hunt-bugs SKILL.md skillA
hunt-bugs from go-to-k/cdkd is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add go-to-k/cdkd/hunt-bugs@git:20260925.f079138Pins git:20260925.f079138 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- go-to-k/cdkd
- Path
.claude/skills/hunt-bugs/SKILL.md- Versions recorded
- 11
- Latest version
- git:20260925.f079138, committed Sep 25, 2026
- First version recorded
- Sep 1, 2026
- Size
- 8,760 bytes
- Repository stars
- 158
- License
- Apache-2.0
Proactively hunt for cdkd bugs by deploying real CDK apps that exercise common-but-untested AWS resources, configs, and CloudFormation notations against real AWS, then fix what breaks. Use for a periodic "find latent bugs" sweep, not for verifying a specific change.
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
# cdkd Bug Hunt
Find latent cdkd bugs the way real users hit them: write a small CDK app using a
resource / config / CFn notation **cdkd has not exercised yet**, deploy it to
real AWS, and watch what breaks — on deploy AND destroy. Reading the source finds
*suspected* bugs; deploying finds *real* ones. Exploratory and possibly
expensive, acceptable only because every deployed resource is destroyed and
verified gone ("Cleanup is non-negotiable" below).
## Core principles
1. **Many-people-hit beats niche.** Prioritize daily CDK patterns (S3→Lambda
notifications, `BucketDeployment`, Lambda `logRetention`,
`AwsCustomResource`, `LambdaRestApi`, adding a GSI / changing a property on
redeploy, `grant*` IAM, cross-stack refs) over exotic edge cases.
2. **UPDATE and DESTROY are where bugs hide.** CREATE usually works; the
high-value paths are redeploy-with-a-changed-property (replacement
classification, silent drops) and delete (custom-resource onDelete,
ordering, state cleanup). Always test an update and always run destroy.
3. **Check coverage first** — hunt in genuinely-uncovered territory:
```bash
…Read the whole file at its exact version.
How to install
mdr add go-to-k/cdkd/hunt-bugs@sha256:2e8dcfbade6fca94The line at the top of this page pins the label git:20260925.f079138, 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_lcrkyku5o3jfa4qc)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 11 versions of this file, between Sep 1, 2026 and Sep 25, 2026, about one every 2 days. Its first recorded version is graded B and its latest A.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260925.f079138 latest | 2026-09-25 | f079138 | 8,760 B | A | view · diff |
| git:20260921.ea9bae8 | 2026-09-21 | ea9bae8 | 9,141 B | A | view · diff |
| git:20260920.ce2d419 | 2026-09-20 | ce2d419 | 9,143 B | A | view · diff |
| git:20260920.27bfec8 | 2026-09-20 | 27bfec8 | 9,143 B | A | view · diff |
| git:20260919.4c6478a | 2026-09-19 | 4c6478a | 9,462 B | A | view · diff |
| git:20260919.f99d2e7 | 2026-09-19 | f99d2e7 | 9,558 B | A | view · diff |
| git:20260910.e5b70ac | 2026-09-10 | e5b70ac | 10,452 B | B | view · diff |
| git:20260907.5c9eff4 | 2026-09-07 | 5c9eff4 | 10,212 B | B | view · diff |
| git:20260903.5b063ff | 2026-09-03 | 5b063ff | 10,067 B | B | view · diff |
| git:20260902.3019609 | 2026-09-02 | 3019609 | 16,564 B | B | view · diff |
| git:20260901.39c2e91 | 2026-09-01 | 39c2e91 | 16,039 B | B | 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 (8760 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
go-to-k/cdkd · 158 stars · license Apache-2.0 · pushed 2026-11-02 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_lcrkyku5o3jfa4qc GET https://markdownregistry.com/api/v1/resolve?ref=go-to-k/cdkd/hunt-bugs GET https://markdownregistry.com/api/v1/blob/2e8dcfbade6fca946ef61c0980f33403f47657c2cbaaafccc4e0ff67ff1fa955
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.