Read
Your plans, logged sets, and progress
Claude can look at your workouts, completed sessions, per-exercise history, and the exercise library with demo videos.
Claude connection guide
Give Claude a place to save your workouts.
Connect Claude to Simple Muscle and it can write workouts straight into your account, read the sets you log on iPhone, and adjust the plan from there.
Works with Claude custom connectors
Available on Free, Pro, Max, Team, and Enterprise plans. Free accounts can add one custom connector. Your workspace may need an administrator to add Simple Muscle first.
Example conversation
Upper body workout for Wednesday, 45 minutes, commercial gym. Save it to Simple Muscle.
Claude
Saved Upper Strength for Wednesday: bench press, pulldown, seated overhead press, and cable wood chopper. Three sets each, starting light. Tell me how it feels and I’ll adjust.
Upper Strength saved · 4 exercises · 32 min
Setup
Connect Claude in 4 steps.
Add Simple Muscle, sign in, and ask for your first workout.
Connection link
https://api.simplemuscle.ai/mcp- 1
Open Claude Connectors
In Claude or Claude Desktop, open Customize → Connectors. On a team account, ask your workspace administrator to add Simple Muscle first if it is not listed. - 2
Add a custom connector
Select + Add → Add custom connector, name it Simple Muscle, and paste the connection link shown above. Choose Continue and follow the prompts. - 3
Connect your account
Finish adding Simple Muscle, then choose Connect if prompted. Sign in to your Simple Muscle account, or create one, and approve the connection. - 4
Turn it on for a conversation
In a Claude chat, open the + menu, choose Connectors, and enable Simple Muscle. Ask Claude to show your workouts to confirm it can reach your account.
Instructions last verified October 27, 2026. Provider menus can change.
Your training, in the conversation
Plan, review, and adjust.
Claude can use your saved plans and logged workouts to help with your next session. Completed workouts stay unchanged.
- You sign in to Simple Muscle the normal way. Claude never sees or stores your password.
- Disable the connector for a conversation, or remove it in Claude’s connector settings, to stop further access.
Change
The workouts you plan to do
It can save a multi-day plan, schedule training days, revise sets and reps, reorder exercises, add notes, and archive or delete workouts.
Protected
What you already completed
Finished sessions stay read-only. Claude can use them for analysis and progression, but it cannot edit or delete them.
First conversation
Try these after connecting.
“Build a four-day upper/lower plan around the equipment in the Simple Muscle library. Save all four workouts with exact sets and reps.”
“Use my last six weeks of completed sessions to summarize consistency, weekly volume, and exercises where my performance has stalled.”
“Review my recent squat sessions and adjust the next workout conservatively. Explain the evidence you used before saving the change.”
Questions
Before you connect
Which Claude plans support custom connectors?
Custom connectors are available on Free, Pro, Max, Team, and Enterprise plans. Free accounts can add one custom connector. Team and Enterprise workspaces may need an administrator to add Simple Muscle first.
Does the connector work in Claude on mobile?
Set up the connection on Claude web or desktop. Remote connectors belong to your Claude account and can also be used from mobile.
Why can’t I add the connector in a Team or Enterprise workspace?
On Team, an Owner or Primary Owner adds custom connectors. Enterprise also supports roles with permission to manage Libraries. Once added, members can open Customize → Connectors, choose Connect, and sign in to their own Simple Muscle account.
Where do I see the plan Claude saved?
In your account on simplemuscle.ai, and in the iPhone app once you sign in there with the same account. iPhone sync is free for 7 days, then $5 a month or $50 a year.
Can Claude change workouts I already completed?
No. Completed sessions are read-only. Claude can analyze them and use them to suggest or save changes to workouts you plan to do, but it cannot edit the record.
For provider availability and setup details, see Anthropic’s current connector documentation.
Give Claude a place to save the plan.
A free Simple Muscle account is all Claude needs. To train with the plan on iPhone, sign in to the app with the same account. iPhone sync is free for 7 days, then $5 a month or $50 a year.