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WeatherSAFE

mcp/adhikasp/weather
MCP server by adhikasp · Audited 2026-10-08
⚑ Report / re-scanSource ↗

MCP server that provides hourly weather forecasts using the AccuWeather API

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
1 1r · 0w · 0d
Transport
—
License
Unlicense
Stars
36
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

A simple MCP server that provides hourly weather forecasts using the AccuWeather API.

Setup

  1. Install dependencies using uv:
uv venv
uv sync
  1. Create a .env file with your AccuWeather API key:
ACCUWEATHER_API_KEY=your_api_key_here

You can get an API key by registering at AccuWeather API.

Running the Server

{
"mcpServers": {
"weather": {
"command": "uvx",
"args": ["--from", "git+https://github.com/adhikasp/mcp-weather.git", "mcp-weather"],
"env": {
"ACCUWEATHER_API_KEY": "your_api_key_here"
}
}
}
}

API Usage

Get Hourly Weather Forecast

Response:

{
"location": "Jakarta",
"location_key": "208971",
"country": "Indonesia",
"current_conditions": {
"temperature": {
"value": 32.2,
"unit": "C"
},
"weather_text": "Partly sunny",
"relative_humidity": 75,
"precipitation": false,
"observation_time": "2024-01-01T12:00:00+07:00"
},
"hourly_forecast": [
{
"relative_time": "+1 hour",
"temperature": {
"value": 32.2,
"unit": "C"
},
"weather_text": "Partly sunny",
"precipitation_probability": 40,
"precipitation_type": "Rain",
"precipitation_intensity": "Light"
}
]
}

The API provides:

  • Current weather conditions including temperature, weather description, humidity, and precipitation status
  • 12-hour forecast with hourly data including:
  • Relative time from current time
  • Temperature in Celsius
  • Weather description
  • Precipitation probability, type, and intensity
Read from source at commit 11a63d1b58dfOBSERVED · 2026-10-08
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control. Replace the environment placeholders with a token scoped to the least it needs.

claude-code
claude mcp add mcp-weather --env ACCUWEATHER_API_KEY=${ACCUWEATHER_API_KEY} -- uvx mcp-weather
claude-desktop
{
  "mcpServers": {
    "mcp-weather": {
      "command": "uvx",
      "args": [
        "mcp-weather"
      ],
      "env": {
        "ACCUWEATHER_API_KEY": "${ACCUWEATHER_API_KEY}"
      }
    }
  }
}
03

Exposed tools (1)

1 read · 0 write · 0 destructive.

ToolRiskDescription
get_hourly_weatherreadGet hourly weather forecast for a location.
04

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codePASS
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
none-observed
Shell
none-observed
Dependencies
pinned
Secrets in source
none-found

Findings (0)

No findings outside the package's declared scope.

Gates applied: no_behavioural_pass.

Audited 2026-10-08 · audit v0.4.1 · source sha 11a63d1b58dffull audit observations/trust-audit/mcp-server/adhikasp__weather.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-0811a63d1b58dfSAFEB89first audit
06

Questions

What is the Weather MCP server?

MCP server that provides hourly weather forecasts using the AccuWeather API

What tools does Weather expose?

1 in total: 1 read-only, 0 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is Weather safe to connect to an agent?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.

What credentials does Weather need?

It reads ACCUWEATHER_API_KEY from the environment. Give it a token scoped to the least it needs — an agent that can be talked into calling a tool can be talked into calling it with your credentials.

How current is this page?

The grade is for one exact copy of the source (11a63d1b58df), read on 2026-10-08. The repository is watched and re-audited when it changes.

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