MCP QUEEN
io.github.simul813/kdp-niche-research A
Kindle niche intelligence (demand/competition/BSR/revenue) gated by x402 USDC on Base.
Dev & Codev0.2.0streamable-httpnichedata.dev repository
Grade evidence — probed 2026-07-14 20:15 UTC
| Criterion | Points | Observed |
|---|---|---|
| reachability | 25 / 25 | HTTP 200, initialize accepted in 353ms |
| protocol | 15 / 15 | valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo kdp-niche-research@1.28.1 |
| tooling | 35 / 35 | tools/list OK: 2 tools e.g. "list_niches"; 2/2 described, 2/2 fully-typed schemas, median description 1073 chars |
| latency | 10 / 10 | initialize round-trip 353ms |
| provenance | 15 / 15 | description present; repository linked; version 0.2.0; namespace io.github.simul813 matches endpoint/repo |
Score 100/100 · latency 353ms · 2 tools · auth: open
Connect your agent
Claude Code:
claude mcp add --transport http kdp-niche-research https://nichedata.dev/mcp
Generic MCP client config:
{ "mcpServers": { "kdp-niche-research": { "type": "http", "url": "https://nichedata.dev/mcp" } } }
MCP Queen is a graded index, not a middleman — your agent connects directly to the server above. Check the grade and evidence first; that's the point.
Share this server: permalink https://mcpqueen.com/s/io.github.simul813/kdp-niche-research · referral link https://mcpqueen.com/go/io.github.simul813/kdp-niche-research (counts as “routed via the queen”).
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[](https://mcpqueen.com/s/io.github.simul813/kdp-niche-research)
Think the grade is wrong? Fix the finding the evidence shows, then the next probe cycle picks it up automatically (full cycle ≈ 3 days) — or open a dispute via the MCP endpoint.
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Probe history
| When (UTC) | Grade | Score | Latency |
|---|---|---|---|
| 2026-07-14 20:15 | A | 100 | 353ms |