# io.github.trondbjoroy/met-mcp (npm · met-mcp)

Weather forecasts from MET Norway (Yr): geocoding plus hourly forecasts worldwide.

- Trust score: 85/100 (high trust)
- Change this week: +3
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-21

## Components

- remote · `met-mcp.met-mcp-worker.workers.dev`: 75/100, [markdown](https://verifymcp.io/servers/trondbjoroy-met-mcp/met-mcp.md), [page](https://verifymcp.io/servers/trondbjoroy-met-mcp/met-mcp)
- npm · `met-mcp`: 85/100 (this document), [markdown](https://verifymcp.io/servers/trondbjoroy-met-mcp/met-mcp-2.md), [page](https://verifymcp.io/servers/trondbjoroy-met-mcp/met-mcp-2)

## Channel facts

- Registry: `npm`
- Package: `met-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 2026-09-21.

- **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 29 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 81/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 597 tokens (~74/item across 8 items; 8 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 100/100
  - No destabilizing schema changes in the last 30 days.
- **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 8 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 8 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 io.github.trondbjoroy/met-mcp server?

io.github.trondbjoroy/met-mcp runs locally as an npm package, launched with npx -y met-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 trondbjoroy-met-mcp -- npx -y met-mcp
```

### Cursor

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

### VS Code

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

### Codex

```bash
codex mcp add trondbjoroy-met-mcp -- npx -y met-mcp
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add trondbjoroy-met-mcp --command npx --arg -y --arg met-mcp
```

### Hermes

```yaml
mcp_servers:
  trondbjoroy-met-mcp:
    command: "npx"
    args: ["-y", "met-mcp"]
```

### Netclaw

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

### Vellum

```bash
assistant mcp add trondbjoroy-met-mcp -t stdio -c npx -a -y met-mcp
```

### Other

```json
{
  "mcpServers": {
    "trondbjoroy-met-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "met-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.

### 2026-09-21 (score 85, 0)

- [security] Stability: 0.97 → pass

### 2026-09-20 (score 85, +1)

No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-18 (score 84, +1)

No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-16 (score 83, +1)

No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-14 (score 82, +1)

No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-12 (score 81, +1)

No change was recorded against any check on this day. Stability & Change Management went from 67 to 70. That category is still filling its 30-day observation window: 20 days of observed history at the previous scan, 21 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-10 (score 80, +1)

No change was recorded against any check on this day. Stability & Change Management went from 60 to 63. That category is still filling its 30-day observation window: 18 days of observed history at the previous scan, 19 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-08 (score 79, +1)

No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes.

## MCP tools (8)

### `geocode_location` (~62 tokens)

Geocode a place name

Find latitude and longitude for a place name. Use the coordinates with the other tools.

Input parameters:

- `count` (integer): Maximum number of matches to return
- `name` (string, required): Place name, e.g. 'Bergen' or 'Oslo, Norway'

### `get_forecast` (~69 tokens)

Get weather forecast

Get an hourly weather forecast from MET Norway (Yr) for a coordinate. Works worldwide, best coverage in the Nordics.

Input parameters:

- `hours` (integer): How many hours ahead to include
- `latitude` (number, required): Latitude in decimal degrees
- `longitude` (number, required): Longitude in decimal degrees

### `get_nowcast` (~60 tokens)

Get precipitation nowcast

Minute-by-minute precipitation for the next 2 hours, radar-based. Nordic region only. Answers 'do I need an umbrella right now?'

Input parameters:

- `latitude` (number, required): Latitude in decimal degrees
- `longitude` (number, required): Longitude in decimal degrees

### `get_weather_alerts` (~70 tokens)

Get weather alerts

Official danger warnings (wind, flood, ice, forest fire...) from MET Norway. Covers Norway and its waters. Omit coordinates to get all current alerts. Alert text is in Norwegian.

Input parameters:

- `latitude` (number): Latitude in decimal degrees
- `longitude` (number): Longitude in decimal degrees

### `get_sun_events` (~87 tokens)

Get sunrise and sunset

Sunrise, sunset, and solar noon for a coordinate and date. Works worldwide.

Input parameters:

- `date` (string, required): Date as YYYY-MM-DD
- `latitude` (number, required): Latitude in decimal degrees
- `longitude` (number, required): Longitude in decimal degrees
- `utc_offset` (string): UTC offset for the returned times, e.g. '+02:00' for Norwegian summer time

### `get_ocean_forecast` (~64 tokens)

Get ocean forecast

Wave height, wave direction, and sea temperature. Covers the Norwegian coast and nearby seas.

Input parameters:

- `hours` (integer): How many hours ahead to include
- `latitude` (number, required): Latitude in decimal degrees
- `longitude` (number, required): Longitude in decimal degrees

### `find_weather_stations` (~73 tokens)

Find weather stations

Find the nearest official weather stations (Frost). Use the station id (e.g. SN50540) with get_historical_weather.

Input parameters:

- `count` (integer): Maximum number of stations to return
- `latitude` (number, required): Latitude in decimal degrees
- `longitude` (number, required): Longitude in decimal degrees

### `get_historical_weather` (~112 tokens)

Get historical weather

Daily historical observations from a weather station (Frost archive, some stations go back over 100 years). Find station ids with find_weather_stations.

Input parameters:

- `elements` (array): Frost element ids. Defaults: daily mean temperature, precipitation sum, max wind.
- `from` (string, required): Start date, YYYY-MM-DD
- `station_id` (string, required): Station id from find_weather_stations, e.g. SN50540
- `to` (string, required): End date (exclusive), YYYY-MM-DD

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/trondbjoroy-met-mcp/met-mcp-2#diagnostics

## Score history

- 2026-09-21: 85
- 2026-09-20: 85
- 2026-09-19: 84
- 2026-09-18: 84
- 2026-09-17: 83
- 2026-09-16: 83
- 2026-09-15: 82
- 2026-09-14: 82
- 2026-09-13: 81
- 2026-09-12: 81
- 2026-09-11: 80
- 2026-09-10: 80
- 2026-09-09: 79
- 2026-09-08: 79
- 2026-09-07: 78
- 2026-09-06: 78
- 2026-09-05: 78
- 2026-09-04: 77
- 2026-09-03: 77
- 2026-09-02: 76
- 2026-09-01: 76
- 2026-08-31: 75
- 2026-08-30: 75
- 2026-08-29: 71
- 2026-08-28: 71
- 2026-08-27: 71
- 2026-08-26: 71
- 2026-08-25: 70
- 2026-08-24: 70
- 2026-08-23: 70

## Common questions

### What is the io.github.trondbjoroy/met-mcp server?

io.github.trondbjoroy/met-mcp is listed in the public MCP registry as io.github.trondbjoroy/met-mcp. Weather forecasts from MET Norway (Yr): geocoding plus hourly forecasts worldwide. This page covers its npm package (met-mcp).

### Is the io.github.trondbjoroy/met-mcp server safe to use?

io.github.trondbjoroy/met-mcp scores 85 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 21 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 io.github.trondbjoroy/met-mcp server expose?

io.github.trondbjoroy/met-mcp exposes 8 tools: geocode_location, get_forecast, get_nowcast, get_weather_alerts, get_sun_events, and 3 more. Their descriptions and schemas cost roughly 597 tokens of context every time the server is loaded.

### Is the io.github.trondbjoroy/met-mcp server still maintained?

io.github.trondbjoroy/met-mcp is still listed as active in the MCP registry. We last reached this channel on 21 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 io.github.trondbjoroy/met-mcp server under?

io.github.trondbjoroy/met-mcp 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/met-mcp
- Socket report: https://socket.dev/npm/package/met-mcp
- Repository: https://github.com/trondbjoroy/met-mcp
- Changelog RSS feed: https://verifymcp.io/servers/trondbjoroy-met-mcp/met-mcp-2.xml
- Changelog JSON feed: https://verifymcp.io/servers/trondbjoroy-met-mcp/met-mcp-2.json
- HTML version of this page: https://verifymcp.io/servers/trondbjoroy-met-mcp/met-mcp-2