@react-aria/mcp

React-aria MCP by React Aria

MCP server for React Aria documentation

Live Registry Versionv1.2.1Previous: v3.0.0-nightly-99e610236-261006Published 2026-09-01

Stability Grade

B (78/100)

90-Day Velocity

29 releases

High release cadence

Dependencies

3 direct

NPM manifest

License

Apache-2.0

Verified on NPM

Recommended Exact Pin: npx -y @react-aria/mcp@1.2.1

NPM Registry ->GitHub Repo ->

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

React-aria MCP (@react-aria/mcp) is currently at v1.2.1 on NPM (published 2026-09-01), with a 90-day stability score of 78/100 (B) and MEDIUM schema drift risk across 29 releases in the past 90 days. Built on MCP SDK (^1.17.3); recent release v1.2.1 (up from v3.0.0-nightly-99e610236-261006) updates Developer Tools MCP tool schemas and transport handling (29 releases in last 90d). Pin exact version v1.2.1 in .mcp.json to avoid silent parameter drift. Production teams should pin npx -y @react-aria/mcp@1.2.1 rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

Built on MCP SDK (^1.17.3); recent release v1.2.1 (up from v3.0.0-nightly-99e610236-261006) updates Developer Tools MCP tool schemas and transport handling (29 releases in last 90d). Pin exact version v1.2.1 in .mcp.json to avoid silent parameter drift.

Watched Exports / MCP Tool Signatures:

mcptools/listtools/call

Before (Deprecated / Unpinned Pattern)

"react-aria-mcp": {
  "command": "npx",
  "args": ["-y", "@react-aria/mcp@latest"]
}

After (Verified v1.2.1 Pattern)

"react-aria-mcp": {
  "command": "npx",
  "args": ["-y", "@react-aria/mcp@1.2.1"]
}

Frequently Asked Questions: @react-aria/mcp

What is the latest version of @react-aria/mcp on NPM?

As of 2026-10-24, the latest stable version of @react-aria/mcp (React-aria MCP by React Aria) on NPM is v1.2.1, published on 2026-09-01. It has shipped 29 releases in the last 90 days.

Does @react-aria/mcp v1.2.1 have breaking changes or MCP schema drift risk?

@react-aria/mcp currently carries a MEDIUM schema drift risk rating with a Stability Score of 78/100 (Grade B). Built on MCP SDK (^1.17.3); recent release v1.2.1 (up from v3.0.0-nightly-99e610236-261006) updates Developer Tools MCP tool schemas and transport handling (29 releases in last 90d). Pin exact version v1.2.1 in .mcp.json to avoid silent parameter drift.

How do I safely pin @react-aria/mcp in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `npx -y @react-aria/mcp@1.2.1` and monitor mcp, tools/list, tools/call for parameter or schema changes.

30-Min Registry & Schema Poller