install-and-verify SKILL.md skillB
install-and-verify from reticlehq/reticle is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add reticlehq/reticle/install-and-verify@v3.9.0Pins v3.9.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- B, 16 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- reticlehq/reticle
- Path
skills/install-and-verify/SKILL.md- Versions recorded
- 25
- Latest version
- v3.9.0, committed Nov 1, 2026
- First version recorded
- Aug 30, 2026
- Size
- 16,038 bytes
- Repository stars
- 1,249
- License
- a license file GitHub does not identify
Verify that a web app change actually works by driving the running app from the inside (DOM, network, routing, console, framework state) instead of screenshots or guessing. Use after any user-facing change, when a fix is claimed but unproven, when a test passes but the UI is broken, or when you need a real verdict rather than "looks right". Also use to install and wire up Reticle in a project that does not have it yet.
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
# Reticle
Reticle is the proof layer for AI coding agents. A dev-only SDK inside the user's running app gives you `reticle_*` MCP tools that read the DOM, network, routing, console and framework state. You act on the real app and get a verdict: `yes`, `no`, or `unknown` (could not tell), with evidence and the `file:line` to open. No screenshots: it drives the tab the user already has open.
**Your first goal: one real verdict in the user's app.** Do the steps in order. Do not stop to explain Reticle first.
## 1. Check the app, with nothing installed
**`reticle_*` tools visible?** Call `reticle_session { action: "list" }`. It changes no file. On a wired project, go to step 3. On a project that is not wired, its `next_step` names the zero-install lease and asks the consent question for `init`.
**No tools, or an app with no `.reticle.json`?** Run this in the app's folder. It changes no file:
```bash
npx @reticlehq/server@latest
```
…Read the whole file at its exact version.
How to install
mdr add reticlehq/reticle/install-and-verify@sha256:a03c5088ae33a063The line at the top of this page pins the label v3.9.0, 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_vd46uzvdvfggscxg)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 25 versions of this file, between Aug 30, 2026 and Nov 1, 2026, about one every 3 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v3.9.0 latest | 2026-11-01 | 329ba9a | 16,038 B | B | view · diff |
| v3.9.0 | 2026-10-31 | 91e6165 | 15,854 B | B | view · diff |
| v3.9.0 | 2026-10-29 | fa1b97c | 15,836 B | B | view · diff |
| v3.9.0 | 2026-10-29 | f2e07e0 | 15,822 B | C | view · diff |
| v3.8.2 | 2026-10-26 | f8a40d5 | 15,822 B | C | view · diff |
| v3.8.1 | 2026-10-26 | a6b11ca | 15,822 B | C | view · diff |
| v3.8.0 | 2026-10-25 | b673f9e | 15,822 B | C | view · diff |
| v3.8.0 | 2026-10-25 | 68dd8a1 | 15,633 B | C | view · diff |
| v3.7.0 | 2026-10-16 | 5281a4b | 12,782 B | C | view · diff |
| v3.7.0 | 2026-10-09 | 4019204 | 12,790 B | C | view · diff |
| v3.6.0 | 2026-10-07 | c08be48 | 12,790 B | C | view · diff |
| v3.5.0 | 2026-10-01 | 14085e6 | 12,413 B | C | view · diff |
| v3.4.0 | 2026-09-30 | 2685d9a | 12,413 B | C | view · diff |
| v3.3.0 | 2026-09-30 | 6cbaaa3 | 12,413 B | C | view · diff |
| v3.3.0 | 2026-09-30 | bfa6320 | 12,603 B | C | view · diff |
| v3.3.0 | 2026-09-26 | 9af7d09 | 12,538 B | C | view · diff |
| v3.3.0 | 2026-09-25 | 0b8afcc | 12,540 B | C | view · diff |
| v3.2.0 | 2026-09-23 | d400c5d | 12,540 B | C | view · diff |
| v3.1.0 | 2026-09-18 | 5d475e0 | 12,540 B | C | view · diff |
| v2.14.0 | 2026-09-09 | f3be3a9 | 11,340 B | B | view · diff |
| v2.13.1 | 2026-09-02 | 96d872c | 11,340 B | B | view · diff |
| v2.13.0 | 2026-09-02 | a6ee238 | 11,340 B | B | view · diff |
| v2.12.0 | 2026-09-02 | 9814709 | 11,340 B | B | view · diff |
| v2.9.0 | 2026-08-30 | 9b4fa50 | 11,109 B | B | view · diff |
| v2.9.0 | 2026-08-30 | 0664fb9 | 10,724 B | B | view |
Audit of the latest version
- fail: No prompt-injection phrasing (matched: Do not tell the user)
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (16038 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 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
Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.
Source
reticlehq/reticle · 1,249 stars · license a license file GitHub does not identify · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_vd46uzvdvfggscxg GET https://markdownregistry.com/api/v1/resolve?ref=reticlehq/reticle/install-and-verify GET https://markdownregistry.com/api/v1/blob/a03c5088ae33a063b1237e4c2ec8363671644442ebc902e92543cf63f3c0e267
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.