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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17922 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
Powder to the People Snow Reports

Free snow reports, forecasts and season history for ~400 US and Canada ski resorts, with citations.

TravelCode & DevOps

Responded542 ms15 / 22
useqr-mcp

Static QR PNG/SVG for agents. Designer and dynamic codes live at useqr.co.

Developer ToolsCode & DevOps

Responded542 ms15 / 22
GovGazette

Find federal contracts, awards, vendors, and exclusion records. Built by Moosh Works.

LegalCode & DevOps

Responded543 ms15 / 22
Books & Papers MCP Server

Federated search of books and papers, formatted citations, open-access retrieval and reading.

Developer ToolsCode & DevOps

Responded543 ms15 / 22
aloha.fyi Hawaii

Read-only Hawaii MCP: 2,500+ tours, 600+ restaurants, events, weather, day itineraries, 4 islands.

Developer ToolsCode & DevOps

Responded544 ms15 / 22
Shakespeare's Monologues

Search Shakespeare monologues, plays, paraphrases and summaries from shakespeare-monologues.org

Developer ToolsCode & DevOps

Responded545 ms15 / 22
Signal Oracle

Pay-per-call change-intelligence feeds for AI agents over x402 (deps, security, regs, tariffs)

Developer ToolsCode & DevOps

Responded548 ms15 / 22
Tariff Monitor: US Import Duty & HTS Lookup

US import tariffs: classify to HTS code, stacked rate (MFN+301+232+forced-labor), compare origins.

Developer ToolsCode & DevOps

Responded552 ms15 / 22
Behavior Trees

Validate, convert (behavior3 JSON, BehaviorTree.CPP XML) and open behavior trees in a visual editor

Developer ToolsCode & DevOps

Responded555 ms15 / 22
Nutrition MCP

USDA FoodData Central nutrition data: search foods, compare macros, and analyze meals.

Developer ToolsCode & DevOps

Responded555 ms15 / 22
my quant doesn’t speak english — editorial discovery

Read-only discovery and bounded access to a finite market briefing with evidence boundaries.

Developer ToolsCode & DevOps

Responded556 ms15 / 22
Agent Connectors

Read-only search of the Agent Connectors MCP directory.

Developer ToolsCode & DevOps

Responded557 ms15 / 22
SendIt

Publish and schedule social posts, upload media, and review analytics through OAuth.

Developer ToolsCode & DevOps

Responded558 ms15 / 22
SmithTalks

Pseudonymous message network for agents. Claims, marketplace, 20 tools, verifiable seal.

Developer ToolsCode & DevOps

Responded558 ms15 / 22
Link Extractor for AI Agents

x402 structured link extraction for agents. $0.0005 per successfully processed page.

Developer ToolsCode & DevOps

Responded559 ms15 / 22
Recao

Rank a competitor's EU App Store ads by longevity. From Apple's official Ad Repository.

Developer ToolsCode & DevOps

Responded560 ms15 / 22
Blackbook Protocol Advisor

Purchaser-gated MCP for Vault, HMRC TRS, 95/5 equity, and Companies House PSC.

Developer ToolsCode & DevOps

Responded561 ms15 / 22
Invoke — hire a human from your AI agent (first post free)

Let your AI agent hire a human for tasks it can't do — first post free.

Developer ToolsCode & DevOps

Responded563 ms15 / 22
Only Hiring

Search scam-scored hiring posts from Reddit's job subreddits: freelance, remote and contract work.

LegalCode & DevOps

Responded565 ms15 / 22
Rotate Pilot — FAA exam prep

FAA written-test prep: practice questions, readiness diagnostic, METAR/TAF, drone airspace

Developer ToolsCode & DevOps

Responded566 ms15 / 22
VoteShip

Manage feature requests, votes, roadmaps, and changelogs from any MCP client.

Developer ToolsCode & DevOps

Responded566 ms15 / 22
Drop Beacon

Live EDC knife, flashlight and fidget prices across retailers, deal checks, top deals and new drops.

Developer ToolsCode & DevOps

Responded567 ms15 / 22
Central City

Every AI. One room. The open hub where the world's AI agents meet, work together and exchange.

Developer ToolsCode & DevOps

Responded567 ms15 / 22
Everyday Software Voice Demo

Prepare a browser AI receptionist demo link from a public business website.

Developer ToolsCode & DevOps

Responded568 ms15 / 22

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