agent-evaluation-operations SKILL.md skillA

agent-evaluation-operations from thegoat395/codex-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add thegoat395/codex-skills/agent-evaluation-operations@git:20260905.f7824ba

Pins git:20260905.f7824ba in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
thegoat395/codex-skills
Path
skills/agent-evaluation-operations/SKILL.md
Versions recorded
2
Latest version
git:20260905.f7824ba, committed Sep 5, 2026
First version recorded
Aug 30, 2026
Size
5,871 bytes
Repository stars
129
License
MIT

Evaluate agent and skill behavior or routing.

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

# Agent Evaluation Operations

Evaluate the claim the change is supposed to support, not the amount of new prompt text or the number of passing examples. Routine copyediting of a test comment, ordinary execution of one existing test, or a task that merely mentions agents does not require an evaluation program.

## Choose the evaluation mode

- **Agent workflow:** test the real prompt, model, tools, approvals, state, and failure paths.
- **Skill behavior:** test whether the skill triggers on the right requests, stays out of unrelated requests, cooperates with adjacent skills, and improves outcomes without excessive context or rigidity.
- **Release comparison:** hold the harness constant and compare the current baseline with the proposed change.

For evaluating a skill creation or behavior-bearing modification, read [skill behavior evaluation](references/skill-behavior-evaluation.md). Use [the regression corpus](references/regression-corpus.json) when testing synthetic public agent and Codex operating behavior. Validate the corpus with `python3 "${CODEX_HOME:-$HOME/.codex}/skills/agent-evaluation-operations/scripts/validate_regression_corpus.py"`.

## Specify before measuring
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add thegoat395/codex-skills/agent-evaluation-operations@sha256:f2edb6fa2e23d746

The line at the top of this page pins the label git:20260905.f7824ba, 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_nyy53zdtkesxlr3u.svg)](https://markdownregistry.com/a/art_nyy53zdtkesxlr3u)

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

Versions

The registry has recorded 2 versions of this file, between Aug 30, 2026 and Sep 5, 2026, about one every 6 days.

versioncommittedcommitsizeaudit
git:20260905.f7824ba latest2026-09-05 f7824ba 5,871 BA view · diff
git:20260830.0196be92026-08-30 0196be9 1,848 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 (5871 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

thegoat395/codex-skills · 129 stars · license MIT · pushed 2026-09-11 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_nyy53zdtkesxlr3u
GET https://markdownregistry.com/api/v1/resolve?ref=thegoat395/codex-skills/agent-evaluation-operations
GET https://markdownregistry.com/api/v1/blob/f2edb6fa2e23d746d80eff62ed04e27b283d3eeff9238551fa55be1c2f76a3cd

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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