Use OpenSearch Shard Calculator with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Deterministic AWS OpenSearch shard distribution and resource allocation calculator.
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 · 3 capabilities
The complete OpenSearch Shard Calculator capability set.
These are the exact actions your AI can choose when you ask it to work with OpenSearch Shard Calculator.
01-03
3 capabilities in this set.
Part of 3 available through OpenSearch Shard Calculator.
- 01
Calculate cluster limits and health
- 02
Calculate shard distribution
- 03
Recommend resource and performance settings
Observed, not estimated
803ms average. Fast in production.
OpenSearch Shard Calculator is checked daily against the live service.
- Fastest day
- 638ms
- Slowest day
- 959ms
- 14-day trend
- Slowing+14%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 3 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 OpenSearch Shard Calculator, so you can see the experience inside your AI.
It does not authenticate your account with OpenSearch Shard Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
OpenSearch Shard Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_vczGy4dWf3ll3CPZeUPgSA2AoDNVpa6IQ4JK6bmA/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 — OpenSearch Shard Calculator capabilities are ready to use.
{
"mcpServers": {
"opensearch-shard-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_vczGy4dWf3ll3CPZeUPgSA2AoDNVpa6IQ4JK6bmA/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 OpenSearch Shard Calculator owners ask.
- 01
How do I know if my shard density is too high?
You can use the calculate_cluster_limits_and_health capability. It will return a flag if the shards per node exceeds the recommended limit of 1000.
- 02
Can this capability recommend JVM settings?
Yes, the recommend_resource_and_performance_settings capability provides optimized JVM heap size, recommended garbage collection algorithms like G1GC, and translog flush thresholds.
- 03
What is the recommended shard size for OpenSearch?
A good rule of thumb is to target a shard size between 10 and 50 GB. You can use calculate_shard_distribution to see how your specific index size fits these targets.
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