mcp-from-openapi

MCP From Openapi by agentfront

Production-ready library for converting OpenAPI specifications into MCP tool definitions

Live Registry Versionv2.9.1Previous: v2.9.0Published 2026-10-20

Stability Grade

B+ (86/100)

90-Day Velocity

6 releases

Moderate cadence

Dependencies

3 direct

NPM manifest

License

Apache-2.0

Verified on NPM

Recommended Exact Pin: npx -y mcp-from-openapi@2.9.1

NPM Registry ->GitHub Repo ->

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

MCP From Openapi (mcp-from-openapi) is currently at v2.9.1 on NPM (published 2026-10-20), with a 90-day stability score of 86/100 (B+) and MEDIUM schema drift risk across 6 releases in the past 90 days. recent release v2.9.1 (up from v2.9.0) updates MCP Bridge & Transport tool schemas and transport handling (6 releases in last 90d). Pin exact version v2.9.1 in .mcp.json to avoid silent parameter drift. Production teams should pin npx -y mcp-from-openapi@2.9.1 rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

recent release v2.9.1 (up from v2.9.0) updates MCP Bridge & Transport tool schemas and transport handling (6 releases in last 90d). Pin exact version v2.9.1 in .mcp.json to avoid silent parameter drift.

Watched Exports / MCP Tool Signatures:

tools/listtools/callmcp-from-openapi

Before (Deprecated / Unpinned Pattern)

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

After (Verified v2.9.1 Pattern)

"mcp-from-openapi": {
  "command": "npx",
  "args": ["-y", "mcp-from-openapi@2.9.1"]
}

Frequently Asked Questions: mcp-from-openapi

What is the latest version of mcp-from-openapi on NPM?

As of 2026-10-24, the latest stable version of mcp-from-openapi (MCP From Openapi by agentfront) on NPM is v2.9.1, published on 2026-10-20. It has shipped 6 releases in the last 90 days.

Does mcp-from-openapi v2.9.1 have breaking changes or MCP schema drift risk?

mcp-from-openapi currently carries a MEDIUM schema drift risk rating with a Stability Score of 86/100 (Grade B+). recent release v2.9.1 (up from v2.9.0) updates MCP Bridge & Transport tool schemas and transport handling (6 releases in last 90d). Pin exact version v2.9.1 in .mcp.json to avoid silent parameter drift.

How do I safely pin mcp-from-openapi in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `npx -y mcp-from-openapi@2.9.1` and monitor tools/list, tools/call, mcp-from-openapi for parameter or schema changes.

30-Min Registry & Schema Poller

Get Instant Breaking-Change Alerts for mcp-from-openapi

We poll NPM and agentfront/mcp-from-openapi every 30 minutes. Get an email with the exact diff when mcp-from-openapi ships a breaking release beyond v2.9.1.