tool-zx7 is agent-read markdown (skill) from feilipu/8085-skills: z88dk-zx7 / dzx7 ZX7 compression tools. Use when packing with ZX7..
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.
What the file says
# Tool — zx7
| | |
|--|--|
| Binary | `z88dk-zx7` |
| Help | src/zx7 sources |
| Wiki (local draft) | `wiki/tools/Tool---zx7.md` |
## Condensed reference (from wiki / tree)
# Tool — z88dk-zx7
Host-side **ZX7** compressor. Companion decompressors live in the z80 libraries.
```text
Usage: z88dk-zx7 [-f] [-b] input [output.zx7]
-f Force overwrite of output file
-b Compress backwards
ZX7: Optimal LZ77/LZSS compression by Einar Saukas
```
Related: `z88dk-dzx7`, [compress_zx7](compress_zx7), [Decompression](Decompression).
## Related
- Driver front end: `tool-zcc`
- Measurement: `methodology-measure`, `tool-ticks`
Pin 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.
A 17 of 17 checks passed. Deterministic, no model, 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 (752 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
feilipu/8085-skills · 3 stars · license MIT · pushed 2026-09-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ppbq5ycxcex3s7ip
GET https://markdownregistry.com/api/v1/resolve?ref=feilipu/8085-skills/tool-zx7
GET https://markdownregistry.com/api/v1/blob/e53fec15d39b410d017ebdfb138338423dd4aeff23c9518b78e964ce920db808
Your agent 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.
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feilipu/8085-skills · .agents/skills/methodology-measure/SKILL.md · How to measure and prove z88dk library changes: z88dk-ticks TIMER/hotspots, map/nm proof, suite gates, A/B library…