Technical Analyst
tradermonty/claude-trading-skills
This skill should be used when analyzing weekly price charts for stocks, stock indices, cryptocurrencies, or forex pairs.
Simulate flash loan strategies with profitability calculations and risk assessment across Aave, dYdX, and Balancer.
Install Simulating Flash Loans
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace simulating-flash-loans --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/simulating-flash-loans .claude/skills/simulating-flash-loans && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "simulating-flash-loans" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/.curated/simulating-flash-loans into .claude/skills/simulating-flash-loans/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulating-flash-loans", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/.curated/simulating-flash-loansType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace simulating-flash-loans --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/.curated/simulating-flash-loans .agents/skills/simulating-flash-loans && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "simulating-flash-loans" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/.curated/simulating-flash-loans into .agents/skills/simulating-flash-loans/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulating-flash-loans", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace simulating-flash-loans --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/.curated/simulating-flash-loans .cursor/skills/simulating-flash-loans && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "simulating-flash-loans" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/.curated/simulating-flash-loans into .cursor/skills/simulating-flash-loans/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulating-flash-loans", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/jeremylongshore/tons-of-skills-marketplace.git --path skills/.curated/simulating-flash-loans--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace simulating-flash-loans --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/.curated/simulating-flash-loans .gemini/skills/simulating-flash-loans && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "simulating-flash-loans" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/.curated/simulating-flash-loans into .gemini/skills/simulating-flash-loans/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulating-flash-loans", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install jeremylongshore/tons-of-skills-marketplace simulating-flash-loansInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/.curated/simulating-flash-loans .github/skills/simulating-flash-loans && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "simulating-flash-loans" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/.curated/simulating-flash-loans into .github/skills/simulating-flash-loans/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulating-flash-loans", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace simulating-flash-loans --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/.curated/simulating-flash-loans .opencode/skills/simulating-flash-loans && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "simulating-flash-loans" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/.curated/simulating-flash-loans into .opencode/skills/simulating-flash-loans/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "simulating-flash-loans", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
simulating-flash-loans- GitHub stars
- 2.8k
- Token cost
- ~1.1k tokens
- SKILL.md length
- 290 words
- Files
- 13 (incl. scripts, references)
- Skills in repo
- 3,342
- Repo updated
- First seen
- Licence
- MIT
At a glance
Simulate flash loan strategies with profitability calculations and risk assessment across Aave, dYdX, and Balancer.
- Works in 4 steps: Install Python 3.9+ with web3, httpx,… → Configure RPC endpoint access (free… → Optionally add Etherscan API key for… → …
- Simulating flash loans
- SKILL.md covers Contents, Overview, Prerequisites and Instructions, plus 4 more sections
- Runs Python scripts from its folder; calls python
What it does
Simulating Flash Loans is an agent skill from jeremylongshore/tons-of-skills-marketplace. Simulate flash loan strategies with profitability calculations and risk assessment across Aave, dYdX, and Balancer. Use when simulating flash loans, analyzing arbitrage profitability, evaluating liquidation opportunities, or comparing flash loan providers. Trigger with phrases like "simulate flash loan", "flash loan arbitrage", "liquidation profit", "compare Aave dYdX", "flash loan strategy", or "DeFi arbitrage simulation".
Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 15 other files, including scripts and reference files (for example `ARD.md`, `PRD.md` and `config/settings.yaml`). Compatibility notes: Designed for Claude Code
It sits in Business, Finance & HR, covering Crypto and DeFi analysis. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.
When your agent uses it
- Simulating flash loans
- Analyzing arbitrage profitability
- Evaluating liquidation opportunities
- Comparing flash loan providers
Example prompts
- “simulate flash loan”
- “flash loan arbitrage”
- “liquidation profit”
- “/simulating-flash-loans”
Requirements
- Python 3
- Compatibility (from SKILL.md): Designed for Claude Code
- Pre-approved tools (allowed-tools): Read, Write, Edit, Grep, Glob, Bash(crypto:flashloan-*)
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Install Python 3.9+ with web3, httpx, and rich packages
- Configure RPC endpoint access (free public RPCs via https://chainlist.org work fine)
- Optionally add Etherscan API key for better gas estimates
- Set RPC in ${CLAUDE_SKILL_DIR}/config/settings.yaml or use ETH_RPC_URL env var
What it can do on your machine
Read from SKILL.md and the folder at commit 80f86df. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
ReadWriteEditGrepGlobBash(crypto:flashloan-*)
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships 6 files in scripts/ (Python), which the agent can run.
Shell commands in SKILL.md call:
python
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
chainlist.orgdocs.aave.comdocs.flashbots.net
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Compatibility
Designed for Claude Code
From compatibility in the SKILL.md frontmatter.
Context cost
Simulating Flash Loans loads about 1.1k tokens when it runs, and up to ~7.4k if it reads all its reference files. Until then it costs about 113 tokens; SKILL.md has 290 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.
SKILL.md
The full file from jeremylongshore/tons-of-skills-marketplace at commit 80f86df, republished under its MIT licence (© jeremylongshore). 290 words, ~1,144 tokens.
Download SKILL.mdSave it as
.claude/skills/simulating-flash-loans/SKILL.md (or your agent's skills folder). This skill also uses 12 other files; get the full folder from GitHub.- name
- simulating-flash-loans
- description
- Simulate flash loan strategies with profitability calculations and risk assessment across Aave, dYdX, and Balancer. Use when simulating flash loans, analyzing arbitrage profitability, evaluating liquidation opportunities, or comparing flash loan providers. Trigger with phrases like "simulate flash loan", "flash loan arbitrage", "liquidation profit", "compare Aave dYdX", "flash loan strategy", or "DeFi arbitrage simulation".
- allowed-tools
- Read, Write, Edit, Grep, Glob, Bash(crypto:flashloan-*)
- compatibility
- Designed for Claude Code
- version
- 1.30.0
- author
- Jeremy Longshore <jeremy@intentsolutions.io>
- license
- MIT
- tags
- crypto, simulating-flash
Simulating Flash Loans
Contents
Overview | Prerequisites | Instructions | Output | Error Handling | Examples | Resources
Overview
Simulate flash loan strategies across Aave V3, dYdX, and Balancer with profitability calculations, gas cost estimation, and risk assessment. Evaluate flash loan opportunities without executing real transactions.
Prerequisites
- Install Python 3.9+ with
web3,httpx, andrichpackages - Configure RPC endpoint access (free public RPCs via https://chainlist.org work fine)
- Optionally add Etherscan API key for better gas estimates
- Set RPC in
${CLAUDE_SKILL_DIR}/config/settings.yamlor useETH_RPC_URLenv var
Instructions
Simulate a two-DEX arbitrage with automatic fee and gas calculation:
bash python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py arbitrage ETH USDC 100 \ --dex-buy uniswap --dex-sell sushiswapCompare flash loan providers to find the cheapest for your strategy:
bash python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py arbitrage ETH USDC 100 --compare-providersAnalyze liquidation profitability on lending protocols:
bash python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py liquidation \ --protocol aave --health-factor 0.95Simulate triangular arbitrage with multi-hop circular paths:
bash python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py triangular \ ETH USDC WBTC ETH --amount 50Add risk assessment (MEV competition, execution, protocol, liquidity) to any simulation:
bash python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py arbitrage ETH USDC 100 --risk-analysisRun full analysis combining all features:
bash python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py arbitrage ETH USDC 100 \ --full --output json > simulation.json
Output
- Quick Mode: Net profit/loss, provider recommendation, Go/No-Go verdict
- Breakdown Mode: Step-by-step transaction flow with individual cost components
- Comparison Mode: All providers ranked by net profit with fee differences
- Risk Analysis: Competition, execution, protocol, and liquidity scores (0-100) with viability grade (A-F)
See ${CLAUDE_SKILL_DIR}/references/implementation.md for detailed output examples and risk scoring methodology.
Error Handling
| Error | Cause | Solution |
|---|---|---|
| RPC Rate Limit | Too many requests | Switch to backup endpoint or wait |
| Stale Prices | Data older than 30s | Auto-refreshes with warning |
| No Profitable Route | All routes lose after costs | Try different pairs or amounts |
| Insufficient Liquidity | Trade exceeds pool depth | Reduce amount or split across pools |
See ${CLAUDE_SKILL_DIR}/references/errors.md for comprehensive error handling.
Examples
Basic arbitrage simulation:
python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py arbitrage ETH USDC 100 \
--dex-buy uniswap --dex-sell sushiswapFind cheapest provider:
python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py arbitrage ETH USDC 100 --compare-providersLiquidation opportunity scan:
python ${CLAUDE_SKILL_DIR}/scripts/flash_simulator.py liquidation --protocol aave --health-factor 0.95See ${CLAUDE_SKILL_DIR}/references/examples.md for multi-provider comparison and backtesting examples.
Resources
${CLAUDE_SKILL_DIR}/references/implementation.md- Provider comparison, strategy details, risk scoring, output modes- Aave V3 Flash Loans
- dYdX Flash Loans
- Balancer Flash Loans
- Flashbots Protect
© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 12 other files (scripts, references) in skills/.curated/simulating-flash-loans of jeremylongshore/tons-of-skills-marketplace.
- SKILL.md
- ARD.md
- PRD.md
- config/settings.yaml
- references/errors.md
- references/examples.md
- references/implementation.md
- scripts/flash_simulator.py
- scripts/formatters.py
- scripts/profit_calculator.py
- scripts/protocol_adapters.py
- scripts/risk_assessor.py
- scripts/strategy_engine.py
Open the folder on GitHubat commit 80f86df
Compare with similar skills
Simulating Flash Loans next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Simulating Flash Loans this skilljeremylongshore/tons-of-skills-marketplace | 2.8k | — | ~1.1k | Automated safety check: Pass | MIT | |
| Technical Analysttradermonty/claude-trading-skills | 3k | 4 repos | ~4.6k | Automated safety check: Pass | MIT | |
| Polyclawchainstacklabs/polyclaw | 359 | 1 repos | ~2k | Automated safety check: Pass | Apache-2.0 | |
| Longbridge Researchhelsome/folio | 270 | 3 repos | ~2.1k | Automated safety check: Pass | MIT | |
| Stock Analysis24mlight/StockClaw | 101 | 2 repos | ~2k | Automated safety check: Notes | MIT | |
| Swapper Depositswapperfinance/swapper-toolkit | 852 | — | ~1.8k | Automated safety check: Pass | MIT |
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Related
Categories
Questions about Simulating Flash Loans
What does Simulating Flash Loans do?
Simulate flash loan strategies with profitability calculations and risk assessment across Aave, dYdX, and Balancer. Simulating Flash Loans is an agent skill from jeremylongshore/tons-of-skills-marketplace. Simulate flash loan strategies with profitability calculations and risk assessment across Aave, dYdX, and Balancer.
When should I use Simulating Flash Loans?
Simulating Flash Loans fits situations like: simulating flash loans; analyzing arbitrage profitability; evaluating liquidation opportunities; comparing flash loan providers.
How do I install Simulating Flash Loans in Claude Code?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a claude-code`. Or copy the skill folder (skills/.curated/simulating-flash-loans in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/simulating-flash-loans in your project. Claude Code loads it when a task matches its description.
How do I install Simulating Flash Loans in Codex?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a codex`. Or copy the skill folder (skills/.curated/simulating-flash-loans in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/simulating-flash-loans in your project. Codex loads it when a task matches its description.
Can I use Simulating Flash Loans in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill simulating-flash-loans -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/simulating-flash-loans, .gemini/skills/simulating-flash-loans, .github/skills/simulating-flash-loans and .opencode/skills/simulating-flash-loans in your project.
What does Simulating Flash Loans need to run?
Going by SKILL.md and its folder, Simulating Flash Loans needs Python for the scripts in its folder and the command-line tools its instructions call (python). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Read, Write, Edit, Grep, Glob, Bash(crypto:flashloan-*). Compatibility (from SKILL.md): Designed for Claude Code.
Does Simulating Flash Loans access the network?
SKILL.md names 3 domains. As links in the text: chainlist.org, docs.aave.com and docs.flashbots.net. This is read from the text; nothing was executed.
Is Simulating Flash Loans safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Simulating Flash Loans use?
Simulating Flash Loans is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Simulating Flash Loans use?
About 1.1k tokens (SKILL.md is roughly 4.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 6.3k tokens, read only when the agent opens those files.
What are the alternatives to Simulating Flash Loans?
Skills that share tags, products or a category with Simulating Flash Loans: Technical Analyst (tradermonty/claude-trading-skills, 3k stars), Polyclaw (chainstacklabs/polyclaw, 359 stars), Longbridge Research (helsome/folio, 270 stars) and Stock Analysis (24mlight/StockClaw, 101 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Simulating Flash Loans?
jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,825 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 9, 2026.
Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.