# Phantom MCP Server (@phantom/mcp-server) - AgentBreakWatch Reference

> TL;DR Verdict: Phantom MCP Server (`@phantom/mcp-server`) is currently at v1.2.9 on NPM (published 2026-10-05), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk across 2 releases in the last 90 days. recent release v1.2.9 (up from v1.2.8) updates Payments & FinTech MCP tool schemas and transport handling (2 releases in last 90d). Pin exact version v1.2.9 in .mcp.json to avoid silent parameter drift.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/phantom-mcp-server
- Category Hub: https://agentbreakwatch.vercel.app/c/payments (Payments, Stripe, FinTech & Crypto Wallet MCP Servers)
- Package Name: `@phantom/mcp-server`
- Registry: NPM (https://www.npmjs.com/package/@phantom/mcp-server)
- GitHub Repository: https://github.com/phantom/phantom-connect-sdk
- Vendor: Phantom
- Latest Live Version: v1.2.9
- Published Date: 2026-10-05T11:47:19.875Z
- 90-Day Release Count: 2
- Direct Dependencies: 1
- License: MIT
- Stability Score: 86/100 (Grade B+)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `npx -y @phantom/mcp-server@1.2.9`
- Watched Symbols / MCP Tools: phantom-mcp, tools/list, tools/call
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
recent release v1.2.9 (up from v1.2.8) updates Payments & FinTech MCP tool schemas and transport handling (2 releases in last 90d). Pin exact version v1.2.9 in .mcp.json to avoid silent parameter drift.

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

## Migration Diff: After (Verified v1.2.9 Pattern)
```
"phantom-mcp-server": {
  "command": "npx",
  "args": ["-y", "@phantom/mcp-server@1.2.9"]
}
```

## Recent Verified Releases
- v1.2.9 (published 2026-10-05) [LATEST]
- v1.2.8 (published 2026-09-18)
- v1.2.7 (published 2026-04-28)
- v1.2.6 (published 2026-04-27)
- v1.2.5 (published 2026-04-21)
- v1.2.4 (published 2026-04-21)