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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2873 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
pracht docs

Search and read the pracht framework documentation: guides, recipes, and API reference.

Developer ToolsFile & docs

Outdated check102 ms14 / 22
trip2g

Serve a folder of Markdown notes as an MCP server: hybrid search, reading, and sourced answers.

Developer ToolsFile & docs

Responded105 ms14 / 22
ApproveKit

Audit apps against App Store, Google Play and Google OAuth review rules; get the required docs.

OtherOther

Outdated check106 ms14 / 22
@imqueue

Search @imqueue docs and scaffold typed services & clients from your AI coding agent.

Developer ToolsData access / search

Outdated check109 ms14 / 22
Jobbi Agent Gigs

Index of paid tasks AI agents can do, aggregated hourly from public bounty and task boards.

Developer ToolsCode & DevOps

Outdated check110 ms14 / 22
io.github.ChanMeng666/archlang-mcp

Floor plans as code: compile, lint and repair ArchLang (.arch) floor plans to SVG, DXF and PDF.

Developer ToolsCode & DevOps

Outdated check112 ms14 / 22
Workyard MCP by usefulapi

Read Workyard employees, projects, time cards and geofences; approve time cards and add notes.

ProductivityFile & docs

Outdated check118 ms14 / 22
Enchant MCP by usefulapi

Work with Enchant help desk tickets: list, read, reply, add notes and labels, manage customers.

ProductivityFile & docs

Outdated check118 ms14 / 22
DocRaptor MCP by usefulapi

Turn HTML or a live URL into polished PDF and Excel files — hosted downloads, async jobs, history.

Developer ToolsFile & docs

Outdated check122 ms14 / 22
TourCMS MCP by usefulapi

Read tours, departures, availability, bookings and payments; add booking notes in TourCMS.

Finance & CryptoPayments & trading

Outdated check127 ms14 / 22
Homerun MCP by usefulapi

Read Homerun vacancies, applications, notes and tags; move an application to a stage or add a note.

ProductivityFile & docs

Outdated check127 ms14 / 22
Chargebee MCP by usefulapi

Read Chargebee customers, subscriptions, invoices, items, transactions, credit notes and coupons.

Finance & CryptoPayments & trading

Outdated check129 ms14 / 22
McpStamp PDF Tools

Merge, split, extract, rotate, reorder and stamp PDF pages, and pull the text out of a PDF.

Developer ToolsCode & DevOps

Outdated check132 ms14 / 22
FieldEdge MCP by usefulapi

Read work orders, customers and invoices; create customers, notes and work orders in FieldEdge.

Finance & CryptoPayments & trading

Outdated check136 ms14 / 22
JobNimbus MCP by usefulapi

Manage JobNimbus contacts, jobs, tasks, estimates and invoices from chat.

Finance & CryptoPayments & trading

Outdated check137 ms14 / 22
Aryeo MCP by usefulapi

Manage real-estate media orders, appointments, listings, customers and tasks in Aryeo.

Real Estate & PropertyData access / search

Outdated check138 ms14 / 22
TextUs MCP by usefulapi

Read texts, contacts, campaigns and opt-outs; send SMS, add contacts and notes in TextUs.

ProductivityCommunication & messaging

Outdated check140 ms14 / 22
Domain Trust Check (DNS, Email Auth, TLS, Headers)

Check a domain's DNS, SPF/DMARC and TLS before trusting it. $0.003/call via x402.

Developer ToolsCommunication & messaging

Outdated check142 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
Gladly MCP by usefulapi

Find customers, read conversations, items and tasks; add internal notes in Gladly.

ProductivityFile & docs

Outdated check146 ms14 / 22
Plutio MCP by usefulapi

Manage Plutio clients, projects, tasks, time entries and invoices.

Finance & CryptoPayments & trading

Outdated check148 ms14 / 22
Unredactus metadata research

Search public document metadata and pinned snapshot provenance, excluding passages and identifiers.

Developer ToolsFile & docs

Responded149 ms14 / 22
Bird MCP by usefulapi

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

ProductivityCommunication & messaging

Outdated check150 ms14 / 22

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