A comprehensive oceanographic tool for fetching real-time tide heights, extrema, and meteorological grid data globally.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install tides
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install tides using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Tides and Ocean Data?
This skill provides developers and AI agents with a robust interface to a global ocean tides model. By utilizing a JSON-RPC 2.0 protocol, it allows for precise querying of oceanic conditions based on geographical coordinates and timestamps. It is an essential addition to the library of Openclaw Skills for those building maritime applications, research tools, or coastal monitoring systems.
The skill integrates seamlessly with modern AI workflows, enabling automated data retrieval for complex maritime analysis. Whether you need the current tide level in a specific harbor or a week's worth of tide extrema, this tool provides high-fidelity oceanographic data directly through an MCP-compatible interface.
Tides and Ocean Data Use Cases
- Planning maritime navigation by calculating tide heights at specific coordinates.
- Analyzing historical or future tide extrema for coastal engineering projects.
- Correlating oceanographic tide data with meteorological variables like surface wind and temperature.
- Automating environmental monitoring reports using Openclaw Skills.
How Tides and Ocean Data Works
- The user or agent initiates an MCP-compatible JSON-RPC request to the specialized API endpoint.
- Authentication is handled via Bearer tokens for high-usage tiers or anonymously for standard queries.
- The skill processes tool calls such as tides_single or tides_extrema with provided latitude and longitude parameters.
- The backend ocean model calculates the requested harmonic data or fetches meteorological grid points.
- Results are returned as structured JSON, allowing Openclaw Skills to parse tide levels and weather variables instantly.
Tides and Ocean Data Setup
To get started, you can access the API directly using JSON-RPC 2.0. For higher rate limits, contact hamandmore@gmail.com to request an authentication token. Use the following command to initialize the connection:
curl -sS -X POST https://hamandmore.net/api/harmonics/mcp \
-H 'content-type: application/json' \
--data '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'
To list available tools in your Openclaw Skills environment:
curl -sS -X POST https://hamandmore.net/api/harmonics/mcp \
-H 'content-type: application/json' \
--data '{"jsonrpc":"2.0","id":2,"method":"tools/list","params":{}}'
Tides and Ocean Data Data Schema & Taxonomy
The skill utilizes standard geographical and temporal parameters to return structured ocean data. Responses include both stringified JSON and structured objects for better programmatic access.
| Parameter | Type | Description |
|---|---|---|
| latitude | float | Latitude of the target location |
| longitude | float | Longitude of the target location |
| start_time | string | ISO-8601 timestamp for data start |
| variables | array | List of weather variables (e.g., wind/surface/0) |
All successful responses from Openclaw Skills include a result.structuredContent field for direct object access.
Tides and Ocean Data Advanced Features
- Support for tide extrema (high and low tide) calculation over custom time ranges.
- Integration with meteorological data via the weather_met tool for surface wind and temperature.
- Support for both Bearer and Basic authentication headers to manage high-usage tiers.
- Fully compatible with Model Context Protocol (MCP) for advanced AI agent interaction within Openclaw Skills.
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