# io.github.arose26/mbox-mcp (npm · mbox-mcp)

Search local email archives (.mbox/.eml) entirely on your machine. No OAuth, no cloud.

- Trust score: 70/100 (medium)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-17

## Components

- npm · `mbox-mcp`: 70/100 (this document), [markdown](https://verifymcp.io/servers/arose26-mbox-mcp/mbox-mcp.md), [page](https://verifymcp.io/servers/arose26-mbox-mcp/mbox-mcp)

## Channel facts

- Registry: `npm`
- Package: `mbox-mcp`
- Version: `0.1.1`
- 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 2026-08-17.

- **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 97 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 2 days ago).
  - Security-disclosure policy not yet verified: we couldn't inspect the source repository.
- **Schema Quality & AI Usability**: 85/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 371 tokens (~123/item across 3 items; 3 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 0/100
  - Stability not yet verified: not enough scan history yet (needs a 30-day window).
- **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.

**Unverified: 1 category.** A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

## Install

### Claude

```bash
claude mcp add arose26-mbox-mcp -- npx -y mbox-mcp
```

### Codex

```bash
codex mcp add arose26-mbox-mcp -- npx -y mbox-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "arose26-mbox-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "mbox-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add arose26-mbox-mcp --command npx --arg -y --arg mbox-mcp
```

### Hermes

```yaml
mcp_servers:
  arose26-mbox-mcp:
    command: "npx"
    args: ["-y", "mbox-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "arose26-mbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mbox-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.

### 2026-08-17 (score 70, 0)

- [functional regression] Security disclosure: fail → unverified

### 2026-08-15 (score 70)

First indexed and scored.

## MCP tools (3)

### `open_archive` (~90 tokens)

Open a local email archive

Index an .mbox file (Google Takeout, Thunderbird) or a directory of .eml files — entirely locally, nothing leaves the machine. Returns message count, date range, and top senders. Large archives are indexed once and cached.

Input parameters:

- `path` (string, required): Path to an .mbox file (e.g. a Google Takeout export) or a directory of .eml files

### `search_messages` (~193 tokens)

Search the archive

Search indexed envelopes (from/to/subject/date). `query` matches sender and subject. `body_query` additionally full-parses candidate messages to search body text — it is capped, so narrow with sender/date filters first; the result reports how many candidates were scanned.

Input parameters:

- `after` (string): Only messages on/after this date, YYYY-MM-DD
- `before` (string): Only messages on/before this date, YYYY-MM-DD
- `body_query` (string): Substring searched in message bodies (bounded scan)
- `from` (string): Substring of the sender
- `limit` (integer): Max results
- `path` (string, required): Path to an .mbox file (e.g. a Google Takeout export) or a directory of .eml files
- `query` (string): Keyword matched against sender and subject
- `subject` (string): Substring of the subject

### `get_message` (~88 tokens)

Read a message

Fully parse one message by its id (from search_messages): headers, decoded text body (truncated if huge), and attachment names/types/sizes. Attachment contents are never returned.

Input parameters:

- `id` (integer, required): Message id from search results
- `path` (string, required): Path to an .mbox file (e.g. a Google Takeout export) or a directory of .eml files

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/arose26-mbox-mcp/mbox-mcp#diagnostics

## Score history

- 2026-08-17: 70
- 2026-08-16: 70
- 2026-08-15: 70

## Links

- npm package: https://www.npmjs.com/package/mbox-mcp
- Socket report: https://socket.dev/npm/package/mbox-mcp
- Repository: https://github.com/arose26/mbox-mcp
- Changelog RSS feed: https://verifymcp.io/servers/arose26-mbox-mcp/mbox-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/arose26-mbox-mcp/mbox-mcp.json
- HTML version of this page: https://verifymcp.io/servers/arose26-mbox-mcp/mbox-mcp