# L2 Calendar (npm · l2calendar-mcp)

Query Lineage 2 private server openings by chronicle through the public L2 Calendar API.

- Trust score: 74/100 (medium)
- Change this week: +18
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-25

## Components

- npm · `l2calendar-mcp`: 74/100 (this document), [markdown](https://verifymcp.io/servers/dreiev-l2calendar-mcp/l2calendar-mcp.md), [page](https://verifymcp.io/servers/dreiev-l2calendar-mcp/l2calendar-mcp)

## Channel facts

- Registry: `npm`
- Package: `l2calendar-mcp`
- Version: `1.0.0`
- 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 2026-09-25.

- **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.
  - 31 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 6 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 82/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 427 tokens (~85/item across 5 items; 5 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**: 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.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 5 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 5 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### How do I install the L2 Calendar MCP server?

L2 Calendar runs locally as an npm package, launched with npx -y l2calendar-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add dreiev-l2calendar-mcp -- npx -y l2calendar-mcp
```

### Cursor

```json
{
  "mcpServers": {
    "dreiev-l2calendar-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "l2calendar-mcp"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "dreiev-l2calendar-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "l2calendar-mcp"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add dreiev-l2calendar-mcp -- npx -y l2calendar-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "dreiev-l2calendar-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "l2calendar-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add dreiev-l2calendar-mcp --command npx --arg -y --arg l2calendar-mcp
```

### Hermes

```yaml
mcp_servers:
  dreiev-l2calendar-mcp:
    command: "npx"
    args: ["-y", "l2calendar-mcp"]
```

### Netclaw

```json
{
  "McpServers": {
    "dreiev-l2calendar-mcp": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "l2calendar-mcp"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add dreiev-l2calendar-mcp -t stdio -c npx -a -y l2calendar-mcp
```

### Other

```json
{
  "mcpServers": {
    "dreiev-l2calendar-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "l2calendar-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.

### 2026-09-25 (score 74, +3)

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

### 2026-09-19 (score 71, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-09-18 (score 56)

First indexed and scored.

## MCP tools (5)

### `list_servers` (~199 tokens)

List Lineage 2 private servers

List Lineage 2 private servers tracked by L2 Calendar, ordered by VIP status and opening date. Optionally filter by chronicle, upcoming openings, newly added entries or rate range.

Input parameters:

- `chronicle` (string): Chronicle slug to filter by (e.g. interlude, high-five, classic, essence, god, gracia-final). Use get_chronicles for the full list.
- `limit` (integer): Maximum number of servers to return (1-50). Defaults to 50, the API page size.
- `max_rate` (number): Maximum numeric rate. GVE entries are excluded.
- `min_rate` (number): Minimum numeric rate (e.g. 100 for x100+). GVE entries are excluded.
- `new_only` (boolean): When true, only return servers flagged as newly added entries.
- `only_upcoming` (boolean): When true, only return servers whose opening date is today or later.

### `get_chronicles` (~44 tokens)

List Lineage 2 chronicles

List every Lineage 2 chronicle tracked by L2 Calendar (slug, display name and order). Use the slugs as the chronicle filter for list_servers.

### `search_servers` (~81 tokens)

Search Lineage 2 private servers

Search the current L2 Calendar server page by free text. Matches the server name, website, rate, chronicle, description and labels (case-insensitive).

Input parameters:

- `limit` (integer): Maximum number of matches to return (1-50).
- `query` (string, required): Text to match, for example "interlude x1000" or a server name.

### `get_server` (~66 tokens)

Get a Lineage 2 private server

Return the full public record of a single server by its exact name (case-insensitive), including description and labels.

Input parameters:

- `chronicle` (string): Optional chronicle slug to narrow the lookup.
- `name` (string, required): Exact server name, for example "L2Hispano".

### `list_labels` (~37 tokens)

List server labels

List the distinct labels (e.g. PTS, Low rate, Craft) currently applied to servers on the public page, with their colors.

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/dreiev-l2calendar-mcp/l2calendar-mcp#diagnostics

## Score history

- 2026-09-25: 74
- 2026-09-24: 71
- 2026-09-23: 71
- 2026-09-22: 71
- 2026-09-21: 71
- 2026-09-20: 71
- 2026-09-19: 71
- 2026-09-18: 56

## Common questions

### What is the L2 Calendar MCP server?

L2 Calendar is an MCP server listed in the public MCP registry as io.github.Dreiev/l2calendar-mcp. Query Lineage 2 private server openings by chronicle through the public L2 Calendar API. This page covers its npm package (l2calendar-mcp).

### Is the L2 Calendar MCP server safe to use?

L2 Calendar scores 74 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 25 September 2026. It declares no install or post-install scripts. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the L2 Calendar MCP server expose?

L2 Calendar exposes 5 tools: list_servers, get_chronicles, search_servers, get_server, list_labels. Their descriptions and schemas cost roughly 427 tokens of context every time the server is loaded.

### Is the L2 Calendar MCP server still maintained?

L2 Calendar is still listed as active in the MCP registry. We last reached this channel on 25 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the L2 Calendar MCP server under?

L2 Calendar declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/l2calendar-mcp
- Socket report: https://socket.dev/npm/package/l2calendar-mcp
- Repository: https://github.com/Dreiev/l2calendar-mcp
- Website: https://l2calendar.com/
- Changelog RSS feed: https://verifymcp.io/servers/dreiev-l2calendar-mcp/l2calendar-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/dreiev-l2calendar-mcp/l2calendar-mcp.json
- HTML version of this page: https://verifymcp.io/servers/dreiev-l2calendar-mcp/l2calendar-mcp