# Openapi MCP Generator (openapi-mcp-generator) - AgentBreakWatch Reference

> TL;DR Verdict: Openapi MCP Generator (`openapi-mcp-generator`) is currently at v5.0.0 on NPM (published 2026-10-24), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk across 3 releases in the last 90 days. recent release v5.0.0 (up from v4.2.0) updates MCP Bridge & Transport tool schemas and transport handling (3 releases in last 90d). Pin exact version v5.0.0 in .mcp.json to avoid silent parameter drift.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/openapi-mcp-generator
- Category Hub: https://agentbreakwatch.vercel.app/c/mcp-bridges-devtools (MCP Bridges, Transports, Inspectors & Developer Tools)
- Package Name: `openapi-mcp-generator`
- Registry: NPM (https://www.npmjs.com/package/openapi-mcp-generator)
- GitHub Repository: https://github.com/harsha-iiiv/openapi-mcp-generator
- Vendor: harsha-iiiv
- Latest Live Version: v5.0.0
- Published Date: 2026-10-24T07:41:59.690Z
- 90-Day Release Count: 3
- Direct Dependencies: 3
- License: MIT
- Stability Score: 86/100 (Grade B+)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `npx -y openapi-mcp-generator@5.0.0`
- Watched Symbols / MCP Tools: openapi-mcp-generator, tools/list, tools/call
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
recent release v5.0.0 (up from v4.2.0) updates MCP Bridge & Transport tool schemas and transport handling (3 releases in last 90d). Pin exact version v5.0.0 in .mcp.json to avoid silent parameter drift.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
"openapi-mcp-generator": {
  "command": "npx",
  "args": ["-y", "openapi-mcp-generator@latest"]
}
```

## Migration Diff: After (Verified v5.0.0 Pattern)
```
"openapi-mcp-generator": {
  "command": "npx",
  "args": ["-y", "openapi-mcp-generator@5.0.0"]
}
```

## Recent Verified Releases
- v5.0.0 (published 2026-10-24) [LATEST]
- v4.2.0 (published 2026-10-24)
- v4.1.0 (published 2026-09-24)
- v4.0.1 (published 2026-06-14)
- v4.0.0 (published 2026-06-14)
- v3.3.0 (published 2026-03-04)