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  1. Servers
  3. exchangerate.dev

exchangerate.dev

dev.exchangerate/mcp

Free, source-labeled FX rates: 465 pairs across 31 currencies, majors update ~60s intraday.

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Findings

  • convert · inputSchema.properties.amount.anyOf.1.pattern

    "^(?!^[-+.]*$)[+-]?0*\\d*\\.?\\d*$": lookaround ((?=, (?!, (?<=, (?<!) is not RE2-compatible

Tools (5)

Check history

updated 11h ago·validator v0.2.0·re-checked weekly

DateGradeErrorsWarnings
2026-08-17D10
2026-08-10D10
2026-08-03D10
2026-07-27D10
2026-07-20D10
2026-07-08D10

Graded by connecting to the live server and validating every tool schema. Grades re-run on every sync. Findings and grades are never editable by the publisher.

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Kick the tires on your own server: run a check

Grade
D

Has a schema error a strict client can reject.

graded 2026-08-17

  • InteropD
  • Agent ergonomicsA
  • SafetyA

How grading works

Install

Graded D. Review the findings before installing.

Claude Code (remote)

claude mcp add --transport http dev-exchangerate-mcp https://api.exchangerate.dev/v1/mcp/

Endpoint (streamable HTTP)

https://api.exchangerate.dev/v1/mcp/

Verify it yourself

npx tirekick check https://api.exchangerate.dev/v1/mcp/
Links
  • MCP registry entry
  • Your server? Claim this listing