# Harpd Agent Data

- Registry name: `com.harpd/agent-data` · version 1.0.1
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets, Payments & accounting
- 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=com.harpd%2Fagent-data
- Server page: https://mcpstation.net/s/com.harpd--agent-data.html

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

Live rankings and pricing for 10,000+ AI products and LLMs. Free tier; paid data via x402.

## Connect

- streamable-http: `https://api.harpd.com/mcp`

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

- `get\_historical\_data`: The rank history of one AI product over 3, 6 or 12 months: position over time, rank movement, best and worst position, and the archived period results. This is the one thing a single page view of the board cannot tell an agent — whether a position is rising or falling. PAID: 0.05 USDC per call, sett
- `get\_rank`: Free Harpd Rank board for any scope and category, in the unified agent envelope. FREE: no payment, no API key, no account required. Canonical: https://harpd.com/rank/
- `harpd\_compare`: Head-to-head comparison of 2–8 AI products: category, published rank, list pricing where the product is a priced model, and the material differences between them. PAID: 0.01 USDC per call, settled over x402 on Base. This tool returns HTTP 402 with x402 payment requirements when no payment is attache
- `harpd\_optimize`: Given a task and the model currently running it, returns cheaper candidate models that still clear the task quality floor, with per-call and projected monthly savings, the performance trade-off, a confidence value and the evidence behind every number. PAID: 0.01 USDC per call, settled over x402 on B
- `harpd\_research`: A structured research answer over the Harpd catalog: matching products, category distribution, price bands, evidence per claim and the sources behind them. PAID: 0.05 USDC per call, settled over x402 on Base. This tool returns HTTP 402 with x402 payment requirements when no payment is attached; sign
- `search\_products`: Free keyword search over the published Harpd AI product catalog, with category filters and stable machine-readable results. FREE: no payment, no API key, no account required. Canonical: https://harpd.com/products/
- `verify\_agent\_payment`: A deliberately trivial paid product that exists so an agent can prove its whole x402 payment path — 402 challenge, signing, settlement, receipt — before it spends anything on data. Costs $0.01 and returns the request it received plus the settlement receipt. PAID: 0.01 USDC per call, settled over x40

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html