Use obv-calculator with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Deterministic On-Balance Volume (OBV) analysis engine.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 4 capabilities
The complete obv-calculator capability set.
These are the exact actions your AI can choose when you ask it to work with obv-calculator.
01-04
4 capabilities in this set.
Part of 4 available through obv-calculator.
- 01
Analyze obv trends
Provides smoothing and momentum metrics based on the calculated OBV
- 02
Detect divergences
Identifies discrepancies between price movement and volume movement
- 03
Calculate obv series
Computes the complete series of On-Balance Volume values from price and volume data
- 04
Classify volume flow
Categorizes the current market state as Accumulation or Distribution
Observed, not estimated
840ms average. Fast in production.
obv-calculator is checked daily against the live service.
- Fastest day
- 677ms
- Slowest day
- 973ms
- 14-day trend
- Slowing+21%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of obv-calculator, so you can see the experience inside your AI.
It does not authenticate your account with obv-calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
obv-calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_ANWeHHb0ynzMzjOyNr2qdr3gZqT73fj0UOzSPHsP/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — obv-calculator capabilities are ready to use.
{
"mcpServers": {
"obv-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_ANWeHHb0ynzMzjOyNr2qdr3gZqT73fj0UOzSPHsP/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions obv-calculator owners ask.
- 01
What is On-Balance Volume (OBV)?
OBV is a momentum indicator that uses volume flow to predict changes in stock price by analyzing whether volume is flowing into or out of a security.
- 02
How do I detect market accumulation?
You can use the classify_volume_flow capability to identify Accumulation, which is characterized by rising OBV or bullish divergence.
- 03
Can I detect price-volume divergences?
Yes, the detect_divergences capability identifies discrepancies where price movement and OBV movement do not align.
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