feynrules-model-generator SKILL.md skillA
feynrules-model-generator from rise-agi/magnus is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add rise-agi/magnus/feynrules-model-generator@git:20260315.85ba619Pins git:20260315.85ba619 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- rise-agi/magnus
- Path
sdks/python/src/magnus/bundled/skills/feynrules-model-generator/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260315.85ba619, committed Mar 15, 2026
- Size
- 5,366 bytes
- Repository stars
- 26
- License
- AGPL-3.0
Generate FeynRules .fr model files from LaTeX Lagrangian descriptions. Triggers when the user provides a Lagrangian in LaTeX notation and wants it converted to a FeynRules model file for particle physics simulations.
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
# FeynRules Model Generator ## Overview This skill converts LaTeX Lagrangian descriptions into complete, validated FeynRules `.fr` model files. These files define Beyond-the-Standard-Model (BSM) particle physics models that extend the Standard Model (SM) with new particles, couplings, and interactions. The generated `.fr` files are used downstream for validation (feynrules-validator skill) and UFO generation (ufo-generator skill). This is a **pure LLM generation task** — no remote execution or Magnus blueprints are involved. ## Workflow Work through these steps **one at a time**. Do not try to write the complete `.fr` file in one shot — copy the skeleton first, then edit each section incrementally. ### Step 1: Analyze the Lagrangian - Identify all new fields (scalars, fermions, vectors) and their quantum numbers - Identify all coupling constants and their chirality structure (left/right projectors) - Determine if "+ h.c." is present (affects Hermitian conjugate handling) - Map physics notation to FeynRules symbol conventions ### Step 2: Map Symbols to FeynRules Conventions - Use the SM symbol conventions built into FeynRules (see reference doc): …
Read the whole file at its exact version.
How to install
mdr add rise-agi/magnus/feynrules-model-generator@sha256:f0370a7c28bed5eeThe line at the top of this page pins the label git:20260315.85ba619, 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_wfvzoyq3x3zugvg5)
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Versions
The registry has recorded 1 version of this file, committed on Mar 15, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5366 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
rise-agi/magnus · 26 stars · license AGPL-3.0 · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_wfvzoyq3x3zugvg5 GET https://markdownregistry.com/api/v1/resolve?ref=rise-agi/magnus/feynrules-model-generator GET https://markdownregistry.com/api/v1/blob/f0370a7c28bed5ee5547524f7df290e5bc7dcab83a7f7e278dc17b04ca7e6348
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.