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The real catalog of tools for AI agents

Google tells you what exists. Faceabot tells you what holds up.

44,737real tools
29,284callable over HTTPS
19,874measured
6,054proven reliable
Benchmark Email MCP by usefulapi Reliable (measured) · 100% over 30 checks

Manage Benchmark Email lists and contacts, and read campaign reports: opens, clicks, bounces.

MCP endpoint : https://benchmark-email.usefulapi.io/mcp · website · measurements and details
Emailable MCP by usefulapi Reliable (measured) · 100% over 24 checks

Verify email addresses with Emailable one by one or in batches, and read credits and batch results.

MCP endpoint : https://emailable.usefulapi.io/mcp · website · measurements and details
Buttondown MCP by usefulapi Reliable (measured) · 100% over 26 checks

Read Buttondown subscribers, emails, analytics and automations; add subscribers; write email drafts.

MCP endpoint : https://buttondown.usefulapi.io/mcp · website · measurements and details
Nylas MCP by usefulapi Reliable (measured) · 100% over 3 checks

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

MCP endpoint : https://nylas.usefulapi.io/mcp · website · measurements and details
Loops MCP by usefulapi Being measured · 100% over 2 checks

Manage Loops contacts, mailing lists, and transactional/event emails.

MCP endpoint : https://loops.usefulapi.io/mcp · website · measurements and details
Encharge MCP by usefulapi Reliable (measured) · 100% over 30 checks

Manage Encharge people, tags, segments and fields, and track events for email automation.

MCP endpoint : https://encharge.usefulapi.io/mcp · website · measurements and details
Customer.io MCP by usefulapi Being measured · 100% over 2 checks

Query people, segments, campaigns, and message deliveries; send transactional email or broadcasts.

MCP endpoint : https://customerio.usefulapi.io/mcp · website · measurements and details
Helpwise MCP by usefulapi Reliable (measured) · 100% over 26 checks

Read Helpwise conversations, contacts, tags and reports; note, tag, assign, close; send one email.

MCP endpoint : https://helpwise.usefulapi.io/mcp · website · measurements and details
Missive MCP by usefulapi Being measured · 100% over 2 checks

Read email/chat conversations, messages, contacts and teams; draft, send and update threads.

MCP endpoint : https://missive.usefulapi.io/mcp · website · measurements and details
Abstract API MCP by usefulapi Reliable (measured) · 100% over 24 checks

Validate emails, phones, IBAN, VAT; look up IPs and companies; rates, holidays, time via Abstract.

MCP endpoint : https://abstract-api.usefulapi.io/mcp · website · measurements and details
Bird MCP by usefulapi Being measured · 100% over 2 checks

Read SMS, WhatsApp, email, contacts and audiences from your Bird workspace, plus safe CRM writes.

MCP endpoint : https://bird.usefulapi.io/mcp · website · measurements and details
GetResponse MCP by usefulapi Being measured · 100% over 2 checks

Manage GetResponse contacts, campaigns, newsletters and autoresponders.

MCP endpoint : https://getresponse.usefulapi.io/mcp · website · measurements and details
Geoapify MCP by usefulapi Not measured yet

Geocode, reverse-geocode, autocomplete, route and search places.

MCP endpoint : https://geoapify.usefulapi.io/mcp · website · measurements and details
Kinde MCP by usefulapi Being measured · 100% over 2 checks

Users, organizations, roles, permissions, applications and feature flags.

MCP endpoint : https://kinde.usefulapi.io/mcp · website · measurements and details
HelpCrunch MCP by usefulapi Reliable (measured) · 100% over 3 checks

Manage HelpCrunch chats, customers, agents and knowledge-base articles.

MCP endpoint : https://helpcrunch.usefulapi.io/mcp · website · measurements and details
Accelo MCP by usefulapi Being measured · 100% over 2 checks

Manage Accelo companies, contacts, jobs, tasks, tickets and time.

MCP endpoint : https://accelo.usefulapi.io/mcp · website · measurements and details
Checkout.com MCP by usefulapi Being measured · 100% over 2 checks

Read Checkout.com payments, disputes, reports and payouts.

MCP endpoint : https://checkoutcom.usefulapi.io/mcp · website · measurements and details
Onfido MCP by usefulapi Reliable (measured) · 100% over 3 checks

Create and read Onfido applicants, documents, checks and reports.

MCP endpoint : https://onfido.usefulapi.io/mcp · website · measurements and details
Mixpanel MCP by usefulapi Being measured · 100% over 1 checks

Query Mixpanel events, funnels, retention, segmentation and insights (JQL).

MCP endpoint : https://mixpanel.usefulapi.io/mcp · website · measurements and details
Copper MCP by usefulapi Being measured · 100% over 2 checks

Read and write Copper CRM people, companies, opportunities and activities.

MCP endpoint : https://copper.usefulapi.io/mcp · website · measurements and details

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