 df7cb9b 22,423 BA view · diff
git:20260923.538a6382026-09-23 538a638 22,388 BA view · diff
git:20260915.3a3abdb2026-09-15 3a3abdb 17,069 BA view · diff
git:20260915.cfd3ed22026-09-15 cfd3ed2 16,267 BA view · diff
git:20260805.5b682f42026-08-05 5b682f4 14,721 BA view · diff
git:20260805.cd7eae62026-08-05 cd7eae6 11,642 BA view · diff
git:20260729.457cf822026-07-29 457cf82 10,053 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (24434 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

GitHub

air-gapped/skills · 6 stars · license MIT · pushed 2026-11-04 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_xg4p2p2dggppq5qy
GET https://markdownregistry.com/api/v1/resolve?ref=air-gapped/skills/open-webui-embeddings
GET https://markdownregistry.com/api/v1/blob/e0505b65b18a9324f4500417f4ab9c315895b721ab2944ceb900452a80cf9964

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.

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