Penny Engine — Agent Operations

Connect Remote server

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

{
  "mcpServers": {
    "penny-engine": {
      "url": "https://penny-agent-api-production.up.railway.app/mcp"
    }
  }
}

{
  "servers": {
    "penny-engine": {
      "type": "http",
      "url": "https://penny-agent-api-production.up.railway.app/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://penny-agent-api-production.up.railway.app/mcp

Tools 18 found in our last check

• 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,…

• 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, purchas…

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