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crypto-protocol-diagram SKILL.md skillA

crypto-protocol-diagram from outlinedriven/outline-driven-development is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add outlinedriven/outline-driven-development/crypto-protocol-diagram@git:20260912.07a8a1b

Pins git:20260912.07a8a1b in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: outlinedriven/outline-driven-development
Path: .devin/skills/crypto-protocol-diagram/SKILL.md
Versions recorded: 4
Latest version: git:20260912.07a8a1b, committed Sep 12, 2026
First version recorded: Sep 2, 2026
Size: 8,921 bytes
Repository stars: 55
License: Apache-2.0

Use when asked for a sequence diagram of cryptographic protocol semantics from code, prose, RFCs, papers, ProVerif, or Tamarin, or for code/spec divergence. Not for architecture: use diagramming-code.

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

# Crypto protocol diagram

## Contract

| Field | Bound contract |
|---|---|
| Trigger | The user asks to extract cryptographic protocol semantics from source code, prose, RFCs, papers, ProVerif, or Tamarin into a sequence diagram. |
| Authority | Reversible local: writes only one named Markdown artifact under the working directory; rollback is deleting the written file. No remote mutation. |
| Side effect | A named Markdown file containing a Mermaid sequence diagram, plus an inline ASCII rendering printed in the response. |
| Done | Every distinct protocol message, party, cryptographic operation, phase, and material abort path is represented; ambiguities and implementation/spec divergences are labeled. |

## Inputs

Required: one of the following, supplied by the user or present in the working tree.
- Source code implementing a cryptographic protocol (file path or directory).
- A specification: RFC, academic paper, pseudocode, informal prose, ProVerif (`.pv`), or Tamarin (`.spthy`) model. A URL is accepted for an RFC or paper.
- Both a spec and source code (run the spec path first, then annotate code/spec divergences).
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add outlinedriven/outline-driven-development/crypto-protocol-diagram@sha256:34d53e718de9c132

The line at the top of this page pins the label git:20260912.07a8a1b, 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](https://markdownregistry.com/badge/art_cc2d7llivgl7mfdo.svg)](https://markdownregistry.com/a/art_cc2d7llivgl7mfdo)

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

Versions

The registry has recorded 4 versions of this file, between Sep 2, 2026 and Sep 12, 2026, about one every 3 days.

version	committed	commit	size	audit
git:20260912.07a8a1b latest	2026-09-12	07a8a1b	8,921 B	A	view · diff
git:20260912.5c5b759	2026-09-12	5c5b759	8,918 B	A	view · diff
git:20260905.1f63894	2026-09-05	1f63894	8,887 B	A	view · diff
git:20260902.1fe14a3	2026-09-02	1fe14a3	8,967 B	A	view

Audit of the latest version

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 (8921 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

outlinedriven/outline-driven-development · 55 stars · license Apache-2.0 · pushed 2026-09-28 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_cc2d7llivgl7mfdo
GET https://markdownregistry.com/api/v1/resolve?ref=outlinedriven/outline-driven-development/crypto-protocol-diagram
GET https://markdownregistry.com/api/v1/blob/34d53e718de9c13267f8208bc8e7e7843e76619b3caa5cc036877bf701e74449

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.

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