agent-harness-fault-injection SKILL.md skillA

agent-harness-fault-injection from sickn33/agentic-awesome-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add sickn33/agentic-awesome-skills/agent-harness-fault-injection@git:20260820.348cc84

Pins git:20260820.348cc84 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
sickn33/agentic-awesome-skills
Path
plugins/agentic-awesome-skills-claude/skills/agent-harness-fault-injection/SKILL.md
Versions recorded
1
Latest version
git:20260820.348cc84, committed Aug 20, 2026
Size
11,518 bytes
Repository stars
48,329
License
MIT

Use when an agent workflow needs deterministic recovery evidence for sandbox, MCP/tool, worker, checkpoint, memory, or orchestration failures.

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 Harness Fault Injection

## Overview

Use a deterministic, non-production fault schedule to test whether an agent
workflow preserves state, budgets, safety boundaries, and evidence when a
dependency fails. The output is a small fault matrix, an event timeline, and a
verdict that distinguishes recovered, contained, unrecoverable, and
inconclusive runs.

## When to Use This Skill

- Use when a multi-step agent, state machine, loop, or multi-agent workflow has a new recovery path.
- Use when sandbox execution, an MCP/tool call, a worker, a checkpoint store, or memory can time out or disappear.
- Use before claiming retry, resume, deadline, isolation, or partial-failure behavior is production-ready.
- Use when a regression needs reproducible failure evidence instead of a random chaos run.

Do not use this skill against a production target, real user data, live credentials,
or an unbounded external service. Convert those cases to a local simulator or an
authorized staging harness first.

## Safety and Boundary Preconditions

1. Freeze the workflow revision, model/prompt configuration, tool schemas, seed,
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add sickn33/agentic-awesome-skills/agent-harness-fault-injection@sha256:b64b7afa7bbc840e

The line at the top of this page pins the label git:20260820.348cc84, 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_na77jyqiljy4b6zg.svg)](https://markdownregistry.com/a/art_na77jyqiljy4b6zg)

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

Versions

The registry has recorded 1 version of this file, committed on Aug 20, 2026.

versioncommittedcommitsizeaudit
git:20260820.348cc84 latest2026-08-20 348cc84 11,518 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 (11518 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

sickn33/agentic-awesome-skills · 48,329 stars · license MIT · pushed 2026-10-22 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_na77jyqiljy4b6zg
GET https://markdownregistry.com/api/v1/resolve?ref=sickn33/agentic-awesome-skills/agent-harness-fault-injection
GET https://markdownregistry.com/api/v1/blob/b64b7afa7bbc840eaa3628ad3e365766139de9172bcb053e8ad5dbfda7f5def2

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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