Harpd Agent Data is a remote MCP server that gives an AI agent 7 tools, among them get_historical_data, get_rank, harpd_compare. It answers at https://api.harpd.com/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 4 of 4 times since 23 September 2026; the last check, on 6 November 2026, succeeded.
Live rankings and pricing for 10,000+ AI products and LLMs. Free tier; paid data via x402.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
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 p Inputs: product, period, scope, category |
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/ Inputs: scope, category, limit |
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 4 Inputs: products |
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 ev Inputs: task, current_model, max_cost, monthly_calls, constraints |
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 Inputs: query, limit |
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/ Inputs: q, category, limit |
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 se Inputs: echo |
Every block below points at https://api.harpd.com/mcp. Pick your client and copy.
claude mcp add --transport http harpd-agent-data https://api.harpd.com/mcp
{
"mcpServers": {
"harpd-agent-data": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://api.harpd.com/mcp"]
}
}
}{
"mcpServers": {
"harpd-agent-data": {
"url": "https://api.harpd.com/mcp"
}
}
}{
"servers": {
"harpd-agent-data": {
"type": "http",
"url": "https://api.harpd.com/mcp"
}
}
}{
"context_servers": {
"harpd-agent-data": {
"url": "https://api.harpd.com/mcp"
}
}
}{
"mcpServers": {
"harpd-agent-data": {
"serverUrl": "https://api.harpd.com/mcp"
}
}
}{
"mcpServers": {
"harpd-agent-data": {
"url": "https://api.harpd.com/mcp"
}
}
}name: Harpd Agent Data
version: 0.0.1
schema: v1
mcpServers:
- name: Harpd Agent Data
type: streamable-http
url: https://api.harpd.com/mcp{
"mcpServers": {
"harpd-agent-data": {
"httpUrl": "https://api.harpd.com/mcp"
}
}
}{
"mcpServers": {
"harpd-agent-data": {
"type": "http",
"url": "https://api.harpd.com/mcp"
}
}
}{
"mcpServers": {
"harpd-agent-data": {
"url": "https://api.harpd.com/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fapi.harpd.com%2Fmcp&type=streamable_http&id=harpd-agent-data&name=Harpd%20Agent%20Data
It answered our last check on 6 November 2026 in 412 ms. Over 4 checks since 23 September 2026 it answered 4. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by harpd.com and served from api.harpd.com, the vendor's own domain: https://api.harpd.com/mcp.
7, as returned by the server's own tools/list on 9 November 2026: get_historical_data, get_rank, harpd_compare, harpd_optimize, harpd_research, search_products, verify_agent_payment.
It answered our last check on 6 November 2026 in 412 ms. Over 4 checks since 23 September 2026 it answered 4.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://api.harpd.com/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: com.harpd. Endpoint host: api.harpd.com. ARD identifier: urn:air:com.harpd:mcp:agent-data.
First indexed 18 September 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.