MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

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
Zovo Document Compare

Compare two documents for differences and see each word that changed, not a summary.

Developer ToolsFile & docs

Responded110 ms12 / 22
intaern jobs

Open physiotherapy jobs in Germany from practice careers pages, with 60-second apply links.

ProductivityFile & docs

Outdated check110 ms12 / 22
RegLayer Instant Decision Briefs

Company-specific regulatory assessments for concrete business questions, as structured data or PDF.

OtherFile & docs

Outdated check110 ms12 / 22
Tamgara

Fill in 1,000+ legal PDF templates in many languages, get a signed PDF back. Free, no API key.

LegalFile & docs

Outdated check115 ms12 / 22
com.auto-reader/ocr

Arabic-first OCR, translation and document extraction. First call mints a free trial key.

OtherFile & docs

Responded117 ms12 / 22
Oh Fax

Outbound US/CA fax for agents: quote PDF, pay via MPP, get delivery receipt.

Developer ToolsFile & docs

Outdated check117 ms12 / 22
blicht MCP

blicht.com knowledge platform: full-text search + Markdown articles (e-commerce, AI, lifestyle)

E-commerceFile & docs

Responded118 ms12 / 22
Zovo PDF Images

Extract the images embedded in a PDF document into one ZIP file, right in the chat.

MediaFile & docs

Responded124 ms12 / 22
Responded125 ms12 / 22
DocuGrip

Find the right PDF tool for any task and get the link. Your document never reaches the server.

Developer ToolsFile & docs

Responded128 ms12 / 22
Jobroulette

Jobs in Germany, Austria and Switzerland matched to your resume.

ProductivityFile & docs

Outdated check128 ms12 / 22
Zovo Photo to PDF

Turns JPG and PNG images into one PDF document.

MediaFile & docs

Responded130 ms12 / 22
Structura JSON Diff

Developer utility for comparing two strict JSON documents.

Developer ToolsFile & docs

Responded131 ms12 / 22
MCPFax Agent Continuity

Resume the work, not the conversation. A checkpoint by one model is resumable by another.

ProductivityFile & docs

Outdated check131 ms12 / 22
Chatwoot MCP by usefulapi

Read conversations and contacts; add replies or notes, set status and assign in Chatwoot.

ProductivityFile & docs

Outdated check134 ms12 / 22
Zovo Use Case Diagram

Turn a few lines of text into a UML use case diagram document, and check it.

Developer ToolsFile & docs

Responded135 ms12 / 22
Private AI Tools

Find the right free browser tool (PDF, image, video, audio, developer) and its link.

MediaFile & docs

Responded139 ms12 / 22
Zovo Invoice Reader

Turns invoice PDFs into one spreadsheet and checks the tax, totals and money math of each invoice.

Finance & CryptoFile & docs

Responded141 ms12 / 22
tinytoolbox

PDF tools + QR over MCP: merge, split, rotate, text, metadata, malicious-content scan.

Developer ToolsFile & docs

Responded143 ms12 / 22
DeveloperHub Docs

Search DeveloperHub's own documentation. Every docs site hosted on DeveloperHub serves one at /mcp

Developer ToolsFile & docs

Outdated check144 ms12 / 22
Boring API

Deterministic data tools: price list diff, PDF tables, feed validation, data mapping, table diff

OtherFile & docs

Outdated check146 ms12 / 22
Comitelligence — EU Comitology Register

Agent-native search of EU comitology: committees, votes, dossiers, and implementing-act documents.

Developer ToolsFile & docs

Responded149 ms12 / 22
Revexa: B2B buying signals

B2B buying signals: companies hiring salespeople, startups hiring sales, weekly funding rounds.

ProductivityFile & docs

Responded152 ms12 / 22
Agent Exchange by Shekkizh

Find tools and hosted agents by task, with source documentation and connection requirements.

Developer ToolsFile & docs

Responded153 ms12 / 22

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