| FMRS | 43 / 100 · D | 77 / 100 · B |
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| Reliability | 6 / 20 | 12 / 20 |
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| Security and permissions | 10 / 20 | 16 / 20 |
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| Maintenance | 8 / 20 | 16 / 20 |
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| Documentation | 7 / 20 | 18 / 20 |
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| Setup experience | 12 / 20 | 15 / 20 |
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| Best for | - Developers and teams using Hermes Agent who want to discover community tools and integrations.
- Users who want to access live catalog information through MCP clients like Claude Desktop, Cursor, etc.
- Users who need up-to-date ecosystem data, as data is fetched live and cached briefly.
| - 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
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| Not for | - Users needing offline catalog access independent of the internet (data is fetched live from hermesatlas.com).
- Users who want long-term caching or to avoid external API dependencies (optional Redis provides longer caching, but default is in-memory only).
- Users needing official oversight or support, as this server is maintained by a contributor, not the official Hermes project.
| - 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)
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| Required permissions | - Network access: fetch live catalog data and API requests from hermesatlas.com.
- File system access: for the installer, read and write client config files (e.g., claude_desktop_config.json).
- Optional: access to Redis if REDIS_URL is set.
| - 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
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| Risks and side effects | - Data is sourced from a third-party API (hermesatlas.com), which could affect reliability if the site or API changes.
- The installer modifies client config files, which could break existing MCP setups if done incorrectly; use --print for a dry run.
- Since the server is experimental (0.x), breaking changes may occur.
| - 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
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| Supported clients | Claude Desktop, Cursor, Continue, Windsurf | Claude Desktop, Cursor, Codex, Antigravity |
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| Tools | 6 | 26 |
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