Use Cost-Controlled Tool Selector with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. A deterministic engine to select the most cost-effective capability variant based on accuracy requirements.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 3 capabilities
The complete Cost-Controlled Tool Selector capability set.
These are the exact actions your AI can choose when you ask it to work with Cost-Controlled Tool Selector.
01-03
3 capabilities in this set.
Part of 3 available through Cost-Controlled Tool Selector.
- 01
Compare variant efficiency
Evaluates the performance-to-cost ratio of two specific capability variants
- 02
List qualified variants
Answers which capabilities are capable of performing a task regardless of their cost
- 03
Select optimal variant
Identifies the single best capability variant to use for a specific task based on efficiency and constraints
Observed, not estimated
830ms average. Fast in production.
Cost-Controlled Tool Selector is checked daily against the live service.
- Fastest day
- 669ms
- Slowest day
- 929ms
- 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 Cost-Controlled Tool Selector, so you can see the experience inside your AI.
It does not authenticate your account with Cost-Controlled Tool Selector. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Cost-Controlled Tool Selector Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_EcT3WLB2s90OH9keGSnCvbvlarTyEOUA0zFmootW/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 — Cost-Controlled Tool Selector capabilities are ready to use.
{
"mcpServers": {
"cost-controlled-tool-selector-mcp": {
"url": "https://edge.vinkius.com/vk_preview_EcT3WLB2s90OH9keGSnCvbvlarTyEOUA0zFmootW/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 Cost-Controlled Tool Selector owners ask.
- 01
How does the capability decide which variant is best?
The engine first filters all variants to find those that meet the min_accuracy requirement. From that subset, it selects the variant with the lowest estimated_cost_ms. If costs are tied, it selects the one with higher accuracy.
- 02
Can I see all capabilities that meet my accuracy needs?
Yes, you can use the list_qualified_variants capability to retrieve a list of all available variants that satisfy your minimum accuracy threshold.
- 03
What happens if no capability meets the accuracy requirement?
If no capability variants meet the specified min_accuracy, the select_optimal_variant capability will return an error indicating that no suitable variant was found.
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