Nexus

Nexus is a fitness tracking plugin that logs meals, workouts, and body weight inside ChatGPT and Claude.

Nexus is a fitness logging tool that tracks calories, meals, workouts, and body weight directly inside ChatGPT and Claude. Users can type, speak, or send photos to record their fitness data. The system logs the information and displays the day on an interactive card that allows users to edit any number with a tap. It is designed for individuals who want to manage their fitness data within conversational AI interfaces. The service is free to use and supports text, voice, and photo inputs.

Nexus at a glance

Best for: Product manager
Pricing: Free
Released: October 2026
Category: AI agent tool
Website: nexus.kushalsm.com

Key features

Logs meals inside ChatGPT and Claude
Tracks workouts
Records body weight
Accepts typed input
Accepts voice input
Accepts photo input
Provides editable day cards

Use it for

Track daily calorie intake through chat interfaces
Log workouts and body weight alongside meals
Review and edit daily fitness summaries on interactive cards

Companions

Tools that articles about Nexus recommend using with it, each with its job.

ChatGPT — Built to work with ChatGPT.
Claude — Built to work with Claude.
Canva — Create and edit designs and slides inside the chat.
Zapier — The largest app catalog for no-code automations and agents
Firecrawl — Provides direct web data access for AI agents with open source flexibility.
ElevenLabs — Text-to-speech, voice cloning and sound from the chat.

Alternatives to Nexus

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Vibeconf App — Your AI agent joins video calls to talk, build, and share its screen live.
Agenta — Build and automate AI agents that run on your own infrastructure or the cloud.
NuPlay — Agents improve continuously through real production feedback and automated learning loops.
Dsh Aurabot Qq — Modular architecture allows custom extensions, prompt adjustments, and local service integrations.
Search2o — Builds model-neutral agents with strict spend limits and role-based access.
PACT — Provides secure agent communication with verifiable identity and user-granted consent.

All Nexus alternatives