contacts skillA
contacts is agent-read markdown (skill) from vellum-ai/vellum-assistant: Manage contacts, communication channels, access control, and invite links.
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
How to install
mdr add vellum-ai/vellum-assistant/contacts@git:20260903.4ebeaa8mdr add vellum-ai/vellum-assistant/contacts@sha256:d32a898db0fa4ce1Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_nobkpyvabubkrctb)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260903.4ebeaa8 latest | 2026-09-03 | 4ebeaa8 | 35,801 B | A | view · diff |
| git:20260831.323e950 | 2026-08-31 | 323e950 | 31,390 B | A | view · diff |
| git:20260831.e0ee55e | 2026-08-31 | e0ee55e | 31,256 B | A | view · diff |
| git:20260713.d59c395 | 2026-07-13 | d59c395 | 28,126 B | A | view · diff |
| git:20260622.9ca9b87 | 2026-06-22 | 9ca9b87 | 28,138 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 (35801 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
vellum-ai/vellum-assistant · 1,194 stars · license MIT · pushed 2026-09-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_nobkpyvabubkrctb GET https://markdownregistry.com/api/v1/resolve?ref=vellum-ai/vellum-assistant/contacts GET https://markdownregistry.com/api/v1/blob/d32a898db0fa4ce155e83766ef893661b5dc458e98ac134f8421adff6fed9501