nw-tdd-cross-language SKILL.md skillA
nw-tdd-cross-language from nwave-ai/nwave is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add nwave-ai/nwave/nw-tdd-cross-language@git:20260609.c723548Pins git:20260609.c723548 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- nwave-ai/nwave
- Path
nWave/skills/nw-tdd-cross-language/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260609.c723548, committed Jun 9, 2026
- Size
- 10,806 bytes
- Repository stars
- 633
- License
- MIT
Port the state-delta + property-based testing paradigm to languages other than Python. DIY recipes per language; canonical Python ref shipped in nwave_ai.state_delta.
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
# Cross-Language Paradigm Porting Guide The state-delta + property-based testing paradigm (see `nw-tdd-methodology::Paradigm Mandate`) is shipped natively in Python via `nwave_ai.state_delta`. This skill documents how to apply the same paradigm in other languages with idiomatic adaptations. **Open source positioning** (nwave-ai master): Python canonical + DIY porting guide. Users in other languages port the pattern using their language's PBT library + a small state-delta shim (~70-150 LOC). **Enterprise positioning** (nwave-pro bundle, deferred): pre-built language packages with tested implementations, kept consistent across versions. --- ## Per-language framework + PBT library matrix | Language | Test framework | PBT library | State-delta port size | Idiomatic notes | |---|---|---|---|---| | **Python** | pytest | Hypothesis | shipped (`nwave_ai.state_delta`, ~250 LOC) | Reference implementation. Closure-over-parameters predicates, frozen dataclass `Violation`. | | **TypeScript / JS** | vitest, jest, mocha | `fast-check` | ~80 LOC | Generics over `Old, New`. Predicate = `(old: O, new: N) => boolean`. Use `expect.fail()` for AssertionError equivalent. | …
Read the whole file at its exact version.
How to install
mdr add nwave-ai/nwave/nw-tdd-cross-language@sha256:3091d8a09ca9e921The line at the top of this page pins the label git:20260609.c723548, 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_mwlnyva4jjcd4tqz)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Jun 9, 2026.
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 (10806 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
nwave-ai/nwave · 633 stars · license MIT · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_mwlnyva4jjcd4tqz GET https://markdownregistry.com/api/v1/resolve?ref=nwave-ai/nwave/nw-tdd-cross-language GET https://markdownregistry.com/api/v1/blob/3091d8a09ca9e92182672ee2c2da585bf8df87dc0a79e7b53f605956f660af27
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: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.