read-deleted-pages SKILL.md skillA
read-deleted-pages from tonydzi/second-brain-starter-kit is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add tonydzi/second-brain-starter-kit/read-deleted-pages@git:20261020.402f6b7Pins git:20261020.402f6b7 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- tonydzi/second-brain-starter-kit
- Path
skills/read-deleted-pages/SKILL.md- Versions recorded
- 4
- Latest version
- git:20261020.402f6b7, committed Oct 20, 2026
- First version recorded
- Sep 24, 2026
- Size
- 14,884 bytes
- Repository stars
- 14
- License
- MIT
- Recover deleted, edited or historical web content using the Wayback Machine and its CDX API, archive.today, Common Crawl… Use when a page is deleted, changed or 404s, checking what a site used to say, finding old team or staff pages, prior pricing, removed posts, pre-redaction wording or old contact details, enumerating every archived URL for a domain, or preserving evidence before it disappears.
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
# Read deleted pages Archives work because removal is a decision made after publication. The beginner's mistake is treating the Wayback Machine as a website you browse: the calendar UI shows one page at a time, while the CDX API enumerates every URL the archive ever saw under a host, including paths nobody remembers. ## Which archive first | Situation | Go to | Why | |---|---|---| | A URL that 404s now | Wayback, then archive.today | Different corpora, different removal pressure | | "What did this site say before X" | Wayback CDX with `collapse=digest` | Gives the dates content changed, not every capture | | A JS-heavy page or a social post | archive.today | Captures the rendered DOM; Wayback often replays an empty shell | | Wayback says the URL is excluded | archive.today, then Common Crawl | Neither answers to Wayback's exclusion process | | Paths and subdomains you don't know about | CDX with `matchType=domain` | It is an enumeration tool, not a lookup tool | | A URL Wayback never captured | Common Crawl | Independent crawler, different seeds | …
Read the whole file at its exact version.
How to install
mdr add tonydzi/second-brain-starter-kit/read-deleted-pages@sha256:18f63b8a0cdce79fThe line at the top of this page pins the label git:20261020.402f6b7, 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_qld5avhuhvsew63m)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 4 versions of this file, between Sep 24, 2026 and Oct 20, 2026, about one every 9 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261020.402f6b7 latest | 2026-10-20 | 402f6b7 | 14,884 B | A | view · diff |
| git:20261007.cd6c208 | 2026-10-07 | cd6c208 | 14,890 B | A | view · diff |
| git:20261003.a2d662f | 2026-10-03 | a2d662f | 14,891 B | A | view · diff |
| git:20260924.2784cb2 | 2026-09-24 | 2784cb2 | 13,776 B | A | 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 (14884 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
tonydzi/second-brain-starter-kit · 14 stars · license MIT · pushed 2026-11-06 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_qld5avhuhvsew63m GET https://markdownregistry.com/api/v1/resolve?ref=tonydzi/second-brain-starter-kit/read-deleted-pages GET https://markdownregistry.com/api/v1/blob/18f63b8a0cdce79f585ff5cf7d2495e577048a0dedee2598db2281c9b3a31b84
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.