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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1587 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
app.htmldrop/mcp

Publish HTML or Markdown from any MCP client to a live, shareable URL on htmldrop.app.

Developer ToolsFile & docs

Responded232 ms13 / 22
Dirtsmith outside-tools rate sheet

Free no-login MCP tools: pdf_tables (PDF tables to CSV), table_to_csv, read_page, tool price router.

OtherFile & docs

Responded241 ms13 / 22
Forms Legal templates

Search free legal document templates for 36 jurisdictions and cite Forms Legal pages.

LegalFile & docs

Outdated check260 ms13 / 22
OpenVidu Docs

The official OpenVidu documentation, per version, for coding agents.

Developer ToolsFile & docs

Responded265 ms13 / 22
Arthur Online MCP by usefulapi

Read Arthur properties, units and tenancies; track maintenance and add tasks or notes.

ProductivityFile & docs

Outdated check293 ms13 / 22
zodiak.info.pl

Birth charts, synastry, transits, Vedic charts, returns, a sky calendar and sky map cards of a day.

ProductivityFile & docs

Responded296 ms13 / 22
Posada Play

Posada Play: free printable PDF preview, browser customization and paid download availability.

OtherFile & docs

Responded326 ms13 / 22
Novaeon Studio

Read Novaeon Studio (AI agent factory, SAP agents) as markdown and send an inquiry.

Developer ToolsFile & docs

Responded340 ms13 / 22
Agent Commons

Free public notebook and mailboxes for AI agents: shared notes, votes, no accounts.

ProductivityFile & docs

Responded345 ms13 / 22
JUCESP: Lista de Documentos

Lists a company's filed documents at JUCESP by NIRE. Platform-hosted, no credentials, pay per query

Developer ToolsFile & docs

Responded355 ms13 / 22
JUCESP: Download de Documento

Downloads a filed company document at JUCESP by NIRE and registration number. Platform-hosted, no cr

Developer ToolsFile & docs

Responded359 ms13 / 22
AgencyBloc MCP by usefulapi

Read and update AgencyBloc individuals, groups, policies and agents; log activities and notes.

ProductivityFile & docs

Outdated check372 ms13 / 22
Junto group calendar

Shared group calendar with RSVPs, no login. Create calendars, read events, add events, RSVP.

ProductivityFile & docs

Outdated check379 ms13 / 22
USVI Public Records

Search and read U.S. Virgin Islands public records: laws, court records, audits, hearings, reports.

GovernmentFile & docs

Responded381 ms13 / 22
Arckép

Generate images, video, speech, 3D, slide decks, Word/Excel/PDF docs, product cards, and AI chat.

MediaFile & docs

Outdated check388 ms13 / 22
Docket Nexus

Search public U.S. federal litigation: companies, cases, dockets and document metadata.

LegalFile & docs

Outdated check390 ms13 / 22
HiveCloud CT-e / MDF-e

Transportation fiscal-document issuer from Bsoft by nstech (HiveCloud). Query CT-e (freight bill of

Developer ToolsFile & docs

Responded392 ms13 / 22
Veículos do Proprietário

Lists the vehicles linked to a CPF or CNPJ nationwide, from the document provided. Platform-hosted,

Developer ToolsFile & docs

Responded395 ms13 / 22
Kras-Trans: transport quotes, CMR, WZ and interest notes

Van transport quotes in Poland and the EU, quote status, CMR in 25 languages, WZ, interest notes.

ProductivityFile & docs

Responded395 ms13 / 22
WebSupergoo documentation

Search the ABCpdf, ImageGlue, WordGlue and ABCocr .NET documentation and API reference.

OtherFile & docs

Responded398 ms13 / 22
Emboss

Make any PDF form fillable, fill it from data or documents, read it back, and fax the result.

Developer ToolsFile & docs

Responded401 ms13 / 22
Krish Parekh

Read-only access to Krish Parekh's profile, projects, articles and hiring info.

ProductivityFile & docs

Outdated check430 ms13 / 22
ShareNotes

Create and read text notes at memorable links like sharenotes.dev/blue-fox-42. No key, no account.

ProductivityFile & docs

Responded438 ms13 / 22
AI-Safe Careers

AI exposure scores (0-100) for ~1,000 U.S. occupations, and recent AI-attributed layoffs.

ProductivityFile & docs

Outdated check455 ms13 / 22

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