KDP Niche Research MCP Server

by simul813 Your server? Claim it

not responding

KDP Niche Research is listed as active in the registry but did not answer our last check. It exposes 2 tools.

Kindle niche intelligence (demand/competition/BSR/revenue) gated by x402 USDC on Base.

The linked repository no longer exists on GitHub — it was deleted or made private.

Uptime history 51 days of history · worst day 0%

51 days agonow

7.6%

Uptime 24h

7 of 92 checks

Tools

read from the server

339 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 25 August 2026. No other catalogue keeps this.

25 Aug a tool changed version

KDP Niche Research does not always answer

Over the last week it answered 2.7% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add kdp-niche-research --transport http https://nichedata.dev/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "kdp-niche-research": {
      "url": "https://nichedata.dev/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.kdp-niche-research]
url = "https://nichedata.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "kdp-niche-research": {
      "url": "https://nichedata.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "kdp-niche-research": {
      "url": "https://nichedata.dev/mcp"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

niches

list_niches

List available KDP niche keywords ordered by demand score. Use this to discover what Kindle publishing niches are available for detailed research. Returns keywords ordered by demand score (highest first). This endpoint is free — no payment required. Args: limit: Number of results to return (1-100, default 20) offset: Pagination offset (default 0)

research

research_niche

Get detailed KDP niche intelligence for a specific keyword. Returns demand score, competition score, Amazon BSR range, estimated monthly revenue, review threshold, average book pricing, and data freshness for the given Kindle publishing niche. Pricing tiers (x402 USDC on Base network): - $0.03 per query for cached/pre-seeded keywords - $0.10 per query for live on-demand research (new keywords) Use the free `list_niches` tool first to see available keywords. Payment options: 1. Set the KDP_X_PAYMENT environment variable on the server for auto-pay. 2. Pass a valid x402 payment header via the x_payment argument. 3. If neither is set, the tool returns structured 402 payment instructions that an x402-capable agent can use to construct and retry payment. Args: keyword: The KDP niche keyword to research (e.g. "romance novels", "keto cookbook") x_payment: Optional base64-encoded x402 payment header. Takes precedence over the KDP_X_PAYMENT environment variable.

Endpoints

URL	Transport	State	Latency	Checked
https://nichedata.dev/mcp	streamable-http	answering	205 ms	2 min ago

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KDP Niche Research — questions

Answers built from our own checks of this server.

What can KDP Niche Research do?

It exposes 2 tools, read directly from the server on our last check. Among them: list_niches, research_niche. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is KDP Niche Research working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 7 of 92 checks got a reply (7.6%), average response time 339 ms. The bar chart above shows every period we have measured.

Is KDP Niche Research still maintained?

The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.

The registry lists KDP Niche Research as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect KDP Niche Research?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does KDP Niche Research need an API key?

No. KDP Niche Research completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is KDP Niche Research?

It answers our handshake in 339 ms on average, which is faster than 48% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.