# Penny Engine — Agent Operations

- Registry name: `io.github.kasheik3/penny-engine` · version 0.7.7
- Categories (automatic, keyword rules): Shops & products, Commerce & marketing, Markets & trading, Finance & markets, Scraping & browsing, Search & data
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.kasheik3%2Fpenny-engine
- Server page: https://mcpstation.net/s/io.github.kasheik3--penny-engine.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://penny-agent-api-production.up.railway.app/mcp`

## Tools (as reported by the server, not verified)

- `penny\_margin`: Unit margin, markup and break-even units. Free, no signup, deterministic.
- `penny\_cleaning\_quote`: Commercial cleaning quote by labor and target margin. Free, no signup, deterministic.
- `penny\_marketplace\_profit`: Ecommerce net contribution after goods, fees, ads and shipping. Free, no signup, deterministic.
- `penny\_target\_price`: Find minimum price for target gross margin after fees. Free, no signup, deterministic.
- `penny\_campaign\_economics`: Customer acquisition cost and break-even click price. Free, no signup, deterministic.
- `penny\_subscription\_ltv`: Simple monthly churn lifetime value estimates. Free, no signup, deterministic.
- `penny\_url\_clean`: Remove common tracking parameters from HTTP links without fetching. Free, no signup, deterministic.
- `penny\_slugify`: Turn a short string into a lowercase ASCII URL slug. Free, no signup, deterministic.
- `penny\_json\_inspect`: Parse and inspect bounded JSON input without retaining it. Free, no signup, deterministic.
- `penny\_html\_extract`: Extract structured page title, meta tags, headings and JSON-LD from supplied HTML without browsing or executing scripts. Free, no signup, deterministic.
- `penny\_csv\_to\_json`: Transform CSV text into a bounded array of JSON records with quoted cell support. Free, no signup, deterministic.
- `penny\_catalog\_audit`: Batch-audit up to 50 product records for duplicate SKUs, missing attributes, malformed URLs and estimated net contribution per order. Useful for scheduled ecommerce catalog ingestion and agent product publishing. No external network calls. Free, no signup.
- `penny\_trend\_radar`: Get recent US Google Trends rising-search queries and transparent heuristic purchase-intent classification to identify digital product research candidates. Public RSS, cached 10 minutes, no customer or sales data. Free, no signup.
- `penny\_capability\_router`: Resolve an agent task to existing Penny Engine capabilities only. Does not execute, purchase, research live web content, or claim to handle arbitrary tasks. Unsupported requests are labeled explicitly. Free, no signup.
- `penny\_fulfillment\_preflight`: FREE preflight for a catalog audit or agent-output-batch-qa work order, with $0.001 Base USDC checkout instructions. Never charges, signs, or executes the paid call.
- `penny\_choose\_service`: Given an agent's real task, get the single best supported Penny Engine payable route, exact $0.001 quote, required input, sample, and buyer-authorized checkout instructions. Includes optional FREE CSV preflight; does not sign, pay or execute a paid call.
- `penny\_catalog\_import\_guard`: Before importing a product scrape, compare current and previous batches. Flag duplicate IDs, missing records, invalid prices, currency changes, price jumps and stock anomalies. Return row-level allow/review decisions with before/after evidence. Free trial: 50 rows per snapshot, 16,000-character requ
- `penny\_product\_evidence`: Retrieve current public product metadata and variant details from supported Allbirds and tentree product URLs. Return source timestamps, hashes, field provenance, conflicts and changes versus a caller-supplied previous snapshot. Narrow free preview; no browser rendering, purchases or background moni

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