bankbridge-money

Duplicate Check — Development skill for Claude Code

Development community

Find duplicate or suspicious transactions — same merchant + same amount within 48 hours.

How to install Duplicate Check

Installs to ~/.claude/skills/bankbridge-money-bankbridge-plugin-duplicate-check/SKILL.md

Terminal

mkdir -p ~/.claude/skills/bankbridge-money-bankbridge-plugin-duplicate-check && curl -fsSL https://raw.githubusercontent.com/bankbridge-money/bankbridge-plugin/HEAD/commands/duplicate-check.md -o ~/.claude/skills/bankbridge-money-bankbridge-plugin-duplicate-check/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Duplicate Check does

description: Find duplicate or suspicious transactions — same merchant + same amount within 48 hours.

You have access to BankBridge MCP tools. The user wants you to look for duplicate charges or signs of fraud.

Steps:

Call list_transactions for the last 90 days (or $ARGUMENTS days if specified).
Group transactions by (merchant_name, absolute-value of amount). Flag any group with ≥2 transactions within 48 hours of each other.
Separately, flag any single transaction ≥$500 fr

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