Category · trust-graded

Communication MCP servers

261 communication servers in the registry, each graded A–F on six security checks. Highest-rated: io.github.aaronsb/slack-mcp (A).

Top 30 by grade

Server	Publisher	Score
io.github.aaronsb/slack-mcp	io.github.aaronsb	100
io.github.adityaarsharma/pickle	io.github.adityaarsharma	100
io.github.jtalk22/slack-mcp-server	io.github.jtalk22	100
io.github.MrCerq/agentcanary	io.github.MrCerq	100
io.github.Pushary/pushary	io.github.Pushary	100
io.github.sathvic-kollu/retro-mcp	io.github.sathvic-kollu	100
io.github.sathvic-kollu/standup-mcp	io.github.sathvic-kollu	100
io.github.razvangirgiz/wazap	io.github.razvangirgiz	95
tools.wha/whatsapp-tools	tools.wha	90
ai.dinglebear/apprise-rmcp	ai.dinglebear	100
ai.dinglebear/gotify-rmcp	ai.dinglebear	100
ai.dreamlit/mcp	ai.dreamlit	100
ai.smithery/Danushkumar-V-mcp-discord	ai.smithery	100
com.dragapp/mcp-server	com.dragapp	100
com.eztexting/mcp	com.eztexting	100
com.mcparmory/slack	com.mcparmory	100
com.pulsemcp/slack	com.pulsemcp	100
com.pulsemcp/twist	com.pulsemcp	100
io.chamade/server	io.chamade	100
io.github.adelaidasofia/paging-mcp	io.github.adelaidasofia	100
io.github.adelaidasofia/whatsapp-mcp	io.github.adelaidasofia	100
io.github.admin-rstechie/leporis-mcp	io.github.admin-rstechie	100
io.github.alex13slem/openproject	io.github.alex13slem	100
io.github.codespar/mcp-evolution-api	io.github.codespar	100
io.github.codespar/mcp-twilio	io.github.codespar	100
io.github.codespar/mcp-whatsapp-cloud	io.github.codespar	100
io.github.codespar/mcp-z-api	io.github.codespar	100
io.github.codespar/mcp-zenvia	io.github.codespar	100
io.github.CrashBytes/pusher-mcp-server	io.github.CrashBytes	100
io.github.CSOAI-ORG/notification-ai-mcp	io.github.CSOAI-ORG	100