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10 picks · ranked by GitHub stars

Best MCP servers for communication

The best MCP servers for communication are Strata, Zotero MCP and Vexa; Strata leads with 5,828 GitHub stars and is published by the vendor itself.

The list covers 36 MCP servers in the appsgit catalog, one entry per repository.

Updated · data from GitHub, refreshed daily

Top picks

  1. Rank 1:

    Strata

    Klavis-AI/klavis

    MCP server for progressive tool usage at any scale (see https://klavis.ai).

    Maintained · last commit Jun 1, 2026

    OfficialCommunicationPython

    Stands out for the most GitHub stars. Strata has 5,828 GitHub stars, is published by the vendor itself and runs without an API key.

  2. Rank 2:

    Zotero MCP

    54yyyu/zotero-mcp

    Search, read, annotate, and add to your Zotero research library, local or web.

    Active · last commit Oct 16, 2026

    CommunicationPython

    Stands out for a permissive MIT license. Zotero MCP has 5,617 GitHub stars and needs an API key or token.

  3. Rank 3:

    Vexa

    Vexa-ai/vexa

    Meeting bot and transcripts for Google Meet, Teams and Zoom.

    Active · last commit Oct 9, 2026

    OfficialCommunicationPython

    Stands out for being published by the vendor itself. Vexa has 2,922 GitHub stars, is published by the vendor itself and needs an API key or token.

At a glance

MCP servers for communication compared

Ranked by GitHub stars, at most one entry per repository so one project cannot fill the list. Only projects that are MCP servers: listed in the official MCP registry, or described or tagged as an MCP server by the project itself. MCP clients and AI agents that merely support MCP are left out.

Top 10 picks compared, data as of Oct 28, 2026
AppStands out forLicenseGitHub starsLast commitAPI key
Stratathe most GitHub starsApache-2.05,828Jun 1, 2026Not needed
Zotero MCPa permissive MIT licenseMIT5,617Oct 16, 2026Needed
Vexabeing published by the vendor itselfApache-2.02,922Oct 9, 2026Needed
MCP Server for WinDbg Crash Analysisrunning without an API keyMIT1,633Oct 23, 2026Not needed
Wassetteits Rust codebaseMIT971Oct 27, 2026Not needed
Line Bot MCP Server–Apache-2.0793Oct 28, 2026Needed
Photoshop MCP–MIT755Oct 20, 2026Not needed
Sv Number MCP Server–MIT534Aug 10, 2026Needed
Beever Atlas–Apache-2.0451Jul 1, 2026Not needed
MCP Teams Server–Apache-2.0450Oct 20, 2026Not needed

Full ranking

All 10 picks, ranked

Ranked by GitHub stars, at most one entry per repository so one project cannot fill the list. Only projects that are MCP servers: listed in the official MCP registry, or described or tagged as an MCP server by the project itself. MCP clients and AI agents that merely support MCP are left out.

  1. 1

    Strata

    MCP server for progressive tool usage at any scale (see https://klavis.ai).

    Stands out for the most GitHub stars. Strata has 5,828 GitHub stars, is published by the vendor itself and runs without an API key.

  2. 2

    Zotero MCP

    Search, read, annotate, and add to your Zotero research library, local or web.

    Stands out for a permissive MIT license. Zotero MCP has 5,617 GitHub stars and needs an API key or token.

  3. 3

    Vexa

    Meeting bot and transcripts for Google Meet, Teams and Zoom.

    Stands out for being published by the vendor itself. Vexa has 2,922 GitHub stars, is published by the vendor itself and needs an API key or token.

  4. 4

    MCP Server for WinDbg Crash Analysis

    A Model Context Protocol server for Windows crash dump analysis using WinDbg/CDB.

    Stands out for running without an API key. MCP Server for WinDbg Crash Analysis has 1,633 GitHub stars and runs without an API key.

  5. 5

    Wassette

    Wassette: A security-oriented runtime that runs WebAssembly Components via MCP.

    Stands out for its Rust codebase. Wassette has 971 GitHub stars, is published by the vendor itself and runs without an API key.

  6. 6

    Line Bot MCP Server

    MCP server that integrates the LINE Messaging API to connect an AI Agent to the LINE Official Account.

    Line Bot MCP Server has 793 GitHub stars, is published by the vendor itself and needs an API key or token.

  7. 7

    Photoshop MCP

    MCP server for Adobe Photoshop — 128 tools (generative AI + recipes), standalone web UI.

    Photoshop MCP has 755 GitHub stars and runs without an API key.

  8. 8

    Sv Number MCP Server

    Phone numbers for AI agents: order a private number, read the SMS verification code, hand it back.

    Sv Number MCP Server has 534 GitHub stars and needs an API key or token.

  9. 9

    Beever Atlas

    Open-source LLM knowledge base: team chat into a typed knowledge graph and auto-generated wiki.

    Beever Atlas has 451 GitHub stars and runs without an API key.

  10. 10

    MCP Teams Server

    An MCP (Model Context Protocol) server implementation for Microsoft Teams integration, providing capabilities to read messages, create messages, reply to messages, mention members.

    MCP Teams Server has 450 GitHub stars and runs without an API key.

FAQ

Questions and answers

Still curious? Email info@appsgit.com.

Do these MCP servers need an API key?

4 of the 10 picks need an API key or token, for example Zotero MCP; 6 run without one. Each page on appsgit lists the environment variables a MCP server expects.

Which AI clients work with these MCP servers?

Claude Code (all), Cursor (all), VS Code (all) and Claude Desktop (8 of 10). The client list comes from each project's published transport and package data; appsgit does not guess it.

Are any of these MCP servers official?

Yes: Strata, Vexa and Wassette and 1 more are published by the vendor themselves.

How is this list ranked?

Ranked by GitHub stars, at most one entry per repository so one project cannot fill the list. Only projects that are MCP servers: listed in the official MCP registry, or described or tagged as an MCP server by the project itself. MCP clients and AI agents that merely support MCP are left out.

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