matrix SKILL.md skillA
matrix from simota/agent-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add simota/agent-skills/matrix@git:20261019.e7cdf45Pins git:20261019.e7cdf45 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- simota/agent-skills
- Path
matrix/SKILL.md- Versions recorded
- 11
- Latest version
- git:20261019.e7cdf45, committed Oct 19, 2026
- First version recorded
- Aug 11, 2026
- Size
- 24,440 bytes
- Repository stars
- 99
- License
- MIT
Controlling combinatorial explosion across multi-dimensional axes: minimum coverage sets, execution plans, test/deploy/UX/risk prioritization. Use when scoping multi-axis combinations.
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
<!-- CAPABILITIES_SUMMARY: - combinatorial_analysis: Analyze multi-dimensional axis×value combinations - coverage_optimization: Select minimum covering sets using pairwise/n-wise algorithms (ACTS/PICT/OA methods) - priority_ranking: Rank combinations by risk, frequency, and business impact - execution_planning: Generate phased execution plans from coverage sets - explosion_control: Manage combinatorial explosion through intelligent reduction (20x-700x suite reduction) - constraint_modeling: Model invalid pairs, exclusions, and parameter dependencies with distribution verification - coverage_gap_analysis: Map execution results back to uncovered t-tuples using tuple density and (p,t)-completeness metrics, propose follow-up cases - variable_strength_planning: Assign risk-based interaction strengths to parameter subsets (safety 3-way+, business 2-way, cosmetic 1-way) - qa_scenario_authoring: Author executable manual QA procedures (preconditions / steps / expected results / postconditions / traceability) via BVA + equivalence class + decision table + state transition + exploratory charters …
Read the whole file at its exact version.
How to install
mdr add simota/agent-skills/matrix@sha256:d8e91bf0dbe9c950The line at the top of this page pins the label git:20261019.e7cdf45, 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_yvx5vxc5g4fsu6bc)
7 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 11 versions of this file, between Aug 11, 2026 and Oct 19, 2026, about one every 7 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261019.e7cdf45 latest | 2026-10-19 | e7cdf45 | 24,440 B | A | view · diff |
| git:20261014.350ad2b | 2026-10-14 | 350ad2b | 24,335 B | A | view · diff |
| git:20261012.27f6d8a | 2026-10-12 | 27f6d8a | 24,128 B | A | view · diff |
| git:20261009.1e21383 | 2026-10-09 | 1e21383 | 24,194 B | A | view · diff |
| git:20260917.c805268 | 2026-09-17 | c805268 | 23,933 B | A | view · diff |
| git:20260916.35ffd55 | 2026-09-16 | 35ffd55 | 24,212 B | A | view · diff |
| git:20260820.4d4eeea | 2026-08-20 | 4d4eeea | 24,266 B | A | view · diff |
| git:20260820.9805aa1 | 2026-08-20 | 9805aa1 | 24,243 B | A | view · diff |
| git:20260818.8e1f365 | 2026-08-18 | 8e1f365 | 24,042 B | A | view · diff |
| git:20260812.91d7239 | 2026-08-12 | 91d7239 | 23,808 B | A | view · diff |
| git:20260811.6c8b98b | 2026-08-11 | 6c8b98b | 27,137 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 (24440 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
simota/agent-skills · 99 stars · license MIT · pushed 2026-10-26 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_yvx5vxc5g4fsu6bc GET https://markdownregistry.com/api/v1/resolve?ref=simota/agent-skills/matrix GET https://markdownregistry.com/api/v1/blob/d8e91bf0dbe9c950d71aab16c79353b9e6a5cada71a974e8c850444b2a1a4cdd
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.
More from simota/agent-skills
Every file in simota/agent-skills