MONS Athletics
Find your next endurance challenge and train for it with your MONS coach.
Should I use this
Quality & Safety
Findings (1)
- LOWTool 'today' description lacks action verbin today
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"mons": {
"url": "https://monsathletics.com/mcp"
}
}
}Remote endpoints
https://monsathletics.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (14)
🟢about_mons
What MONS Athletics is, its training method, who it is for, what it needs (iPhone and Apple Watch), and links to get started.
Input Schema
{
"type": "object",
"properties": {}
}🟢find_next_challenge(sport, furthest_km, challenge_id)
Takes the furthest a person has run, ridden or swum and gives the first question about their training, plus every challenge in that sport. check_readiness picks the challenge once the questions are answered.
Input Schema
{
"type": "object",
"properties": {
"sport": {
"type": "string",
"enum": [
"running",
"cycling",
"swimming"
],
"description": "The sport of the challenge: running, cycling or swimming."
},
"furthest_km": {
"type": "number",
"minimum": 0,
"maximum": 10000,
"description": "The furthest distance the person has ever done in one go in that sport, in kilometres. 0 if never."
},
"challenge_id": {
"description": "Optional: a challenge id from the challenges find_next_challenge lists, when the person names a goal of their own. Omit to let their training answers pick one.",
"type": "string",
"maxLength": 64
}
},
"required": [
"sport",
"furthest_km"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢check_readiness(sport, furthest_km, challenge_id, answers, today)
Picks the challenge to aim for from the person's training, how many weeks they are from it, and the one thing that sets the date. Returns the next question while one is unanswered, then the challenge and verdict. Send every answer so far each time.
Input Schema
{
"type": "object",
"properties": {
"sport": {
"type": "string",
"enum": [
"running",
"cycling",
"swimming"
],
"description": "The sport of the challenge: running, cycling or swimming."
},
"furthest_km": {
"type": "number",
"minimum": 0,
"maximum": 10000,
"description": "The furthest distance the person has ever done in one go in that sport, in kilometres. 0 if never."
},
"challenge_id": {
"description": "Optional: a challenge id from the challenges find_next_challenge lists, when the person names a goal of their own. Omit to let their training answers pick one.",
"type": "string",
"maxLength": 64
},
"answers": {
"description": "Answers so far, keyed by question id, each the value of the option the person chose. Omit before the first answer.",
"type": "object",
"propertyNames": {
"type": "string",
"enum": [
"longest",
"long_count",
"long_recent",
"weekly",
"per_week"
]
},
"additionalProperties": {
"type": "number"
}
},
"today": {
"description": "The person's local date as YYYY-MM-DD, the day before if it is earlier than 05:00 where they are. Omit if unknown.",
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
}
},
"required": [
"sport",
"furthest_km"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟡sign_up(mix, kettlebells, date_of_birth, challenge_id, answers, ...)
Sets up the signed-in person's MONS account, as the app's onboarding would. Pass the challenge and answers from check_readiness when there are some. Does nothing to an account already set up.
Input Schema
{
"type": "object",
"properties": {
"mix": {
"type": "string",
"enum": [
"runner",
"swimmer",
"rider",
"rider_runner",
"swimrunner",
"rider_swimmer",
"triathlete"
],
"description": "How they want to build endurance: runner, swimmer, rider, rider_runner, swimrunner, rider_swimmer or triathlete."
},
"kettlebells": {
"type": "object",
"properties": {
"moderate": {
"type": "integer",
"minimum": 0,
"maximum": 2
},
"heavy": {
"type": "integer",
"minimum": 0,
"maximum": 2
},
"extra_heavy": {
"type": "integer",
"minimum": 0,
"maximum": 2
}
},
"required": [
"moderate",
"heavy",
"extra_heavy"
],
"description": "How many kettlebells they own in each weight class, 0 to 2 each. Moderate: get-ups and overhead work. Heavy: swings, squats and presses. Extra heavy: heavy carries. All 0 trains with bodyweight."
},
"date_of_birth": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "YYYY-MM-DD. MONS is for ages 16 to 80."
},
"challenge_id": {
"description": "Optional: a challenge id from the challenges find_next_challenge lists, when the person names a goal of their own. Omit to let their training answers pick one.",
"type": "string",
"maxLength": 64
},
"answers": {
"description": "The check_readiness answers for challenge_id, if any.",
"type": "object",
"propertyNames": {
"type": "string"
},
"additionalProperties": {
"type": "number"
}
},
"today": {
"description": "The person's local date as YYYY-MM-DD, the day before if it is earlier than 05:00 where they are. Omit if unknown.",
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
}
},
"required": [
"mix",
"kettlebells",
"date_of_birth"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢my_profile
Whether the account is set up and subscribed, the endurance mix, kettlebells, date of birth and max heart rate.
Input Schema
{
"type": "object",
"properties": {}
}🔴update_profile(mix, kettlebells)
Changes how they build endurance (mix) or which kettlebells they have. Send only what changes.
Input Schema
{
"type": "object",
"properties": {
"mix": {
"type": "string",
"enum": [
"runner",
"swimmer",
"rider",
"rider_runner",
"swimrunner",
"rider_swimmer",
"triathlete"
],
"description": "How they want to build endurance: runner, swimmer, rider, rider_runner, swimrunner, rider_swimmer or triathlete."
},
"kettlebells": {
"type": "object",
"properties": {
"moderate": {
"type": "integer",
"minimum": 0,
"maximum": 2
},
"heavy": {
"type": "integer",
"minimum": 0,
"maximum": 2
},
"extra_heavy": {
"type": "integer",
"minimum": 0,
"maximum": 2
}
},
"required": [
"moderate",
"heavy",
"extra_heavy"
],
"description": "How many kettlebells they own in each weight class, 0 to 2 each. Moderate: get-ups and overhead work. Heavy: swings, squats and presses. Extra heavy: heavy carries. All 0 trains with bodyweight."
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢today(today)
Today's sessions as the coach designed them, or that today is not designed yet.
Input Schema
{
"type": "object",
"properties": {
"today": {
"description": "The person's local date as YYYY-MM-DD, the day before if it is earlier than 05:00 where they are. Omit if unknown.",
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🔴morning_check_in(minutes, cannot_do, today)
The morning check-in: tells the coach how many minutes they have today and what they cannot do, and the coach designs today's sessions. Returns them. Takes up to a minute.
Input Schema
{
"type": "object",
"properties": {
"minutes": {
"type": "integer",
"minimum": 30,
"maximum": 600,
"description": "Minutes they have for training today."
},
"cannot_do": {
"description": "What they cannot do today, e.g. swimming when there is no pool. Omit if everything is possible.",
"type": "array",
"items": {
"type": "string",
"enum": [
"running",
"swimming",
"cycling",
"strength",
"yoga"
]
}
},
"today": {
"description": "The person's local date as YYYY-MM-DD, the day before if it is earlier than 05:00 where they are. Omit if unknown.",
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
}
},
"required": [
"minutes"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢schedule(today)
The coming days: what each day is set to (rest, long run, a sport), the weekly rules, and the sessions so far.
Input Schema
{
"type": "object",
"properties": {
"today": {
"description": "The person's local date as YYYY-MM-DD, the day before if it is earlier than 05:00 where they are. Omit if unknown.",
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🔴edit_schedule(days, weekly, today)
Sets what a coming day is for (days), or what a weekday is for every week (weekly). focus none on a day hands it back to the coach for that date only; focus null clears it. Only one weekday can be the long run.
Input Schema
{
"type": "object",
"properties": {
"days": {
"maxItems": 31,
"type": "array",
"items": {
"type": "object",
"properties": {
"date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
},
"focus": {
"anyOf": [
{
"type": "string",
"enum": [
"rest",
"long_run",
"long_swim",
"running",
"swimming",
"cycling",
"strength",
"mobility",
"none"
]
},
{
"type": "null"
}
]
}
},
"required": [
"date",
"focus"
]
}
},
"weekly": {
"maxItems": 7,
"type": "array",
"items": {
"type": "object",
"properties": {
"weekday": {
"type": "string",
"enum": [
"monday",
"tuesday",
"wednesday",
"thursday",
"friday",
"saturday",
"sunday"
]
},
"focus": {
"anyOf": [
{
"type": "string",
"enum": [
"rest",
"long_run",
"running",
"swimming",
"cycling",
"strength",
"mobility"
]
},
{
"type": "null"
}
]
}
},
"required": [
"weekday",
"focus"
]
}
},
"today": {
"description": "The person's local date as YYYY-MM-DD, the day before if it is earlier than 05:00 where they are. Omit if unknown.",
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢ladder(today)
The challenge ladder in order (collected, next, ready, readiness) and the challenges on the calendar, each with the id remove_challenge takes.
Input Schema
{
"type": "object",
"properties": {
"today": {
"description": "The person's local date as YYYY-MM-DD, the day before if it is earlier than 05:00 where they are. Omit if unknown.",
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟡add_challenge(challenge_id, date)
Puts a challenge on a date after today. challenge_id is a challenge id, as find_next_challenge and ladder give them.
Input Schema
{
"type": "object",
"properties": {
"challenge_id": {
"type": "string",
"maxLength": 64
},
"date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "YYYY-MM-DD, after today."
}
},
"required": [
"challenge_id",
"date"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🔴remove_challenge(id)
Removes a challenge that has not happened yet, by its id from ladder on_the_calendar.
Input Schema
{
"type": "object",
"properties": {
"id": {
"type": "string",
"maxLength": 64
}
},
"required": [
"id"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🔴ask_coach(message, today)
Sends a message to their MONS coach, in the same thread as the app, and returns the coach's reply. Use for any training question: soreness, a missed session, how a session should feel. The coach may adjust their workouts.
Input Schema
{
"type": "object",
"properties": {
"message": {
"type": "string",
"minLength": 1,
"maxLength": 2000
},
"today": {
"description": "The person's local date as YYYY-MM-DD, the day before if it is earlier than 05:00 where they are. Omit if unknown.",
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$"
}
},
"required": [
"message"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}Community
Evidence