IronLedger Strength Calculators MCP

This official MCP server provides read-only access to IronLedger's strength training calculators, including one-rep max, RPE estimation, plate loading, warm-up sets, and powerlifting scoring. It allows AI agents to perform calculations using the same logic as the IronLedger app without requiring an account or API key.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-18Operated by IronLedger

MCP endpoint (Streamable HTTP)

https://www.ironledger.app/mcp

Vendor documentation

What you can do with it

Calculate estimated one-rep max from a set of reps and weight
Determine required plate loading for a specific barbell weight
Estimate load for a target RPE and rep count
Check CSV training program files for import compatibility

Tools advertised by the last live check:

one_rep_max
rpe_estimate_max
rpe_target_load
plate_loading
warmup_sets
powerlifting_score
check_program_file

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http ironledger-strength-calculators-mcp https://www.ironledger.app/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add ironledger-strength-calculators-mcp --url https://www.ironledger.app/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable ironledger-strength-calculators-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "ironledger-strength-calculators-mcp": {
      "url": "https://www.ironledger.app/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "ironledger-strength-calculators-mcp": {
      "type": "streamableHttp",
      "url": "https://www.ironledger.app/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start ironledger-strength-calculators-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "ironledger-strength-calculators-mcp": {
      "type": "http",
      "url": "https://www.ironledger.app/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http ironledger-strength-calculators-mcp https://www.ironledger.app/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "ironledger-strength-calculators-mcp": {
      "url": "https://www.ironledger.app/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "ironledger-strength-calculators-mcp": {
      "serverUrl": "https://www.ironledger.app/mcp"
    }
  }
}

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