MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1465 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
Propstack MCP by usefulapi

Read Propstack contacts, properties, projects, deals, tasks, events; create and update CRM records.

Marketing & SalesData access / search

Outdated check58 ms14 / 22
NewsMAN MCP by usefulapi

Read NewsMAN lists, subscribers, segments, newsletter and automation stats; manage subscribers.

Marketing & SalesAutomation & workflows

Outdated check58 ms14 / 22
Neon CRM MCP by usefulapi

Search Neon CRM accounts, donations, memberships and events; create accounts and activities.

Marketing & SalesData access / search

Outdated check58 ms14 / 22
myPhoner MCP by usefulapi

Work myPhoner calling lists and leads: search, log call outcomes, add, update and assign leads.

Marketing & SalesData access / search

Outdated check58 ms14 / 22
Keap MCP by usefulapi

List and create Keap contacts, companies, tasks, opportunities, orders, tags and campaigns.

Marketing & SalesData access / search

Outdated check58 ms14 / 22
Emma MCP by usefulapi

Read audiences, groups, mailings and campaign results without sending email or changing contacts.

Marketing & SalesCommunication & messaging

Outdated check59 ms14 / 22
Pipedrive MCP by usefulapi

Read deals, persons, organizations, activities and pipelines; create and update CRM records.

Marketing & SalesData access / search

Outdated check60 ms14 / 22
Formitize MCP by usefulapi

Read jobs, form templates, submitted forms and assets; create and update CRM tasks in Formitize.

Marketing & SalesData access / search

Outdated check60 ms14 / 22
Customer.io MCP by usefulapi

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

Marketing & SalesCommunication & messaging

Outdated check60 ms14 / 22
Laposta MCP by usefulapi

Read Laposta lists, members, campaigns and reports; add members and build campaigns.

Marketing & SalesData access / search

Outdated check61 ms14 / 22
IDX Broker MCP by usefulapi

Read IDX Broker leads, agents, listings and MLS data; create and update leads and notes.

Marketing & SalesData access / search

Outdated check61 ms14 / 22
EmailOctopus MCP by usefulapi

Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.

Marketing & SalesData access / search

Outdated check70 ms14 / 22
Rewardful MCP by usefulapi

Browse affiliates, referrals, commissions and payouts, and set up campaigns and affiliates.

Marketing & SalesData access / search

Outdated check80 ms14 / 22
GrowthKit Revenue Intelligence

Sales intelligence for B2B SMEs — lead scoring, ICP fit, CRM enrichment & writeback.

Marketing & SalesData access / search

Outdated check87 ms14 / 22
Smart Glasses Atlas

Smart glasses research and regional buying links; affiliate links may earn commission.

Marketing & SalesCode & DevOps

Responded90 ms14 / 22
Smart Rings Atlas

Smart ring research and regional buying links; affiliate links may earn commission.

Marketing & SalesCode & DevOps

Responded98 ms14 / 22
Raisely MCP by usefulapi

Read campaigns, donations, profiles and supporters; record offline donations and upsert users.

Marketing & SalesData access / search

Outdated check104 ms14 / 22
Enpitech

AgentReady website scans for AI agents, AI Hub search, newsletter and contact, from Enpitech.

Marketing & SalesCode & DevOps

Outdated check113 ms14 / 22
MailerLite MCP by usefulapi

Read subscribers, groups, campaigns, fields, segments, automations, webhooks; safe additive writes.

Marketing & SalesAutomation & workflows

Outdated check120 ms14 / 22
Moosend MCP by usefulapi

Inspect Moosend lists, subscribers, segments and campaign stats, and add or unsubscribe subscribers.

Marketing & SalesData access / search

Outdated check128 ms14 / 22
Patreon MCP by usefulapi

Read campaigns, tiers, patrons, posts and profile details in Patreon.

Marketing & SalesData access / search

Outdated check142 ms14 / 22
noCRM.io MCP by usefulapi

Read noCRM.io leads, pipeline steps, comments and client folders; create, update and assign leads.

Marketing & SalesData access / search

Outdated check143 ms14 / 22
fnlowl

Read and manage fnlowl widgets, leads, email sequences and analytics from an AI assistant.

Marketing & SalesCommunication & messaging

Outdated check145 ms14 / 22
Enerflo MCP by usefulapi

Read customers, installs, tasks and notes; add leads and notes in Enerflo.

Marketing & SalesData access / search

Outdated check145 ms14 / 22

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