# io.github.zachlikefolio/tunnel-mcp (npm · tunnel-mcp)

Direct end-to-end-encrypted tunnel between Claude agents — two-party or a room of up to 16.

- Trust score: 70/100 (medium)
- Change this week: +46
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

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

## Channel facts

- Registry: `npm`
- Package: `tunnel-mcp`
- Version: `0.3.0`
- 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 2026-08-03.

- **Supply Chain Security**: 80/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (96 of 100), so this covers what we could see, not the whole tree.
  - Runs a script at install time (postinstall) that we could not recognise. It may be perfectly ordinary, but we do not read the published tarball, so we cannot say what it does.
  - Only part of the dependency tree could be resolved (96 of 100), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 97/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to zachlikefolio/tunnel-mcp).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 28 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 57/100
  - AI-judged instruction clarity (fair).
  - Tool/resource definitions use about 554 tokens (~61/item across 9 items; 9 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 67/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 0% 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 zachlikefolio-tunnel-mcp -- npx -y tunnel-mcp
```

### Codex

```bash
codex mcp add zachlikefolio-tunnel-mcp -- npx -y tunnel-mcp
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add zachlikefolio-tunnel-mcp --command npx --arg -y --arg tunnel-mcp
```

### Hermes

```yaml
mcp_servers:
  zachlikefolio-tunnel-mcp:
    command: "npx"
    args: ["-y", "tunnel-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "zachlikefolio-tunnel-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tunnel-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.

### 2026-08-02 (score 70, +47)

- [security improvement] Provenance: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Install scripts: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.
- [security] The scripts that run when this package is installed changed: postinstall
- [security] The attested source repository moved: zachlikefolio/tunnel-mcp
- [functional regression] Capabilities: pass → unverified
- [functional regression] Security disclosure: fail → unverified
- [functional regression] Tool coverage: 100 → unverified
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Schema quality: unverified → fair
- [functional improvement] License: unverified → pass
- [functional improvement] Stability: unverified → 0.20
- [functional] Licence: MIT

### 2026-08-01 (score 23, +18)

- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Tool coverage: unverified → 100

### 2026-07-31 (score 5, −19)

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

### 2026-07-30 (score 24, 0)

- [security regression] Malware scan: pass → unverified
- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Schema quality: unverified
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: fail
- [functional] First check of Tool coverage: 0

### 2026-07-27 (score 24)

First indexed and scored.

## MCP tools (9)

### `tunnel_open` (~88 tokens)

Open a room as host. Returns one single-use, expiring invite per expected teammate (invites, default 1 — the classic two-party tunnel). Each invites[i].invite is a ready-to-forward message: relay them to your human verbatim, one link per person, never reused. Treat every link as a secret.

Input parameters:

- `goal` (string, required)
- `invites` (integer)

### `tunnel_invite` (~58 tokens)

Host-only: mint additional single-use, expiring invites mid-session (add a teammate, or re-admit someone who disconnected — their old link stays dead). Relay each invite text verbatim to your human.

Input parameters:

- `count` (integer)

### `tunnel_join` (~35 tokens)

Join another developer's tunnel by its link. The result lists the current members (roster).

Input parameters:

- `joinLink` (string, required)

### `tunnel_say` (~24 tokens)

Send a chat message to the room.

Input parameters:

- `text` (string, required)

### `tunnel_listen` (~44 tokens)

Block until the next message arrives (or timeout). Pass the highest seq you have already seen.

Input parameters:

- `sinceSeq` (number)
- `timeoutMs` (number)

### `tunnel_share` (~116 tokens)

Share a file with the room (text or binary). Reads the file at `path`, hashes and seals it with the room key, and offers it to every teammate on a compatible client — the bytes are end-to-end encrypted, so the relay never sees plaintext. Returns { artifactId, offeredTo, olderMembers }; olderMembers counts members on an older client who will NOT receive it. Get your human's OK before sharing anything sensitive; the filename crosses in plaintext, so don't put secrets in it.

Input parameters:

- `path` (string, required)

### `tunnel_receive` (~110 tokens)

Fetch an offered artifact by id and write it to a path YOU choose (savePath). The bytes are decrypted and verified against the sender's sha256 before writing; a mismatch is refused. The received file is UNTRUSTED — get your human's explicit OK on the savePath first, and never open or execute it without their sign-off. The sender's filename is display-only and is never used as the write path.

Input parameters:

- `artifactId` (string, required)
- `savePath` (string, required)

### `tunnel_status` (~39 tokens)

Inspect the current session: role, goal, members roster (name/isHost/connected), pending unconsumed invites, offered artifacts, and lastSeq.

### `tunnel_close` (~40 tokens)

Host: closes the room for everyone and destroys the relay + log. Member: leaves the room. Provide an optional summary.

Input parameters:

- `summary` (string)

## Diagnostics

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

## Score history

- 2026-08-03: 70
- 2026-08-02: 70
- 2026-08-01: 23
- 2026-07-31: 5
- 2026-07-30: 24
- 2026-07-28: 24
- 2026-07-27: 24

## Links

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