CLAUDE.mdA
CLAUDE.md from punt-labs/z-spec is a CLAUDE.md file: the standing instructions Claude Code reads in that repo.
mdr add punt-labs/z-spec/CLAUDE.md@git:20261103.38d8814Pins git:20261103.38d8814 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 14 of 14 checks passed
- Kind
- CLAUDE.md file
- Repository
- punt-labs/z-spec
- Path
CLAUDE.md- Versions recorded
- 7
- Latest version
- git:20261103.38d8814, committed Nov 3, 2026
- First version recorded
- Aug 18, 2026
- Size
- 7,465 bytes
- Repository stars
- 5
- License
- MIT
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
# z-spec Formal Z specification toolkit: a `fuzz`/`probcli` wrapper, an MCP server (`zspec`), a CLI (`z-spec`), and a Claude Code plugin whose skill prompts guide spec creation, type-checking, and animation. Deterministic work — parsing, binary wrappers, report I/O, lux rendering — lives in the Python package; skills call its MCP tools instead of raw bash. Part of [Punt Labs](https://github.com/punt-labs). Must be checked out inside the `punt-labs/` workspace meta-repo so org-wide configuration (git identity, beads DB, API keys) loads from `../CLAUDE.md` and `../.envrc`. - **Package**: `punt-z-spec` (PyPI) - **CLI**: `z-spec` - **MCP server**: `zspec` (stdio; `z-spec mcp`) - **Python**: 3.13+, managed with `uv` ## Architecture One engine, two thin client surfaces (CLI + MCP), both resolving the same `Command` objects from `commands/registry.py` — `tests/commands/test_parity.py` asserts they cannot drift. A command validates inputs, invokes the binary or store, and returns a `CommandResult`; it never prints and never knows which surface called it. `display.py` is the only module that publishes scenes to the lux Hub. ## Build and test commands ```bash …
Read the whole file at its exact version.
How to install
mdr add punt-labs/z-spec/CLAUDE.md@sha256:492581a56795b369The line at the top of this page pins the label git:20261103.38d8814, 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_4bh4sbecvstsgtx5)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 7 versions of this file, between Aug 18, 2026 and Nov 3, 2026, about one every 13 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261103.38d8814 latest | 2026-11-03 | 38d8814 | 7,465 B | A | view · diff |
| git:20261027.0238b5c | 2026-10-27 | 0238b5c | 7,436 B | A | view · diff |
| git:20260907.3652ec9 | 2026-09-07 | 3652ec9 | 7,224 B | A | view · diff |
| git:20260907.1939faa | 2026-09-07 | 1939faa | 6,258 B | A | view · diff |
| git:20260829.3ad0b48 | 2026-08-29 | 3ad0b48 | 23,837 B | A | view · diff |
| git:20260820.ca0f602 | 2026-08-20 | ca0f602 | 23,808 B | A | view · diff |
| git:20260818.4289942 | 2026-08-18 | 4289942 | 22,512 B | A | view |
Audit of the latest version
- pass: Size between 200 bytes and 200 KB (7465 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
punt-labs/z-spec · 5 stars · license MIT · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_4bh4sbecvstsgtx5 GET https://markdownregistry.com/api/v1/resolve?ref=punt-labs/z-spec/CLAUDE.md GET https://markdownregistry.com/api/v1/blob/492581a56795b3696228dfc8527002b21489be7a735d1c4a71054276caa56807
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: what a CLAUDE.md file is · keeping AGENTS.md and CLAUDE.md in sync · which agent file does what.
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