Reference Data MCP server
online · 100% uptimeCountries, timezones, elements, constants, HTTP status codes, unit conversion, and MIME type lookup.
not scanned yet
1 stars650 downloads/wk
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Reference Data tools
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How Reference Data compares
Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 93/100
- higher than 96% of 48,255 servers
- Uptime
- 100%
- of our recent checks; the typical remote server answers 100%
- Response time
- 490 ms
- faster than 30% of 30,031 servers
- GitHub stars
- 1
- more than 65% of 28,688 servers
- Downloads a week
- 650
- more than 91% of 12,191 servers with a package
Release history: 5 versions in the registry since 2026-08-25, latest 2026-10-28, typically one every 18 days.
Install Reference Data in Claude Code, Cursor or VS Code
claude mcp add --transport http reference-data-mcp-server https://reference-data.caseyjhand.com/mcp
What the publisher says
From the Reference Data repository's README, as published. We do not edit it. Read it on GitHub
@cyanheads/reference-data-mcp-server Look up countries, timezones, periodic table elements, physical constants, units, HTTP status codes, and MIME types via MCP. STDIO or Streamable HTTP. 10 Tools • 3 Resources
Public Hosted Server: https://reference-data.caseyjhand.com/mcp
Overview
Countries, timezones, periodic table elements, physical constants, units, HTTP status codes, and MIME types — all served from static, in-memory datasets, entirely offline with no API keys or rate limits. Look up, search, and convert across these domains from any MCP client. Runs as a stdio process, a local Streamable HTTP server, or the public hosted endpoint above.
Tools
Resources
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Reference Data: common questions
- Is Reference Data MCP server safe?
- Yes, by our scan: it is graded A (93/100). Read the Reference Data safety report
- How do I install Reference Data?
- It runs remotely at reference-data.caseyjhand.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Reference Data need an API key?
- No secret keys are declared. It reads 7 settings from the environment.
- Is Reference Data maintained?
- The last commit was 26 days ago (2026-10-09). The latest release is v0.2.0.
- Is Reference Data up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- How does Reference Data compare with other MCP servers?
- safety score 93/100 (higher than 96% of 48,255 servers); uptime 100% (of our recent checks; the typical remote server answers 100%); response time 490 ms (faster than 30% of 30,031 servers). Full comparison.