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

DimensionNextCRM MCP ServerOpen-source CRM MCP server with 127 tools across 15 modules for AI agent access.Hevy MCPManage your Hevy workout data from AI assistants via MCP.
FMRS35 / 100 · D77 / 100 · B
Reliability8 / 2012 / 20
Security and permissions8 / 2016 / 20
Maintenance7 / 2016 / 20
Documentation6 / 2018 / 20
Setup experience6 / 2015 / 20
Best for
  • Developers and teams using NextCRM who want AI agents to access their CRM data directly
  • Users who want to combine their CRM operations with AI tools like Claude Code or Cursor
  • Organizations seeking to automate CRM data enrichment and campaign management
  • 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
  • Users not using NextCRM as their underlying CRM system
  • Teams without the technical capacity to deploy and maintain a NextCRM instance
  • Users requiring a fully production-grade MCP server backed by a dedicated vendor
  • 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
  • The MCP server uses Bearer token authentication; you need to generate a token of the form nxtc__...
  • Tokens are generated from the profile page and stored SHA-256 hashed; the raw value is shown only once
  • AI agents can perform read and write operations, including creating, updating, and deleting CRM records
  • 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
  • API keys (e.g., OpenAI, Anthropic) could be misused if not managed carefully; a 3-tier priority system with encrypted storage is recommended
  • Granting AI agents write access via the MCP server could lead to unintended data modifications; use with caution
  • Bearer tokens, if leaked, pose a security risk; store them securely.
  • Dependency on third-party services (E2B, Resend, Inngest) that may become unavailable or incur costs
  • 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, CursorClaude Desktop, Cursor, Codex, Antigravity
Tools8026