hello-world skillA
hello-world is agent-read markdown (skill) from dcc-mcp/dcc-mcp-core: Example skill - minimal greeting tool. Use only for testing standalone internal service connectivity and Skill discovery. Not for production use..
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 dcc-mcp/dcc-mcp-core/hello-world@git:20260730.58c1814mdr add dcc-mcp/dcc-mcp-core/hello-world@sha256:185008c2f53c8d15Pin 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_6f7nh45dnj7qfh6o)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260730.58c1814 latest | 2026-07-30 | 58c1814 | 533 B | A | view · diff |
| git:20260505.5c57b27 | 2026-05-05 | 5c57b27 | 507 B | A | view · diff |
| git:20260423.79498ee | 2026-04-23 | 79498ee | 520 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 (533 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
dcc-mcp/dcc-mcp-core · 45 stars · license MIT · pushed 2026-09-18 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_6f7nh45dnj7qfh6o GET https://markdownregistry.com/api/v1/resolve?ref=dcc-mcp/dcc-mcp-core/hello-world GET https://markdownregistry.com/api/v1/blob/185008c2f53c8d15b50fbc199ab6d3765f43c76072d99f3dbdd2d18f94f3c625
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.