Sponsor Slot OpenReach builders tracking 30 Agent SDKs and 226 MCP servers. Book featured placement ($150/wk)
Developer Tools MCPnpmmedium schema drift risk

@kya-os/mcp

Kya-os MCP by Kya Os

Reference implementation of the KYA-OS protocol for Model Context Protocol servers: identity, delegation, proofs, sessions, and verifiable audit trails

Live Registry Versionv1.21.1Previous: v1.21.0Published 2026-10-22
Stability Grade
B+ (82/100)
90-Day Velocity
13 releases
Moderate cadence
Dependencies
3 direct
NPM manifest
License
MIT
Verified on NPM
Recommended Exact Pin: npx -y @kya-os/mcp@1.21.1
TL;DR Verdict & Quick Citation Summary (2026-10-24)Source: AgentBreakWatch Live NPM Index

Kya-os MCP (@kya-os/mcp) is currently at v1.21.1 on NPM (published 2026-10-22), with a 90-day stability score of 82/100 (B+) and MEDIUM schema drift risk across 13 releases in the past 90 days. recent release v1.21.1 (up from v1.21.0) updates Developer Tools MCP tool schemas and transport handling (13 releases in last 90d). Pin exact version v1.21.1 in .mcp.json to avoid silent parameter drift. Production teams should pin npx -y @kya-os/mcp@1.21.1 rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

recent release v1.21.1 (up from v1.21.0) updates Developer Tools MCP tool schemas and transport handling (13 releases in last 90d). Pin exact version v1.21.1 in .mcp.json to avoid silent parameter drift.

Watched Exports / MCP Tool Signatures:
kya-audittools/listtools/call
Before (Deprecated / Unpinned Pattern)
"kya-os-mcp": {
  "command": "npx",
  "args": ["-y", "@kya-os/mcp@latest"]
}
After (Verified v1.21.1 Pattern)
"kya-os-mcp": {
  "command": "npx",
  "args": ["-y", "@kya-os/mcp@1.21.1"]
}

Frequently Asked Questions: @kya-os/mcp

What is the latest version of @kya-os/mcp on NPM?

As of 2026-10-24, the latest stable version of @kya-os/mcp (Kya-os MCP by Kya Os) on NPM is v1.21.1, published on 2026-10-22. It has shipped 13 releases in the last 90 days.

Does @kya-os/mcp v1.21.1 have breaking changes or MCP schema drift risk?

@kya-os/mcp currently carries a MEDIUM schema drift risk rating with a Stability Score of 82/100 (Grade B+). recent release v1.21.1 (up from v1.21.0) updates Developer Tools MCP tool schemas and transport handling (13 releases in last 90d). Pin exact version v1.21.1 in .mcp.json to avoid silent parameter drift.

How do I safely pin @kya-os/mcp in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `npx -y @kya-os/mcp@1.21.1` and monitor kya-audit, tools/list, tools/call for parameter or schema changes.

30-Min Registry & Schema Poller

Get Instant Breaking-Change Alerts for @kya-os/mcp

We poll NPM and decentralized-identity/kya-os-mcp every 30 minutes. Get an email with the exact diff when @kya-os/mcp ships a breaking release beyond v1.21.1.