Capture admitted HTTPS web pages with a host-provisioned Remotion browser, broker evidence, and managed PNG provenance.
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
# Capture — Agent Guide
Use `capture.web_page` when a film, document, or deck must show a real web page
as a managed image with proof of the requested origin, final URL, title, UTC
capture time, viewport, HTTP status, user agent, and host broker admission.
The action accepts HTTPS URLs only. The host supplies a provisioned Remotion
browser resource and a host-managed broker. A redirect to a different origin
is refused by that broker; the action does not follow a caller-selected proxy
or search the source checkout for a browser. `ASTRID_CAPTURE_CHROME` is an
optional explicit deployment path and must be passed by the admitted host.
Do not use this pack to mock a UI, work around authentication or bot walls, or
download files. A login page or bot response is captured honestly and remains
visible in the receipt.
The managed output contains `screenshot.png`, `receipt.json`, and the standard
Astrid result manifest. The host's signed broker evidence is referenced by the
receipt and finalized after the child exits; the receipt is not a replacement
for host settlement evidence.
The line at the top of this page pins the label git:20261014.71d43e0, 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.
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 (1254 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
banodoco/astrid-agent · 17 stars · license a license file GitHub does not identify · pushed 2026-10-22 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_4tt332j4l5rljrsw
GET https://markdownregistry.com/api/v1/resolve?ref=banodoco/astrid-agent/capture
GET https://markdownregistry.com/api/v1/blob/17000a219958ebaa7ef0a430650fd356a732a3bdd9d97af30ad75a55b7aadc4c
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.
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