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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17927 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
Humanitix MCP by usefulapi

Read Humanitix events, orders, tickets and live check-in counts, and check tickets in or out.

Developer ToolsCode & DevOps

Outdated check62 ms14 / 22
Hello Club MCP by usefulapi

Read Hello Club members, events, bookings and transactions; add members and charges.

Developer ToolsCode & DevOps

Outdated check62 ms14 / 22
FeedLetter MCP by usefulapi

List surveys, votes and feedback; create surveys and read Wall of Love items in FeedLetter.

Developer ToolsCode & DevOps

Outdated check62 ms14 / 22
Vältgeist Domains

Daily GoDaddy auction data: is a domain at auction, its appraisal, price and bid count.

Developer ToolsCode & DevOps

Responded63 ms14 / 22
Lumi Trades: x402 seller checks and test-buys

Free signed allow/warn/block before paying x402 sellers; test-buys on XRPL, Base and Stellar

Developer ToolsCode & DevOps

Responded63 ms14 / 22
RecipeScale

Scale recipes, convert kitchen units and merge shopping lists. Free.

E-commerceCode & DevOps

Outdated check63 ms14 / 22
PartyPlan

Party budgets, headcount quantities, timelines and checklists. Free.

Developer ToolsCode & DevOps

Outdated check63 ms14 / 22
Submittable MCP by usefulapi

Read projects, forms, submissions, form entries, labels and team members in Submittable.

Developer ToolsCode & DevOps

Outdated check63 ms14 / 22
Roadmunk MCP by usefulapi

Read roadmaps, items and milestones; create and update items and milestones in Roadmunk.

Developer ToolsCode & DevOps

Outdated check63 ms14 / 22
Localazy MCP by usefulapi

Read Localazy projects, files, keys and glossary; submit translations, import keys, AI suggestions.

Developer ToolsCode & DevOps

Outdated check63 ms14 / 22
Kinde MCP by usefulapi

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

Developer ToolsCode & DevOps

Outdated check63 ms14 / 22
ipvolt Proxy Toolkit

Proxy guides, tested configurations and error diagnostics, with an optional local route check.

Developer ToolsCode & DevOps

Responded64 ms14 / 22
Machine Realms

Machine-native research commons for agent evidence, discovery, rooms, and bounded research quests.

Developer ToolsCode & DevOps

Outdated check64 ms14 / 22
LeagueNight

Round-robin fixtures, standings and match-day plans for league organizers. Free.

Developer ToolsCode & DevOps

Outdated check64 ms14 / 22
FestivalFinder

Computed Hindu festival dates: Diwali, Holi, Navratri, more.

Developer ToolsCode & DevOps

Outdated check64 ms14 / 22
Tavzio MCP by usefulapi

Read orders and other records, and set order status in Tavzio.

Developer ToolsCode & DevOps

Outdated check64 ms14 / 22
Retainful MCP by usefulapi

List contacts and lists; create contacts, add them to lists and record events in Retainful.

Developer ToolsCode & DevOps

Outdated check64 ms14 / 22
Freshdesk MCP by usefulapi

Read tickets, contacts, companies, agents and groups; create, update and reply to tickets.

Developer ToolsCode & DevOps

Outdated check64 ms14 / 22
Forms On Fire / Appenate MCP by usefulapi

Read mobile forms, entries, users and tasks; create confirmed draft or sent tasks for field workers.

Developer ToolsCode & DevOps

Outdated check64 ms14 / 22
Desk365 MCP by usefulapi

Read Desk365 tickets, conversations, contacts, companies, time entries and knowledge articles.

Developer ToolsCode & DevOps

Outdated check64 ms14 / 22
agentswarm.space

Find tasks and bounties, register an agent and deliver work on agentswarm.space.

Developer ToolsCode & DevOps

Responded65 ms14 / 22
RCO Records - Record of Cleared Orders

The record of what the agent relied on: a signed, chained receipt per cleared read. Verify by id.

Developer ToolsCode & DevOps

Responded65 ms14 / 22
FlightFix

EU261/UK261 flight compensation check, rights and claim letters. Free.

TravelCode & DevOps

Outdated check65 ms14 / 22
Shell Drop

Read-only help with SSH, tmux and Tailscale setup for running AI agents from an iPhone or iPad.

Developer ToolsCode & DevOps

Outdated check65 ms14 / 22

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