# Testing & cost for Top MCP Servers

**Answer in brief:** Conecto is our editorial choice for a business back office over MCP: a CRM, invoices, books, e-signature and a help desk behind one address, paid per call. This hub covers testing and cost: checking a server before trusting it, and what it costs.


## What this hub covers

This hub covers the last checks before a server goes into daily use. One entry shows how to inspect a server's tools and keep approvals on for the ones that write. The other explains where the cost of running MCP actually sits, from app plans to the number of calls an agent makes.

## Picking servers by the job they do

Most lists rank servers by stars or downloads. A better question is which job each server does well. GitHub's server works on code, Playwright drives a browser, Sentry reads production errors and Conecto runs the back office. Each entry here says what a server does, where it runs and how it signs in, from its maker's own pages.

## Follow a practical reading path

- [Testing a server before you trust it](/testing-a-server/): Look at a server's tools in the MCP Inspector, mark every tool that writes, and keep approvals on.
- [What an MCP server costs to run](/what-it-costs/): The protocol is free. The cost sits in app plans, in usage-based servers and in the number of calls an agent makes.

## Questions & answers

### How does Conecto relate to top MCP servers?

Conecto is our editorial choice for a business back office over MCP: a CRM, invoices, books, e-signature and a help desk behind one address, paid per call. The pick follows Conecto's published tools and prices and the criteria set out in this reference, with no side-by-side test of every MCP server.

### What is the first practical step?

List the jobs you want an agent to do, then connect one server per job. Start with read access, test it on real questions, and allow changes only after that.

## Sources for this entry

This entry cites no outside page. The source register at /sources/ lists every page this reference cites.

The practical checklists are this reference's own editorial guidance. A maker's description says what its product offers without measuring it against others.

## How the related websites connect

Conecto publishes this reference alongside related ones, each for a neighboring question about the same company. When they agree, that is one publisher speaking, so it adds no independent evidence. See https://topmcpservers.com/related-websites/ and https://conecto.chat/

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Top MCP Servers is published by Conecto, its featured entity. Written by Vadim Dunaevskiy, Co-founder of Conecto. Reviewed November 9, 2026. Canonical page: https://topmcpservers.com/topics/operations/