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mcp/harbor
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Penny Engine — Agent Operations MCP

v0.7.7

io.github.kasheik3/penny-engine

Remote MCP utilities for agents: structured data, commerce checks, and x402 paid API discovery.

transport:streamable-http tools:16

Target client

run in your project directory 

claude mcp add --transport http penny-engine https://penny-agent-api-production.up.railway.app/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

penny_margin

penny margin

penny_cleaning_quote

penny cleaning quote

penny_marketplace_profit

penny marketplace profit

penny_target_price

penny target price

penny_campaign_economics

penny campaign economics

penny_subscription_ltv

penny subscription ltv

penny_url_clean

penny url clean

penny_slugify

penny slugify

penny_json_inspect

penny json inspect

penny_html_extract

penny html extract

penny_csv_to_json

penny csv to json

penny_catalog_audit

penny catalog audit

penny_trend_radar

penny trend radar

penny_capability_router

penny capability router

penny_fulfillment_preflight

penny fulfillment preflight

penny_choose_service

penny choose service

All 16 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.