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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18175 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
Website Change Monitor & Deterministic Diff

Deterministic webpage change detection, hashes and text diffs for recurring monitoring via x402 MCP.

Developer ToolsMonitoring & observability

Responded513 ms15 / 22
appdesigns App Store screenshots

App Store and Google Play screenshots MCP: your agent captures the app, you edit and export. Free.

Developer ToolsCode & DevOps

Outdated check514 ms15 / 22
Frasma

Read-only Frasma MCP: profile, knowledge search, diagnostic handoff. No email.

Developer ToolsCommunication & messaging

Outdated check519 ms15 / 22
Deploy to Agents

Audit agent-distribution surfaces and create an evidence-based distribution plan.

Developer ToolsCode & DevOps

Outdated check519 ms15 / 22
Hands for Agents

Human-operated physical world in the EU: make, assemble, measure, verify, ship.

Developer ToolsCode & DevOps

Outdated check520 ms15 / 22
Tripsy

Plan trips and manage itineraries, stays, transport, activities, expenses, and documents in Tripsy.

Developer ToolsFile & docs

Responded524 ms15 / 22
Article Content Extractor for AI Agents

x402 clean article text and metadata for AI/RAG. $0.002 per successful article.

Developer ToolsCode & DevOps

Responded525 ms15 / 22
Attic Standard

The global price benchmark for AI inference: 23 price indexes, market KPIs and SKU-level prices.

Developer ToolsCode & DevOps

Outdated check525 ms15 / 22
skillcheck

Check an agent skill before you install it: which of your skills will it clash with?

Developer ToolsCode & DevOps

Outdated check526 ms15 / 22
EOR Scope

Statutory employer cost by country, before any Employer of Record (EOR) fee.

Developer ToolsCode & DevOps

Outdated check529 ms15 / 22
Transita

Find the visa routes you qualify for in 16 countries, then track one on transita.app.

Developer ToolsCode & DevOps

Responded530 ms15 / 22
Yomio

Read Yomio expense, income, account, budget, and spending data in an MCP-compatible AI client.

Developer ToolsCode & DevOps

Outdated check534 ms15 / 22
GigHQ.ai

Job-search tracker for AI agents: applications, stale follow-ups, skills gaps, H-1B lookup.

Developer ToolsData access / search

Outdated check534 ms15 / 22
AirTreks MCP

Plan multi-city and RTW trips, estimate prices, and send complete trip requests to AirTreks.

Developer ToolsCode & DevOps

Outdated check535 ms15 / 22
Plain-AyI

Search a plain-English guide to open-source AI projects: what each does, cost and privacy.

Developer ToolsCode & DevOps

Outdated check537 ms15 / 22
xupersplit

Split shared expenses in a group — no account needed. See who owes whom and settle up.

Developer ToolsCode & DevOps

Outdated check538 ms15 / 22
PredictionScan

Derived prediction-market flow, price changes, trader research and news. 11 read-only tools.

Developer ToolsCode & DevOps

Outdated check538 ms15 / 22
useqr-mcp

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

Developer ToolsCode & DevOps

Outdated check542 ms15 / 22
Books & Papers MCP Server

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

Developer ToolsCode & DevOps

Outdated check543 ms15 / 22
aloha.fyi Hawaii

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

Developer ToolsCode & DevOps

Outdated check544 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

Outdated check548 ms15 / 22
McpStamp Asset Register

A fixed asset register with depreciation from bundled Polish KST, HMRC and IRS MACRS tables.

Developer ToolsCode & DevOps

Responded550 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

Outdated check552 ms15 / 22

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