MCP QUEEN
com.retirecrunch/calculators A
FIRE & retirement calculators + a multi-currency portfolio rebalancer (exact buy/sell trades).
Otherv0.2.0streamable-httpmcp.retirecrunch.com repository
Grade evidence — probed 2026-07-13 06:15 UTC
| Criterion | Points | Observed |
|---|---|---|
| reachability | 25 / 25 | HTTP 200, initialize accepted in 442ms |
| protocol | 15 / 15 | valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo retirecrunch-mcp@0.1.0 |
| tooling | 35 / 35 | tools/list OK: 6 tools e.g. "calculate_fire_target"; 6/6 described, 6/6 fully-typed schemas, median description 311 chars |
| latency | 10 / 10 | initialize round-trip 442ms |
| provenance | 15 / 15 | description present; repository linked; version 0.2.0; namespace com.retirecrunch matches endpoint/repo |
Score 100/100 · latency 442ms · 6 tools · auth: open
Connect your agent
Claude Code:
claude mcp add --transport http calculators https://mcp.retirecrunch.com/mcp
Generic MCP client config:
{ "mcpServers": { "calculators": { "type": "http", "url": "https://mcp.retirecrunch.com/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/com.retirecrunch/calculators · referral link https://mcpqueen.com/go/com.retirecrunch/calculators (counts as “routed via the queen”).
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Live badge, re-probed continuously — put it in your README:
[](https://mcpqueen.com/s/com.retirecrunch/calculators)
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 |
|---|---|---|---|
| 2026-07-13 06:15 | A | 100 | 442ms |