evaluate-scenarios SKILL.md skillA

evaluate-scenarios from zby/commonplace is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add zby/commonplace/evaluate-scenarios@git:20261023.f698aa9

Pins git:20261023.f698aa9 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
zby/commonplace
Path
kb/instructions/evaluate-scenarios/SKILL.md
Versions recorded
8
Latest version
git:20261023.f698aa9, committed Oct 23, 2026
First version recorded
Jun 6, 2026
Size
6,119 bytes
Repository stars
92
License
CC-BY-4.0

Measure framework overhead by decomposing scenarios into clean-context forks and reporting per-fork load plus aggregate cost.

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

## EXECUTE NOW

**Target: $ARGUMENTS**

Parse immediately:
- empty → evaluate all scenarios in `tests/scenarios/`
- a scenario name → evaluate only that scenario
- `compare` → evaluate all and compare against a previous run if one exists

This harness measures **operational overhead**: the framework instructions an agent must read on top of the task's own content. The unit is the **fork**, not the operation — every `cp-skill-*` runs `context: fork`, so each fork pays its overhead from a fresh context. See `kb/theory/feasibility-is-the-heaviest-forks-net-load.md` for the model.

### 1. Discover scenario files

```bash
ls tests/scenarios/*.md
```

Read each scenario. Each has a `## Forks` section with one subsection per fork; each fork has a table of loads: `load | kind | source | hops`, where `kind` is `overhead`, `content`, or `spared`.

### 2. Config (override via $ARGUMENTS, e.g. `notesize=3000 candidates=4 budget=50000 agents_per_fork=on`)

| Knob | Default | Meaning |
|---|---|---|
| `notesize` | 2,000 B | average note/body read |
| `candidates` | 3 | content notes opened where a fork prospects bodies |
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add zby/commonplace/evaluate-scenarios@sha256:26f62aa0cba5d7ed

The line at the top of this page pins the label git:20261023.f698aa9, 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_zenxq3dqeigjurkm.svg)](https://markdownregistry.com/a/art_zenxq3dqeigjurkm)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 8 versions of this file, between Jun 6, 2026 and Oct 23, 2026, about one every 20 days.

versioncommittedcommitsizeaudit
git:20261023.f698aa9 latest2026-10-23 f698aa9 6,119 BA view · diff
git:20260925.7a010572026-09-25 7a01057 6,118 BA view · diff
git:20260925.e6103222026-09-25 e610322 6,109 BA view · diff
git:20260723.c8225362026-07-23 c822536 6,121 BA view · diff
git:20260704.85100522026-07-04 8510052 6,279 BA view · diff
git:20260610.d242ec02026-06-10 d242ec0 6,277 BA view · diff
git:20260610.ca595882026-06-10 ca59588 6,144 BA view · diff
git:20260606.ab8fef62026-06-06 ab8fef6 5,998 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the 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 (6119 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

zby/commonplace · 92 stars · license CC-BY-4.0 · pushed 2026-11-04 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_zenxq3dqeigjurkm
GET https://markdownregistry.com/api/v1/resolve?ref=zby/commonplace/evaluate-scenarios
GET https://markdownregistry.com/api/v1/blob/26f62aa0cba5d7ed6d9e5f0597a13e16c97b842765dd5180e0e90f832ab339f5

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.

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