{
  "name": "app.ironledger/strength-calculators",
  "title": "IronLedger strength calculators",
  "description": "Free strength-training calculators: one-rep max, RPE loads, barbell plates, warm-up sets, and DOTS, IPF GL and Wilks scores.",
  "version": "1.1.0",
  "websiteUrl": "https://www.ironledger.app/tools",
  "serverInfo": {
    "name": "ironledger-calculators",
    "title": "IronLedger strength calculators",
    "version": "1.1.0"
  },
  "protocolVersion": "2025-11-25",
  "transport": {
    "type": "streamable-http",
    "endpoint": "https://www.ironledger.app/mcp"
  },
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://www.ironledger.app/mcp",
      "supportedProtocolVersions": [
        "2025-11-25",
        "2025-06-18",
        "2025-03-26",
        "2024-11-05"
      ],
      "authentication": {
        "required": false
      }
    }
  ],
  "capabilities": {
    "tools": {
      "listChanged": false
    }
  },
  "authentication": {
    "required": false
  },
  "tools": [
    {
      "name": "one_rep_max",
      "title": "One-rep max calculator",
      "description": "Estimate a one-rep max (1RM) from a set of weight × reps, with a percentage table and the load each rep count should allow. Epley by default, Brzycki optional. Estimates above 10 reps are flagged as less reliable.",
      "inputSchema": {
        "type": "object",
        "properties": {
          "weight": {
            "type": "number",
            "description": "Weight lifted for the set.",
            "minimum": 0.5,
            "maximum": 2000
          },
          "reps": {
            "type": "integer",
            "description": "Reps completed, 1 to 30.",
            "minimum": 1,
            "maximum": 30
          },
          "unit": {
            "type": "string",
            "description": "Weight unit for every load in and out: kg or lb.",
            "enum": [
              "kg",
              "lb"
            ],
            "default": "kg"
          },
          "formula": {
            "type": "string",
            "description": "One-rep max formula: epley (weight × (1 + reps ÷ 30), the one the IronLedger app uses) or brzycki (weight × 36 ÷ (37 − reps)).",
            "enum": [
              "epley",
              "brzycki"
            ],
            "default": "epley"
          }
        },
        "required": [
          "weight",
          "reps"
        ],
        "additionalProperties": false
      }
    },
    {
      "name": "rpe_estimate_max",
      "title": "Estimate one-rep max from a set and its RPE",
      "description": "Estimate a one-rep max from weight, reps and RPE, treating RPE as reps in reserve (RPE 8 = 2 reps left) and applying the one-rep max formula to reps + reps in reserve.",
      "inputSchema": {
        "type": "object",
        "properties": {
          "weight": {
            "type": "number",
            "description": "Weight lifted for the set.",
            "minimum": 0.5,
            "maximum": 2000
          },
          "reps": {
            "type": "integer",
            "description": "Reps completed, 1 to 20.",
            "minimum": 1,
            "maximum": 20
          },
          "rpe": {
            "type": "number",
            "description": "Rating of perceived exertion, 5 to 10, read as reps in reserve (RPE 8 = 2 reps left). Half points allowed.",
            "minimum": 5,
            "maximum": 10
          },
          "unit": {
            "type": "string",
            "description": "Weight unit for every load in and out: kg or lb.",
            "enum": [
              "kg",
              "lb"
            ],
            "default": "kg"
          },
          "formula": {
            "type": "string",
            "description": "One-rep max formula: epley (weight × (1 + reps ÷ 30), the one the IronLedger app uses) or brzycki (weight × 36 ÷ (37 − reps)).",
            "enum": [
              "epley",
              "brzycki"
            ],
            "default": "epley"
          }
        },
        "required": [
          "weight",
          "reps",
          "rpe"
        ],
        "additionalProperties": false
      }
    },
    {
      "name": "rpe_target_load",
      "title": "Load for a target reps and RPE",
      "description": "Find the load for a set of a given number of reps at a target RPE, from a known or estimated one-rep max. Rounded to the nearest 0.5.",
      "inputSchema": {
        "type": "object",
        "properties": {
          "oneRepMax": {
            "type": "number",
            "description": "Your one-rep max (tested or estimated).",
            "minimum": 1,
            "maximum": 2000
          },
          "reps": {
            "type": "integer",
            "description": "Target reps, 1 to 20.",
            "minimum": 1,
            "maximum": 20
          },
          "rpe": {
            "type": "number",
            "description": "Rating of perceived exertion, 5 to 10, read as reps in reserve (RPE 8 = 2 reps left). Half points allowed.",
            "minimum": 5,
            "maximum": 10
          },
          "unit": {
            "type": "string",
            "description": "Weight unit for every load in and out: kg or lb.",
            "enum": [
              "kg",
              "lb"
            ],
            "default": "kg"
          },
          "formula": {
            "type": "string",
            "description": "One-rep max formula: epley (weight × (1 + reps ÷ 30), the one the IronLedger app uses) or brzycki (weight × 36 ÷ (37 − reps)).",
            "enum": [
              "epley",
              "brzycki"
            ],
            "default": "epley"
          }
        },
        "required": [
          "oneRepMax",
          "reps",
          "rpe"
        ],
        "additionalProperties": false
      }
    },
    {
      "name": "plate_loading",
      "title": "Barbell plate calculator",
      "description": "Work out which plates to put on each side of a barbell to reach a target weight, using standard gym plates or the plates you list. Reports the exact load and anything your plates can’t make.",
      "inputSchema": {
        "type": "object",
        "properties": {
          "target": {
            "type": "number",
            "description": "Total weight wanted on the bar, including the bar.",
            "minimum": 0,
            "maximum": 2000
          },
          "unit": {
            "type": "string",
            "description": "Weight unit for every load in and out: kg or lb.",
            "enum": [
              "kg",
              "lb"
            ],
            "default": "kg"
          },
          "bar": {
            "type": "number",
            "description": "Bar weight in the chosen unit. Defaults to 20 kg or 45 lb.",
            "minimum": 0,
            "maximum": 100
          },
          "collars": {
            "type": "boolean",
            "description": "Count a collar on each side.",
            "default": false
          },
          "collarWeight": {
            "type": "number",
            "description": "Weight of each collar. Defaults to 2.5 kg or 5 lb.",
            "minimum": 0,
            "maximum": 20
          },
          "plates": {
            "type": "string",
            "description": "Plates available, heaviest first or in any order: \"25,20,15,10,5,2.5,1.25\" for as many as needed, or \"25:4,20:2\" for pairs owned. Defaults to standard gym plates (kg: 25 to 1.25; lb: 45 to 2.5)."
          }
        },
        "required": [
          "target"
        ],
        "additionalProperties": false
      }
    },
    {
      "name": "warmup_sets",
      "title": "Warm-up set calculator",
      "description": "Build a warm-up ramp to a working weight: plate-friendly jumps, reps falling from 10 to singles, with the plates for each set. The same ramp the IronLedger app suggests.",
      "inputSchema": {
        "type": "object",
        "properties": {
          "workingWeight": {
            "type": "number",
            "description": "The first working set’s weight.",
            "minimum": 1,
            "maximum": 2000
          },
          "sets": {
            "type": "integer",
            "description": "Number of warm-up sets, 1 to 12.",
            "minimum": 1,
            "maximum": 12,
            "default": 4
          },
          "unit": {
            "type": "string",
            "description": "Weight unit for every load in and out: kg or lb.",
            "enum": [
              "kg",
              "lb"
            ],
            "default": "kg"
          },
          "bar": {
            "type": "number",
            "description": "Bar weight in the chosen unit. Defaults to 20 kg or 45 lb.",
            "minimum": 0,
            "maximum": 100
          }
        },
        "required": [
          "workingWeight"
        ],
        "additionalProperties": false
      }
    },
    {
      "name": "powerlifting_score",
      "title": "DOTS, IPF GL and Wilks calculator",
      "description": "Score a powerlifting total (or a bench press) against bodyweight with DOTS, IPF GL points and the original Wilks, using the coefficients the OpenPowerlifting rankings use.",
      "inputSchema": {
        "type": "object",
        "properties": {
          "total": {
            "type": "number",
            "description": "Total lifted (squat + bench + deadlift), or the bench press for event \"bench\".",
            "minimum": 1,
            "maximum": 2000
          },
          "bodyweight": {
            "type": "number",
            "description": "Bodyweight in the chosen unit.",
            "minimum": 20,
            "maximum": 400
          },
          "unit": {
            "type": "string",
            "description": "Weight unit for every load in and out: kg or lb.",
            "enum": [
              "kg",
              "lb"
            ],
            "default": "kg"
          },
          "sex": {
            "type": "string",
            "description": "The formulas have separate male and female coefficients.",
            "enum": [
              "male",
              "female"
            ]
          },
          "equipment": {
            "type": "string",
            "description": "For IPF GL: raw (classic) or equipped.",
            "enum": [
              "raw",
              "equipped"
            ],
            "default": "raw"
          },
          "event": {
            "type": "string",
            "description": "For IPF GL: sbd (full powerlifting total) or bench (bench press only).",
            "enum": [
              "sbd",
              "bench"
            ],
            "default": "sbd"
          }
        },
        "required": [
          "total",
          "bodyweight",
          "sex"
        ],
        "additionalProperties": false
      }
    },
    {
      "name": "check_program_file",
      "title": "IronLedger program file checker",
      "description": "Check a training program written as a CSV or TSV file exactly as the IronLedger app will import it, before anyone loads it on a phone. Returns the weeks, sessions and exercises it creates, every skipped row and warning with its row number, the exercise names the app will question (\"Did you mean ...?\"), and names that will become new custom exercises. Use it whenever you write a program for someone to import into IronLedger, and fix anything it reports first. The app names the program after the file, so pass the file name you will give it.",
      "inputSchema": {
        "type": "object",
        "properties": {
          "file": {
            "type": "string",
            "description": "The whole program file as text. Canonical header: Week,Day,Exercise,Sets,Reps,Load,RPE,RIR,Rest,Notes, then one row per exercise, such as 1,Day 1,Squat,5,5,100 kg,8,,3:00,belt. Wrap a cell that contains a comma in double quotes; never use a double quote inside a cell.",
            "maxLength": 200000
          },
          "fileName": {
            "type": "string",
            "description": "The file name it will be saved as, such as \"Texas Method.csv\". The app names the program after it; without one the program is called Imported Spreadsheet.",
            "maxLength": 120
          }
        },
        "required": [
          "file"
        ],
        "additionalProperties": false
      }
    }
  ]
}