| FMRS | 52 / 100 · D | 77 / 100 · B | 75 / 100 · B |
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| Reliability | 8 / 20 | 12 / 20 | 13 / 20 |
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| Security and permissions | 8 / 20 | 16 / 20 | 12 / 20 |
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| Maintenance | 11 / 20 | 16 / 20 | 16 / 20 |
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| Documentation | 14 / 20 | 18 / 20 | 17 / 20 |
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| Setup experience | 11 / 20 | 15 / 20 | 17 / 20 |
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| Best for | - Technical artists and 3D professionals on Windows with 3ds Max 2023–2027 who want to automate Max from an MCP client using natural language
- Teams that need to hook 3ds Max scene operations into AI agent workflows (Claude Desktop, Codex, Cursor)
- Advanced users who want to extend their own tools via introspection and MCG/MAXScript
| - 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 | - Users on operating systems other than Windows, or on 3ds Max 2022 and earlier
- Users who do not want an AI client to modify or delete scene content
- Users who only need to inspect 3ds Max files statically without automation
| - 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 | - Control the 3ds Max scene: create, modify and delete objects and materials
- Read and write scene files and .mat material library files (save, hold, merge, scan .max files)
- Execute MAXScript and Python code inside Max (execute_python requires safe mode off)
- Capture viewport, screen and render images
- Read and write external asset and texture files through installed importers/exporters
- Access the network to search for and download Cosmos assets
| - 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 | - execute_maxscript and execute_python can run arbitrary code inside Max; execute_python requires safe mode to be turned off, which raises the risk considerably
- Scripted and batch operations can modify or delete scene objects, materials and files, and mistakes may be hard to reverse (some operations have undo and preflight protection)
- Writing .mat files, saving scenes or exporting assets changes files on the local machine
- Integrations such as tyFlow, RailClone and Forest Pack are at different maturity levels (Forest Pack is explicitly marked as work in progress) and may be incomplete or change between releases
- Depends on a native bridge with support limited to 3ds Max 2023–2027
| - 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, Codex, Cursor | Claude Desktop, Cursor, Codex, Google Antigravity | Claude Desktop, VS Code, Cursor, Windsurf, Zed, Amp |
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| Tools | 100 | 26 | 11 |
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