# io.github.tsvillain/deprecation-mcp (npm · deprecation-mcp)

MCP server for cross-vendor API/SDK deprecation and breaking-change tracking

- Trust score: 73/100 (medium)
- Change this week: +5
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-16

## Components

- npm · `deprecation-mcp`: 73/100 (this document), [markdown](https://verifymcp.io/servers/tsvillain-deprecation-mcp/deprecation-mcp.md), [page](https://verifymcp.io/servers/tsvillain-deprecation-mcp/deprecation-mcp)

## Channel facts

- Registry: `npm`
- Package: `deprecation-mcp`
- Version: `0.2.0`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-16.

- **Supply Chain Security**: 98/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - 30 of 96 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 7 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 80/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 113 tokens (~113/item across 1 items; 1 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add tsvillain-deprecation-mcp -- npx -y deprecation-mcp
```

### Codex

```bash
codex mcp add tsvillain-deprecation-mcp -- npx -y deprecation-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "tsvillain-deprecation-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "deprecation-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add tsvillain-deprecation-mcp --command npx --arg -y --arg deprecation-mcp
```

### Hermes

```yaml
mcp_servers:
  tsvillain-deprecation-mcp:
    command: "npx"
    args: ["-y", "deprecation-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "tsvillain-deprecation-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "deprecation-mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-16 (score 73, +4)

- [functional improvement] Stability: unverified → 0.27

### 2026-08-12 (score 69, 0)

- [functional regression] Security disclosure: unverified → fail

### 2026-08-11 (score 69, +1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-08-08 (score 68)

First indexed and scored.

## MCP tools (1)

### `check_deprecation` (~113 tokens)

Check API/SDK deprecation status

Look up whether a provider's API or SDK is active, deprecated, or sunset. Covers a curated set of high-traffic providers (Stripe, Twilio, AWS, GitHub, OpenAI, Slack, SendGrid, Shopify, Auth0, PayPal). Returns 'unknown' for anything not tracked.

Input parameters:

- `provider` (string, required): Vendor slug, e.g. 'stripe', 'aws', 'github'
- `target` (string, required): API/SDK identifier within that provider, e.g. 'sources-api'

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/tsvillain-deprecation-mcp/deprecation-mcp#diagnostics

## Score history

- 2026-08-16: 73
- 2026-08-15: 69
- 2026-08-14: 69
- 2026-08-13: 69
- 2026-08-12: 69
- 2026-08-11: 69
- 2026-08-10: 68
- 2026-08-09: 68
- 2026-08-08: 68

## Links

- npm package: https://www.npmjs.com/package/deprecation-mcp
- Socket report: https://socket.dev/npm/package/deprecation-mcp
- Repository: https://github.com/tsvillain/deprecation-mcp
- Changelog RSS feed: https://verifymcp.io/servers/tsvillain-deprecation-mcp/deprecation-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/tsvillain-deprecation-mcp/deprecation-mcp.json
- HTML version of this page: https://verifymcp.io/servers/tsvillain-deprecation-mcp/deprecation-mcp