| FMRS | 45 / 100 · D | 77 / 100 · B | 75 / 100 · B |
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| Reliability | 6 / 20 | 12 / 20 | 13 / 20 |
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| Security and permissions | 7 / 20 | 16 / 20 | 12 / 20 |
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| Maintenance | 8 / 20 | 16 / 20 | 16 / 20 |
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| Documentation | 12 / 20 | 18 / 20 | 17 / 20 |
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| Setup experience | 12 / 20 | 15 / 20 | 17 / 20 |
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| 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
| - Scenarios needing clean, structured web context fed to an AI assistant
- Users already on the Firecrawl platform who want to call its scraping capability directly via MCP
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| 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)
| - Simple static-page scraping where you don't want to depend on a third-party API and incur call costs
- Sites that explicitly disallow automated access (robots.txt)
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| 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
| - Requires a Firecrawl API key to call; cost and quota are governed by the Firecrawl account
- firecrawl_agent/firecrawl_interact perform automated browser interaction, which may trigger login or form-submission flows on the target site
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| 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
| - Bulk crawl/map tools can generate significant request volume against a target site — respect the site's rate limits and terms of service
- firecrawl_agent's interactive action chain is longer — define task boundaries clearly before running it to avoid accidentally triggering actions on a sensitive site
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| Supported clients | | Claude Desktop, Cursor, Codex, Google Antigravity | Claude Desktop, VS Code, Cursor, Windsurf, Zed, Amp |
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| Tools | 0 | 26 | 11 |
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