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Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionEmperorClawThe self-hosted operations platform for companies run with AI agents.Hevy MCPManage your Hevy workout data from AI assistants via MCP.
FMRS45 / 100 · D77 / 100 · B
Reliability6 / 2012 / 20
Security and permissions7 / 2016 / 20
Maintenance8 / 2016 / 20
Documentation12 / 2018 / 20
Setup experience12 / 2015 / 20
Best for
  • Digital agencies operating AI agents and needing durable operational state
  • Accounting and bookkeeping firms requiring client-isolated knowledge and audit history
  • Consultancies needing structured artifact storage and approvals
  • Ecommerce companies running AI back-office operations
  • Software companies needing multi-agent workflow coordination
  • Hevy PRO users who want AI assistants to directly access their workout data
  • People who prefer using MCP clients like Claude, Cursor, Codex for fitness tracking
  • Anyone needing summaries and insights from their training data
Not for
  • People looking for a chatbot or prompt wrapper
  • Users needing fully serverless deployment without persistent WebSocket connections
  • Teams seeking an open-source (non-Fair Source) license
  • Users looking for a lightweight task management tool rather than an operations platform
  • Users without a Hevy PRO subscription (API key required)
  • Users who want to use the server without an API key
  • Those needing delete workflows (Hevy API does not expose delete endpoints)
Required permissions
  • Requires access to a PostgreSQL database for state storage
  • Requires ability to maintain persistent WebSocket connections
  • May require local filesystem or external storage backend (e.g., Bunny CDN) for artifacts
  • Requires secrets in environment variables (e.g., NEXTAUTH_SECRET, EMPEROR_CLAW_MASTER_KEY)
  • Requires HEVY_API_KEY environment variable for Hevy API authentication
  • Can create, update, and replace workouts, routines, folders, templates, and body measurements via tools
  • Read operations can fetch workouts, routines, folders, templates, history, and user info
Risks and side effects
  • Self-hosting: risk of data loss if not properly configured; regular backups needed
  • Not open source (Fair Source) — restriction on offering it as a competing commercial product/service
  • Requires Node.js 20+ and PostgreSQL 16 as prerequisites
  • Not compatible with serverless platforms; requires a long-running process like a VPS or dedicated server
  • API key can be misused if leaked; do not expose in URLs, logs, or screenshots
  • Create operations may produce duplicates on retry; update operations replace existing records
  • The server sends data to the Hevy API and may send telemetry to external services unless disabled
Supported clientsClaude Desktop, Cursor, Codex, Antigravity
Tools026