trust-boundary Cursor ruleA

trust-boundary from arturogarrido/claudinho is a Cursor rule: instructions the Cursor agent follows in that repo.

Install it, pinned
mdr add arturogarrido/claudinho/.cursor/rules/trust-boundary.mdc@git:20261014.402e270

Pins git:20261014.402e270 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 14 of 14 checks passed
Kind
Cursor rule
Repository
arturogarrido/claudinho
Path
.cursor/rules/trust-boundary.mdc
Versions recorded
5
Latest version
git:20261014.402e270, committed Oct 14, 2026
First version recorded
Oct 3, 2026
Size
977 bytes
Repository stars
35
License
MIT

Where untrusted input becomes a domain type, and the rules that hold there.

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

# The trust boundary

Feed responses and local cache files are untrusted input. They enter through `packages/core/src/trust/` and leave as a domain type or as a stated reason they could not. Nothing else builds a `Match` or a `MarketSignal` from raw input.

The rules of this area are `AGENTS.md` "Conventions" (canonical). Their narration, and what this rule stated that no bullet does, are in `guides/conventions/trust-boundary.md`; the parts on composed windows, team identity and bounds are in `guides/conventions/off-bundle-reads.md`, `guides/conventions/stage-and-teams.md` and `guides/conventions/surfaces.md`.

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add arturogarrido/claudinho/.cursor/rules/trust-boundary.mdc@sha256:c5cb2c217d05443b

The line at the top of this page pins the label git:20261014.402e270, 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_yobexvzgq5xnuvqd.svg)](https://markdownregistry.com/a/art_yobexvzgq5xnuvqd)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Oct 3, 2026 and Oct 14, 2026, about one every 3 days.

versioncommittedcommitsizeaudit
git:20261014.402e270 latest2026-10-14 402e270 977 BA view · diff
git:20261009.810ba092026-10-09 810ba09 924 BA view · diff
git:20261004.f6b4cf92026-10-04 f6b4cf9 9,611 BA view · diff
git:20261004.bef388a2026-10-04 bef388a 9,539 BA view · diff
git:20261003.901b5322026-10-03 901b532 8,797 BA view

Audit of the latest version

A  14 of 14 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Size between 200 bytes and 200 KB (977 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

arturogarrido/claudinho · 35 stars · license MIT · pushed 2026-11-01 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_yobexvzgq5xnuvqd
GET https://markdownregistry.com/api/v1/resolve?ref=arturogarrido/claudinho/.cursor/rules/trust-boundary.mdc
GET https://markdownregistry.com/api/v1/blob/c5cb2c217d05443b81cbdbdcdb33ccb8e2912fd6b43d931e9ef7f17d51d2fc1d

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: Cursor rules vs AGENTS.md · which agent file does what.

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