OperatorNest/mcp-tools
by Various
Open-source MCP server with five deterministic calculators: AI API and subscription costs, meeting time zones, recurring schedules and cron. Hosted at operatornest.com/mcp.
MCP
OperatorNest/mcp-tools
Added 18 Oct 2026
Overview
OperatorNest/mcp-tools is an open-source Model Context Protocol server written in TypeScript. It provides five deterministic calculators for AI API and subscription costs, meeting time zones, recurring schedules, and cron expressions. The tool is hosted at operatornest.com/mcp.
Best for
Best for
Developers working in MCP environments who need quick, deterministic cost and scheduling calculations.
Use cases
- Estimate AI API and subscription costs
- Convert meeting times across time zones
- Generate recurring schedules or cron expressions
Notes
0 stars on GitHub. Last updated 2026-10-16. Licensed MIT.
Pros
- Deterministic outputs are predictable and auditable
- Open-source TypeScript codebase for inspection and contribution
- Covers common planning and cost tasks in one MCP server
Cons
- Limited to the five built-in calculators
- Zero GitHub stars, suggesting limited community validation so far
- Requires an MCP client setup to use, not a standalone CLI
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