Running tools for AI agents: 86 calculators, marathon data, pace and HR zones.
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Rundida MCP Server is an MCP server that running tools for AI agents: 86 calculators, marathon data, pace and HR zones. Its tool list has not been published yet over stdio and http, requires no API key, and scores 80/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"rundida": {
"args": [
"-y",
"@rundida/mcp-server"
],
"command": "npx"
}
}
}Are you the author?
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MCP server for RunDida — the world's most comprehensive running tools platform.
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y '@rundida/mcp-server' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories — click any category to see the underlying evidence.
No known CVEs.
Checked @rundida/mcp-server against OSV.dev.
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MCP server for RunDida — running expertise for AI agents.
Ten tools that let Claude, Cursor or any MCP client compute paces, heart-rate zones, race predictions and marathon countdowns live, and query RunDida's full library: 99 running calculators, 56 training guides and 300+ marathon events (course, weather and registration data) — in English, Chinese and Japanese. Free, zero-config, no API key.
Add to your claude_desktop_config.json:
{
"mcpServers": {
"rundida": {
"command": "npx",
"args": ["-y", "@rundida/mcp-server"]
}
}
}
claude mcp add rundida -- npx -y @rundida/mcp-server
Add to your MCP configuration:
{
"rundida": {
"command": "npx",
"args": ["-y", "@rundida/mcp-server"]
}
}
| Tool | Type | Description |
|---|---|---|
list_tools | Data | Browse all 99 running calculators with descriptions |
get_tool | Data | Get details, FAQs, and sources for a specific tool |
list_guides | Data | Browse all 46 running guides with descriptions |
get_guide | Data | Get guide details, FAQs, and related tools |
list_marathons | Data | List 300+ marathon events with dates and locations |
get_marathon | Data | Get marathon details including weather and course profile |
calculate_pace | Compute | Calculate pace, time, or distance (provide any 2 of 3) |
predict_race | Compute | Predict race times using Riegel formula + VO2max estimation |
heart_rate_zones | Compute | Calculate 5 HR training zones (Karvonen method) |
marathon_countdown | Compute | Get countdown to a specific marathon event |
Data tools fetch from the RunDida API with 30-minute caching. Compute tools run locally with zero latency — no API calls needed.
Ask your AI assistant:
RunDida (跑滴答) is a free running tools platform for runners of all levels:
All tools are free, no account required. Try them at rundida.com.
The computation tools use established running science formulas:
| Formula | Used In | Description |
|---|---|---|
| Riegel formula | predict_race | Race time prediction across distances |
| Jack Daniels method | predict_race | VO2max estimation from race performance |
| Karvonen method | heart_rate_zones | Heart rate training zones from age and resting HR |