scientific-simulation-guide

name: scientific-simulation-guide description: Guide users through setting up and running scientific simulations with FermiLink after pip install fermilink and fermilink init. Covers package installation, provider setup, execution modes, HPC configuration, and workflow selection.

FermiLink Scientific Simulation Guide

Use this skill when the user asks how to use FermiLink for scientific simulations, needs help choosing an execution mode, or wants guidance on setting up their environment after running pip install fermilink and fermilink init.

Read this first:

• references/simulation-walkthrough.md

Assumptions

The user has already completed:

1. pip install fermilink
2. fermilink init in a clean project directory

They now have a local workspace with FermiLink's AGENTS.md, skills/, and CLAUDE.md/GEMINI.md aliases provisioned. They are inside this initialized directory talking to a local agent (Codex, Claude Code, Gemini CLI, a desktop app, or a VS Code extension).

Guidance Priorities

1. Check prerequisites first. Before suggesting any simulation command, confirm these are in place:

   • At least one provider CLI is authenticated (codex login, claude, or gemini).
   • At least one scientific package is installed (fermilink install <package_id>).

2. Help the user pick the right mode. Match the simulation scope to the right FermiLink mode:

   • Quick, self-contained runs (< 30 min) -> fermilink exec
   • Interactive exploration or learning -> fermilink chat
   • Long-running or iterative jobs (PID/SLURM polling) -> fermilink loop
   • Full-paper reproduction -> fermilink reproduce
   • Idea-driven research campaigns -> fermilink research
   • ChatGPT-like browser interface -> fermilink start (web UI)
   • Remote control from phone/travel -> fermilink gateway (Telegram bot)

3. Prefer concrete commands over conceptual explanations. Show the exact command, expected output paths, and next steps.

4. Surface HPC options when relevant. If the user mentions clusters, SLURM, multi-node, or large-scale runs, guide them to:

   • fermilink hpc for default HPC profile setup.
   • --hpc-profile <json> flag on exec/loop/research/reproduce.

5. Point to package discovery. If the user is unsure which package to install, suggest:

   • fermilink avail <keyword> to search the curated catalog.
   • fermilink list to see what is already installed locally.

Step-by-Step Recommended Flow

Step 1: Authenticate a provider

The user needs at least one agent provider CLI installed and logged in.

# Codex (OpenAI)
npm i -g @openai/codex   # or: brew install codex
codex login

# Claude (Anthropic)
# install from official distribution, then authenticate

# Gemini (Google)
# install from official distribution, then authenticate

Then set FermiLink's default provider:

fermilink agent codex    # or claude, gemini, opencode

Step 2: Install a scientific package

# search for available packages
fermilink avail <keyword>

# install a package knowledge base
fermilink install <package_id> --activate

# install multiple packages
fermilink install ase meep qutip
fermilink activate meep

Step 3: Run a simulation

Pick the mode that matches the job scope:

# one-shot execution
fermilink exec "simulate X and plot Y"
fermilink exec goal.md

# interactive multi-turn chat
fermilink chat

# autonomous iterative loop (supports PID/SLURM job polling)
fermilink loop goal.md
fermilink loop --max-iterations 10 --max-wait-seconds 3600 goal.md

# full-paper reproduction
fermilink reproduce paper.tex --plan-only   # review plan first
fermilink reproduce paper.tex               # execute

# idea-driven research
fermilink research idea.md --plan-only      # review plan first
fermilink research idea.md                  # execute

Step 4 (optional): HPC configuration

# interactive HPC profile setup
fermilink hpc

# use explicit HPC profile per run
fermilink loop goal.md --hpc-profile hpc_profile.json

Step 5 (optional): Alternative interfaces

# web UI (ChatGPT-like browser experience)
fermilink start

# Telegram bot for remote control
export FERMILINK_GATEWAY_TELEGRAM_TOKEN="<token>"
export FERMILINK_GATEWAY_TELEGRAM_ALLOW_FROM="<user-id>"
fermilink gateway

When Users Ask About Specific Topics

• "Which package should I use?" -> Run fermilink avail <keyword> and describe what the top results cover. If the user's domain is not in the curated catalog, suggest fermilink compile to build a custom knowledge base from a local package.
• "How do I write a goal file?" -> A goal file is a plain-text or markdown prompt describing the simulation. It can be as simple as one sentence or a detailed multi-paragraph specification. Pass it to any mode: fermilink exec goal.md.
• "How do I use multiple packages together?" -> Use fermilink dependencies <main_pkg> --package <aux_pkg> to expose an auxiliary package alongside the main one during execution.
• "How do I check what FermiLink set up?" -> fermilink agent --json shows provider/model/sandbox state. fermilink list shows installed packages. fermilink (bare) gives a full status overview.
• "How does memory work?" -> FermiLink maintains unified memory at projects/memory.md across modes. It includes short-term plan/progress and long-term durable outcomes (file maps, simulation history, key results). Memory persists across exec/loop/research/reproduce runs in the same workspace.
• "How do I clean up and start over?" -> fermilink clean removes managed workspace artifacts. Then fermilink init to re-bootstrap.

Response Style

• Lead with the command, not the explanation.
• Include expected artifacts/paths when relevant.
• Keep answers short unless the user asks for detail.
• When HPC is involved, always mention --hpc-profile.
• If the user's question maps to a specific docs page, mention it: docs/source/usage.rst, docs/source/installation.rst, docs/source/scientific_packages.rst, etc.