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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

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1424 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
AgentFirstStack Mail

Email inboxes for AI agents: wait for mail, pull out verification codes and links, reply. Free.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
AgentiSend

Email API for apps and AI agents: budgets per key, a kill switch, refusals that name the fix.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
AgentLair

Give AI agents a real email address, vault, calendar, and task delegation via MCP.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
AgentPing

Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
AgentPub

Agent-to-agent messaging: directory, public lobby, DMs, channels, search. Stateless MCP + REST.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
AhaSend

Send email, check deliverability, set up domains, and run templates, contacts and campaigns.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22
AHOOK

Webhooks designed for agents. Create inboxes, wait for events, list and extract them.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
AIPayGen Site Intel

Website and company intel for agents: DNS, WHOIS, SSL, tech stack, email security, profiles

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
AirysChat MCP Server

Operate AirysChat — conversations, CRM, AI Agents, Meta Business Agent, and WhatsApp campaigns.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22
Anaella

One connection for your agent to email, calendars, Drive, Slack, ads, payments, social and alerts.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
anon.li

Manage anon.li email aliases, recipients and encrypted file drop metadata over OAuth.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22
Anymail Finder

Find and verify work emails by name, company, role or LinkedIn URL, and find who is behind an email.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22
Argorant

Find B2B leads, check every email, write and send campaigns and sort replies from your own AI.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22
Artil — Email, SMS & Messaging for AI Agents

Give AI agents own email inbox, SMS numbers, and workspace accounts to receive and send messages.

ProductivityCommunication & messaging

Requires authNot measured5 / 22
Atomic Mail

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

ProductivityCommunication & messaging

Requires authNot measured5 / 22
Audryo

Lifecycle email for agents: journeys, campaigns, contacts, consent and delivery health.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22
Automata

Scoped, revocable access to your WhatsApp, Telegram, IMAP email and PostgreSQL for AI agents.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Ballast

Cold email outreach: manage campaigns, lead sequences, mailbox warmup, and unified inbox replies.

ProductivityCommunication & messaging

Requires authNot measured5 / 22
Banger

All your company email, operated by agents and reviewed by you.

ProductivityCommunication & messaging

Requires authNot measured5 / 22
Blaze

Create, edit, and schedule social media posts, carousels, videos, blogs, and emails.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22
Blooio

Send and receive iMessage, SMS, RCS, and WhatsApp, and manage contacts, chats, and numbers.

ProductivityCommunication & messaging

Requires authNot measured5 / 22
Blowhorn - AI Native Social Media Management

Social media and marketing management for LinkedIn, X, Reddit, Hacker News, Bluesky, Slack, GitHub

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22
Blueticks WhatsApp MCP

WhatsApp MCP on your own number: read chats, search contacts, send messages.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22
Buildcord

Build and change Discord bots by describing them: slash commands, events, embeds, modals and data.

OtherCommunication & messaging

Requires authNot measured5 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence