challenge SKILL.md skillB
challenge from pche-broken-artist/forge-of-thought is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add pche-broken-artist/forge-of-thought/challenge@git:20261017.7179109Pins git:20261017.7179109 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- B, 16 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- pche-broken-artist/forge-of-thought
- Path
.claude/skills/challenge/SKILL.md- Versions recorded
- 6
- Latest version
- git:20261017.7179109, committed Oct 17, 2026
- First version recorded
- Sep 20, 2026
- Size
- 2,985 bytes
- Repository stars
- 3
- License
- CC-BY-4.0
Run a challenger persona against the substance of any chain artefact — bare = persona roster.
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
Challenger personas live as `.claude/agents/challenger-<persona>.md` — one isolated agent per persona, each defined by the blind spots it exists to find, said in its `description`; the roster is the scan of those files. Adding a persona means adding an agent file from `templates/challenger-definition.md`; this command does not change (who creates a persona, and when: CLAUDE.md, Isolated reviewers). Shared behaviour: the contract skill named in each persona file's front-matter (CLAUDE.md, Isolated reviewers). This command only chooses the persona, passes the target and verifies the bookkeeping. **Bare `/challenge` — the roster.** List the available personas (scan `.claude/agents/challenger-*.md`) and recommend which fits the project's subject. A recommendation, never a gate. **`/challenge <persona> [artefact|path] [slug]` — run it.** The target is an artefact named as `/forge` names it, or any file of the project by its path (CLAUDE.md, Isolated reviewers); how it narrows the run is the contract's and the persona file's. Invoke the `challenger-<persona>` subagent on the project (infer it from context; if ambiguous, ask), …
Read the whole file at its exact version.
How to install
mdr add pche-broken-artist/forge-of-thought/challenge@sha256:f703e7e2e409a3d9The line at the top of this page pins the label git:20261017.7179109, 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_g3utxo2ssk5rotiq)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 6 versions of this file, between Sep 20, 2026 and Oct 17, 2026, about one every 5 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261017.7179109 latest | 2026-10-17 | 7179109 | 2,985 B | B | view · diff |
| git:20261004.689abcd | 2026-10-04 | 689abcd | 2,935 B | B | view · diff |
| git:20261004.a1bb045 | 2026-10-04 | a1bb045 | 2,924 B | B | view · diff |
| git:20261002.e4c4eca | 2026-10-02 | e4c4eca | 2,870 B | B | view · diff |
| git:20260927.6064cb5 | 2026-09-27 | 6064cb5 | 3,120 B | B | view · diff |
| git:20260920.81f1ca7 | 2026-09-20 | 81f1ca7 | 3,112 B | B | view |
Audit of the latest version
- fail: Frontmatter declares a name
- pass: Frontmatter block present
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (2985 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
Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.
Source
pche-broken-artist/forge-of-thought · 3 stars · license CC-BY-4.0 · pushed 2026-10-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_g3utxo2ssk5rotiq GET https://markdownregistry.com/api/v1/resolve?ref=pche-broken-artist/forge-of-thought/challenge GET https://markdownregistry.com/api/v1/blob/f703e7e2e409a3d9ac29b8fd9e4aa70f528a94a00ad037ede14670be61a29a2c
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 pche-broken-artist/forge-of-thought
Every file in pche-broken-artist/forge-of-thought