WeatherAPI.com MCP Server
for AI Agents
Connect your AI agent to StackOne's WeatherAPI.com MCP server and give it 21 MCP tools out of the box. Auth, tool execution, and security all managed.
StackOne 
Coverage
21 Agent Actions
Create, read, update, and delete across WeatherAPI.com — and extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your WeatherAPI.com MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every WeatherAPI.com tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.
Prompt Injection Defense →
Performance
Max Agent Context. Min Cost.
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every WeatherAPI.com call.
Tools Discovery →What is the WeatherAPI.com MCP Server?
A WeatherAPI.com MCP server lets AI agents read and write WeatherAPI.com data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's WeatherAPI.com MCP server ships with 21 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, observability, and agent execution runtime. Connect it from MCP clients like Claude Desktop, Claude Code, Cursor, Goose, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
All WeatherAPI.com MCP Tools
Every action from WeatherAPI.com's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
Other (21)
- Get Weather Alerts
Retrieve active government weather warnings for a location
- Get Astronomy
Retrieve sun and moon data for a location and date
- Search Locations
Search cities and towns matching a free-text query
- Get IP Lookup
Geolocate an IP address
- Get Marine Weather
Retrieve a marine and sailing forecast for a sea or ocean coordinate
- Get Sports Events
List upcoming football, cricket and golf events near a location
- Get Time Zone
Resolve a location to its time zone and current local time
- Get Realtime Weather
Retrieve current weather conditions for a location
- Get Forecast Weather
Retrieve a daily and hourly weather forecast for a location
- Get History Weather
Retrieve observed historical weather for a location on a past date or date range
- Get Future Weather
Retrieve projected weather for a location on a date more than 14 days ahead
- Bulk Weather Alerts
Retrieve active government weather warnings for up to 50 locations in a single request
- Bulk Astronomy
Retrieve sun and moon data for up to 50 locations in a single request
- Bulk IP Lookup
Retrieve IP geolocation for up to 50 locations in a single request
- Bulk Marine Weather
Retrieve marine and sailing forecasts for up to 50 locations in a single request
- Bulk Sports Events
Retrieve upcoming sports events for up to 50 locations in a single request
- Bulk Time Zone
Retrieve time zone and local time for up to 50 locations in a single request
- Bulk Realtime Weather
Retrieve current weather conditions for up to 50 locations in a single request
- Bulk Forecast Weather
Retrieve daily and hourly forecasts for up to 50 locations in a single request
- Bulk History Weather
Retrieve observed historical weather for up to 50 locations in a single request
- Bulk Future Weather
Retrieve projected future weather for up to 50 locations in a single request
Set Up Your WeatherAPI.com MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to WeatherAPI.com in under 10 lines of code.
Agent Frameworks
JSON{
"mcpServers": {
"stackone": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"https://api.stackone.com/mcp?x-account-id=<account_id>",
"--header",
"Authorization: Basic <YOUR_BASE64_TOKEN>"
]
}
}
}Platform Resources
MCP Code Mode: Keeping Tool Responses Out of Agent Context
Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.
11 min
Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
Indirect Prompt Injection Defense for MCP Tools: A Technical Guide
MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.
12 min
MCP vs A2A: Architecture, Security, and When to Use Each
MCP vs A2A: what each protocol standardizes, how they differ, their shared security risks including indirect prompt injection, and when to use one, both, or a hybrid architecture.
12 min
MCP vs API: What Hundreds of Connector Builds Taught Us
MCP wraps APIs, it doesn't replace them. After building hundreds of connectors that serve both, here's when each approach wins.
14 min read
WeatherAPI.com MCP Server FAQ
Does StackOne have a WeatherAPI.com MCP server?
WeatherAPI.com MCP server vs direct API integration — what's the difference?
How does WeatherAPI.com authentication work for AI agents?
origin_owner_id.Are WeatherAPI.com MCP tools vulnerable to prompt injection?
What is the context bloat of a WeatherAPI.com agent and how do I avoid it?
Can I limit which actions my WeatherAPI.com agent can access?
Can I create custom agent actions for my WeatherAPI.com MCP server?
When should I NOT use a WeatherAPI.com MCP server?
What AI frameworks and AI clients does the StackOne WeatherAPI.com MCP server support?
Put your AI agents to work
All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.