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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18058 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
TokenBel Financial Data

Read-only MCP server for Belarusian securities: tokens, shares, bonds, companies.

Developer ToolsCode & DevOps

Outdated check129 ms14 / 22
Let Agents In

Scan agent readiness, or find measured providers an unattended AI agent can finish with.

Developer ToolsCode & DevOps

Responded130 ms14 / 22
ToolScout Software Recommendation

Which software to buy: shortlists, comparisons and alternatives with reasons and recorded prices.

Developer ToolsCode & DevOps

Outdated check130 ms14 / 22
Gkmex Crane Inventory

Public, zero-auth, read-only access to Gkmex used-crane inventory.

Developer ToolsCode & DevOps

Outdated check130 ms14 / 22
ChronoKey

MCP tools: timestamps, UUID v4, gas prices, domain WHOIS, text extraction, and persistent memory.

Developer ToolsCode & DevOps

Outdated check130 ms14 / 22
HMI Import Preflight

Independent static checks for supported tag and alarm CSV import formats; no HMI or PLC access.

Developer ToolsCode & DevOps

Outdated check130 ms14 / 22
UV Index Today MCP

Today's UV Index forecast by US ZIP code or city, with hourly peak and UV Alert, from EPA and NWS.

Developer ToolsCode & DevOps

Outdated check130 ms14 / 22
Address to Census Tract MCP

US address to census tract, block group, county FIPS and districts, from the Census Geocoder.

GovernmentCode & DevOps

Outdated check130 ms14 / 22
MCP x402 - Evidence-Backed Web Verification

Evidence-backed pre-purchase checks for offer terms, seller trust and policy compliance.

Developer ToolsCode & DevOps

Outdated check130 ms14 / 22
MCPFax Reliability

Before you pay an endpoint you cannot vouch for: credit grade, drift and preflight.

Developer ToolsCode & DevOps

Responded131 ms14 / 22
vorausgedacht.at

Edelmetallkurse, MarktWache, gemeinfreie Bücher, unverbindlicher Rückruf-Service aus Österreich

Developer ToolsCode & DevOps

Responded131 ms14 / 22
ToolVet

The vetted directory of paid APIs and MCP servers for AI agents.

Developer ToolsCode & DevOps

Responded132 ms14 / 22
io.github.f-tiger/agiscorecard-web3-permit

Review declared AI data permissions, expiry and regions; model revenue splits without moving funds.

Developer ToolsCode & DevOps

Responded132 ms14 / 22
ImpactLine public research

Search public laws and implementation evidence with sources, scope limits and dated coverage.

Developer ToolsCode & DevOps

Responded132 ms14 / 22
RegEvidenceHub CableCert

Independent owner-side QA for structured-cabling certification closeout evidence.

Developer ToolsCode & DevOps

Outdated check132 ms14 / 22
RenooLab - artisans in France

Find French tradespeople, plan multi-trade projects, submit moderated contacts, create profiles.

Developer ToolsCode & DevOps

Outdated check132 ms14 / 22
Agent Service Exchange

Find providers; send authorised installation or cleaning enquiries in Vienna. No customer account.

Developer ToolsCode & DevOps

Outdated check133 ms14 / 22
EU Safety Gate Product Recalls

Is this product recalled in the EU? 46,506 official Safety Gate alerts by GTIN, brand or name.

Developer ToolsCode & DevOps

Outdated check133 ms14 / 22
io.github.tinygodsdev/word-aligner

Turn a phrase and its translation into a shareable word-alignment diagram.

Developer ToolsCode & DevOps

Outdated check133 ms14 / 22
Cloudhil

Flash pre-built STM32/LPC ELFs on real Nucleo/Discovery boards over HTTPS. Does not compile.

Developer ToolsCode & DevOps

Outdated check133 ms14 / 22
Bidsketch MCP by usefulapi

Read Bidsketch clients, proposals, fees and templates; create and update clients, proposals, fees.

Developer ToolsCode & DevOps

Responded134 ms14 / 22
MCP Selection Lab

Benchmark MCP tool selection with metadata-only routing, collision, abstention, and holdout checks.

Developer ToolsCode & DevOps

Outdated check134 ms14 / 22
Atlas of Plant Based: PCT data

Read-only Pacific Crest Trail data: legs by trail mile, towns, passes and lakes, and vegan resupply.

Developer ToolsCode & DevOps

Outdated check134 ms14 / 22
Muslim Prayer Reminder MCP

Production-ready Muslim prayer reminder MCP with astronomical precision and theological disclosure.

Developer ToolsCode & DevOps

Outdated check134 ms14 / 22

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