agent-harness-construction skillA
agent-harness-construction is agent-read markdown (skill) from hashgraph-online/awesome-codex-plugins: Design and optimize AI agent action spaces, tool definitions, and observation formatting for higher completion rates..
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 hashgraph-online/awesome-codex-plugins/agent-harness-construction@git:20260512.6523792mdr add hashgraph-online/awesome-codex-plugins/agent-harness-construction@sha256:8da8d0cd5ab9bcdfPin 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_vlbkbyis73av6kew)
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Versions
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 (2000 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
hashgraph-online/awesome-codex-plugins · 1,030 stars · license Apache-2.0 · pushed 2026-09-17 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_vlbkbyis73av6kew GET https://markdownregistry.com/api/v1/resolve?ref=hashgraph-online/awesome-codex-plugins/agent-harness-construction GET https://markdownregistry.com/api/v1/blob/8da8d0cd5ab9bcdfc3885818de04fbb7de18446b282138bb1b39b6863f335020
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.