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SKILL verified MIT Self-run

Wayback

skill-nc9-skills-wayback · by nc9

Query the Wayback Machine / Internet Archive — search snapshots, check availability, fetch archived page content. Use when user needs historical web pages, archived content, or wants to check if a URL was previously captured.

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Install

$ agentstack add skill-nc9-skills-wayback

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/skill-nc9-skills-wayback)

Reliability & compatibility

Security review passed
0 installs to date
no reviews yet
2mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

Wayback Machine

Query the Internet Archive's Wayback Machine for archived web pages.

When to Use

  • User wants to see an old/archived version of a web page
  • Checking if a URL/domain was previously active
  • Retrieving historical page content
  • Searching for all snapshots of a URL
  • Comparing page content over time

Requirements

No API key required — Wayback Machine is free and public.

Commands

search — Find snapshots

./scripts/wayback_search search "https://example.com" [-n 25] [--from 20200101] [--to 20231231]

check — Quick availability check

./scripts/wayback_search check "https://example.com"

latest — Fetch latest snapshot content

./scripts/wayback_search latest "https://example.com" [-f json]

get — Fetch snapshot at specific timestamp

./scripts/wayback_search get "https://example.com" -t 20200101120000

Options

| Option | Description | |--------|-------------| | -n, --limit | Max results for search (default: 25) | | --from | Start date YYYYMMDD | | --to | End date YYYYMMDD | | -s, --status | Filter by HTTP status (e.g. 200) | | --collapse | Dedupe by field (e.g. digest, timestamp:6) | | -m, --match | URL match: exact, prefix, host, domain | | -t, --timestamp | Snapshot timestamp for get/check | | --raw | Return raw HTML instead of extracted text | | -c, --max-chars | Max content chars (default: 10000) | | -f, --format | Output: json (default) or table |

Output Format

search — list of snapshots:

[
  {"timestamp": "20200101120000", "original": "https://example.com/", "statuscode": "200", "mimetype": "text/html", "digest": "ABC123"}
]

latest/get — extracted content:

{
  "url": "https://example.com",
  "timestamp": "20231215120000",
  "archiveUrl": "https://web.archive.org/web/20231215120000/https://example.com",
  "title": "Example Domain",
  "content": "Extracted page text..."
}

Examples

Search with date range:

./scripts/wayback_search search "https://example.com" --from 20200101 --to 20201231

Search all subpages of a domain:

./scripts/wayback_search search "example.com" --match domain --status 200 -n 50

Deduplicate by content:

./scripts/wayback_search search "https://example.com" --collapse digest

Get page as it appeared on a specific date:

./scripts/wayback_search get "https://example.com" -t 20200615

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

Reviews

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Versions

  • v0.1.0 Imported from the upstream source.