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Trainer Connect
br.com.trainerconnect/personal-trainer in the official MCP registry.
Endpoint https://api.trainerconnect.com.br/mcp.
The registry describes it as: Manage students, workouts, appointments and payments through your personal trainer account.
We read its 200 tools on 2026-10-26. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
list_students get_student get_schedule list_payments create_student search_exercises create_workout schedule_class list_operations describe_operation api_read api_write find_trainers get_trainer get_student_summary get_students_activity list_recent_sessions list_student_sessions list_live_sessions list_student_goals get_student_health list_student_supplements list_student_classes list_join_requests get_invite_link update_student list_assessments get_assessment get_latest_assessments list_anamnesis_forms get_anamnesis_overview list_anamnesis_answers send_anamnesis list_checkin_templates get_checkins_overview list_checkin_answers send_checkin list_workouts get_workout list_programs list_workout_suggestions approve_workout_suggestion reject_workout_suggestion list_diet_plans get_diet_plan get_diet_adherence get_free_slots reschedule_class confirm_class cancel_class list_class_change_requests accept_class_change reject_class_change list_leads get_lead read_lead_chat reply_to_lead update_lead list_conversations read_chat and 140 more
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[](https://lazaretto.dev/mcp-registry/br-com-trainerconnect-personal-trainer)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.