docs(library): update what-is-an-mcp-server

[icecrasher321]

Summary

• Refreshes the library post what-is-an-mcp-server (apps/sim/content/library/what-is-an-mcp-server/index.mdx).
• Title unchanged.
• A replacement article was merged into the existing post.
• Requested change: MERGE this material into the existing library post at library/what-is-an-mcp-server; do not swap out or overwrite the existing article wholesale. Keep every existing FAQ question verbatim unless it is factually wrong, every existing H2 and H3, every product mentioned or compared, every outbound cita…

Generated by the Library Post PR Updater workflow. Not built or tested locally. After the PR opens, the workflow content gate checks changed paths, frontmatter keys, FAQ placement, and internal links; CI check:library-content validates the post once it is enabled.

• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

[icecrasher321]

@cubic review

[icecrasher321]

@greptile

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1 Skipped Deployment

Project	Deployment	Actions	Updated
docs	Skipped		Oct 10, 2026 10:42pm UTC

[cubic-dev-ai]

@cubic review

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[cubic-dev-ai]

No issues found across 1 file

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

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[cubic-dev-ai]

No issues found across 1 file

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

<sub>Heads up: you’ve reached your flex budget. Increase your flex budget or wait for usage to reset.

Turn on auto-fix | Re-trigger cubic</sub>

[greptile-apps]

Confidence Score: 4/5

[Low impact] Updates documentation content and metadata.

The PR appears safe to merge, with one non-blocking FAQ cleanup.

Findings

1.  FAQ repeats the definition ▶

Summary

Expands the MCP article while preserving its existing content.

• Readers can follow what an MCP server offers and how calls move.
• Readers can compare MCP with APIs and learn how to build servers securely.
• Readers can see how Sim workflows become reusable MCP tools.

_{Reviews (1) · Last reviewed commit: "docs(library): update what-is-an-mcp-ser..." · Reviewed by Greptile}