hevy-mcp

Hevy MCP by chrisdoc

A Model Context Protocol (MCP) server implementation that interfaces with the Hevy fitness tracking app and its API.

Live Registry Versionv6.2.1Previous: v6.2.0Published 2026-10-16

Stability Grade

B (78/100)

90-Day Velocity

38 releases

High release cadence

Dependencies

14 direct

NPM manifest

License

MIT

Verified on NPM

Recommended Exact Pin: npx -y hevy-mcp@6.2.1

NPM Registry ->GitHub Repo ->

TL;DR Verdict & Quick Citation Summary (2026-10-24)Source: AgentBreakWatch Live NPM Index

Hevy MCP (hevy-mcp) is currently at v6.2.1 on NPM (published 2026-10-16), with a 90-day stability score of 78/100 (B) and MEDIUM schema drift risk across 38 releases in the past 90 days. recent release v6.2.1 (up from v6.2.0) updates Developer Tools MCP tool schemas and transport handling (38 releases in last 90d). Pin exact version v6.2.1 in .mcp.json to avoid silent parameter drift. Production teams should pin npx -y hevy-mcp@6.2.1 rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

recent release v6.2.1 (up from v6.2.0) updates Developer Tools MCP tool schemas and transport handling (38 releases in last 90d). Pin exact version v6.2.1 in .mcp.json to avoid silent parameter drift.

Watched Exports / MCP Tool Signatures:

hevy-mcptools/listtools/call

Before (Deprecated / Unpinned Pattern)

"hevy-mcp": {
  "command": "npx",
  "args": ["-y", "hevy-mcp@latest"]
}

After (Verified v6.2.1 Pattern)

"hevy-mcp": {
  "command": "npx",
  "args": ["-y", "hevy-mcp@6.2.1"]
}

Frequently Asked Questions: hevy-mcp

What is the latest version of hevy-mcp on NPM?

As of 2026-10-24, the latest stable version of hevy-mcp (Hevy MCP by chrisdoc) on NPM is v6.2.1, published on 2026-10-16. It has shipped 38 releases in the last 90 days.

Does hevy-mcp v6.2.1 have breaking changes or MCP schema drift risk?

hevy-mcp currently carries a MEDIUM schema drift risk rating with a Stability Score of 78/100 (Grade B). recent release v6.2.1 (up from v6.2.0) updates Developer Tools MCP tool schemas and transport handling (38 releases in last 90d). Pin exact version v6.2.1 in .mcp.json to avoid silent parameter drift.

How do I safely pin hevy-mcp in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `npx -y hevy-mcp@6.2.1` and monitor hevy-mcp, tools/list, tools/call for parameter or schema changes.

30-Min Registry & Schema Poller