api-vector-db-chroma SKILL.md skillA
api-vector-db-chroma from agents-inc/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add agents-inc/skills/api-vector-db-chroma@git:20261016.afd0e14Pins git:20261016.afd0e14 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- agents-inc/skills
- Path
src/skills/api-vector-db-chroma/SKILL.md- Versions recorded
- 3
- Latest version
- git:20261016.afd0e14, committed Oct 16, 2026
- First version recorded
- Mar 20, 2026
- Size
- 12,897 bytes
- Repository stars
- 26
- License
- MIT
Chroma vector database -- collection management, automatic embedding, metadata filtering, document storage, query patterns.
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
# Chroma Patterns
> **Quick Guide:** Use `chromadb` (v3.x) with `@chroma-core/default-embed` for automatic embedding. Chroma auto-embeds documents if no embeddings are provided -- just pass `documents` and `ids` to `collection.add()`. Use `where` for metadata filtering and `whereDocument` for document content filtering (`$contains`, `$regex`). Default distance metric is `l2` (Euclidean); use `cosine` for most embedding models via `configuration: { hnsw: { space: "cosine" } }`. Query results return nested arrays (`ids: string[][]`) because queries are batched -- always access `results.ids[0]` for a single query. Include only the fields you need via the `include` parameter to reduce payload size.
---
<critical_requirements>
## CRITICAL: Before Using This Skill
**(You MUST install `@chroma-core/default-embed` alongside `chromadb` -- the default embedding function ships as a separate package since v3)**
**(You MUST access query results as nested arrays -- `results.ids[0]`, `results.documents[0]` -- because Chroma batches queries and returns `string[][]` not `string[]`)**
…Read the whole file at its exact version.
How to install
mdr add agents-inc/skills/api-vector-db-chroma@sha256:7bcbab67c96b978cThe line at the top of this page pins the label git:20261016.afd0e14, 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_nwltkt6fym6dguu6)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Mar 20, 2026 and Oct 16, 2026, about one every 105 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261016.afd0e14 latest | 2026-10-16 | afd0e14 | 12,897 B | A | view · diff |
| git:20260328.f75efbc | 2026-03-28 | f75efbc | 13,173 B | A | view · diff |
| git:20260320.c1caf8b | 2026-03-20 | c1caf8b | 16,188 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 (12897 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
agents-inc/skills · 26 stars · license MIT · pushed 2026-10-27 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_nwltkt6fym6dguu6 GET https://markdownregistry.com/api/v1/resolve?ref=agents-inc/skills/api-vector-db-chroma GET https://markdownregistry.com/api/v1/blob/7bcbab67c96b978c424d1a8f159c5e291f957ba2a27d39dde8d72aca6c84523f
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.