Critical Swim Speed (CSS) is the estimated physiological threshold where a swimmer can maintain a steady pace without rapid fatigue. Tools available: `your_tool_name`.

How do I use `derive_css_from_base`?

Provide your time in seconds and the distance (100m or 400m) to calculate your standardized CSS pace per 100m.

Can I predict my race times?

Yes, use `estimate_race_durations` with your calculated CSS pace to see projected times for 200m, 400m, 800m, and 1500m.

Swimming Pace Calculator MCP Connector for Claude

Calculate swimming training intensities, race predictions, and efficiency metrics based on Critical Swim Speed (CSS).

0 tools Official Updated Jun 28, 2026 Official Vinkius Partner

More Details Connect to Claude

An analytical tool to derive swimming training intensities, race predictions, and efficiency metrics based on Critical Swim Speed (CSS). Use derive_css_from_base to convert performance times into CSS pace, calculate_training_zones for target paces, estimate_race_durations for race projections, and calculate_swolf_efficiency for SWOLF scores.

Available Tools

your_tool_name

swimmingcsstrainingpacefitnessperformance

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_3r85Wm7d1N5xM3ozxgjJoau49eHAbjd1osvsj2C8/mcp

② Claude Code (terminal)

claude mcp add --transport http swimming-pace-calculator https://edge.vinkius.com/vk_preview_3r85Wm7d1N5xM3ozxgjJoau49eHAbjd1osvsj2C8/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "swimming-pace-calculator": {
      "url": "https://edge.vinkius.com/vk_preview_3r85Wm7d1N5xM3ozxgjJoau49eHAbjd1osvsj2C8/mcp"
    }
  }
}

Get full access on Vinkius

The preview token above works for testing. Powered by Vinkius.

Details

Tools: 0
Grade: B
Score: 85/100
Updated: Jun 28, 2026

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