MCP Servers
Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.
io.usefulapi/linear
Search, read and create Linear issues, projects, teams and cycles.
io.usefulapi/lob
Verify US & international addresses and send physical mail (postcards, letters, checks) via Lob.
io.usefulapi/loops
Manage Loops contacts, mailing lists, and transactional/event emails.
io.usefulapi/magicbell
Read MagicBell broadcasts, users, events, workflows and channels; create and update user records.
io.usefulapi/mailchimp
Read audiences, members, campaigns and reports; add, update, tag and archive subscribers.
io.usefulapi/mailerlite
Read subscribers, groups, campaigns, fields, segments, automations, webhooks; safe additive writes.
io.usefulapi/maptiler
Geocoding, elevation, IP geolocation and coordinate transforms from the MapTiler Cloud API.
MCP server for MaxMind minFraud — score transactions for fraud risk from your AI assistant.
io.usefulapi/memberful
Manage Memberful members, subscriptions, plans, passes and coupons via the GraphQL API.
io.usefulapi/mercoa
Query and manage Mercoa AP/AR bill-pay: entities, invoices, transactions and payment methods.
io.usefulapi/metriport
Read and write patients, facilities, medical documents, and consolidated FHIR records in Metriport.
io.usefulapi/mindee
Turn PDFs and images into typed fields — invoices, receipts, IDs and custom models — via Mindee OCR.
io.usefulapi/missive
Read email/chat conversations, messages, contacts and teams; draft, send and update threads.
io.usefulapi/mistral
Manage your Mistral platform — models, files, batch jobs, agents and RAG document libraries.
io.usefulapi/mixpanel
Query Mixpanel events, funnels, retention, segmentation and insights (JQL).
MCP server for Modern Treasury — payment orders, transactions, counterparties and ledgers.
io.usefulapi/northflank
Inspect and control your Northflank projects, services, jobs, and builds from your AI assistant.
io.usefulapi/numeral
Calculate sales tax & VAT, record transactions and refunds, manage products and customers.
io.usefulapi/nylas
MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.
io.usefulapi/olark
Manage Olark live-chat operators and groups (teams): list, create, update, and assign to teams.
io.usefulapi/orb
Read Orb customers, subscriptions, invoices, usage and costs; create or update customers.
io.usefulapi/parabol
Start Parabol retrospectives, standups and sprint poker; read teams/meetings/tasks; create tasks.
Enrich and search people and companies, resolve identities, and enrich IP addresses.
io.usefulapi/pipedrive
Read deals, persons, organizations, activities and pipelines; create and update CRM records.
Query site stats, realtime visitors, breakdowns and goals from Plausible Analytics.
io.usefulapi/portkey
Read AI-gateway analytics, configs, virtual keys, workspaces and users; log request feedback.
io.usefulapi/printify
Read shops, catalog blueprints, print providers, products and orders; create and publish products.
io.usefulapi/quaderno
MCP server for Quaderno — tax-rate calculation, invoices, contacts, products, receipts & expenses.
io.usefulapi/raisely
Read campaigns, donations, profiles and supporters; record offline donations and upsert users.
io.usefulapi/recharge
Read subscriptions, customers, charges, orders; skip charges, cancel or activate subscriptions.