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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2889 servers

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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
Digital Garden by Alicia — Notes

Search and read Alicia's English and Chinese notes on Houdini, Three.js, OpenUSD and AI workflows.

ProductivityAutomation & workflows

Outdated check92 ms13 / 22
Consistency Calendar

Turn any goal with a deadline into a private, gamified, evidence-based execution calendar.

Developer ToolsCode & DevOps

Outdated check95 ms13 / 22
Wagner Data: supplier catalogs to Shopify

Free Shopify product CSV checker + done-for-you supplier price list (PDF/Excel) to Shopify CSV.

E-commerceFile & docs

Outdated check97 ms13 / 22
Frameverb

Read-only discovery of Frameverb creative tasks and provider routes.

OtherOther

Responded103 ms13 / 22
Oh Fax

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

Developer ToolsFile & docs

Responded106 ms13 / 22
Money Maker x402 tools: EVM reads + AI tasks

x402 pay-per-call: EVM balances, tx decode, transfers; AI extract, classify, embed, speech, image

MediaPayments & trading

Outdated check106 ms13 / 22
Agent Email List — Free SMTP Relay for AI Agents

Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.

ProductivityCommunication & messaging

Outdated check107 ms13 / 22
Release Notes Index

Release notes and changelogs from across the web, indexed for agents. Also via CLI and REST API.

ProductivityCode & DevOps

Outdated check108 ms13 / 22
Electrik Slate

Read-only MCP for Electrik Slate: Blade component docs, blocks gallery, source, and llms.txt.

Developer ToolsCode & DevOps

Outdated check111 ms13 / 22
be.florealholidays/workspace

Floreal Holidays Belgium: live prices and availability; staff run M&E dossiers, day sheets, tasks.

OtherOther

Outdated check111 ms13 / 22
PageProof

PDF text by page with hashes. 0.005 USDC/Base via x402. No OCR. Check /health for readiness.

Finance & CryptoPayments & trading

Outdated check111 ms13 / 22
own-words

Turn notes into a study deck: answer each card in your own words, then compare.

Developer ToolsCode & DevOps

Outdated check112 ms13 / 22
de.vorortai/vorortai

Real-world tasks in Hamburg: quote, check service area, submit an enquiry for human review.

OtherOther

Outdated check116 ms13 / 22
Outdated check116 ms13 / 22
Invoice Table

Review invoice records, flag duplicates, validate totals, and prepare spreadsheet-safe CSV.

ProductivityFile & docs

Responded117 ms13 / 22
AllPDFMagic

PDF tools + invoice extraction, bank statement parsing, GST reconciliation & GSTIN validation.

Finance & CryptoPayments & trading

Responded119 ms13 / 22
AstraNL Crossing

Look before work, claim it, check a spend, mark the outcome. For agents sharing tasks. No key.

Developer ToolsCode & DevOps

Responded120 ms13 / 22
Chip MCP

Project memory, tasks and Telegram notifications for your coding agent. Chip account required.

Developer ToolsCommunication & messaging

Outdated check121 ms13 / 22
US Grow Zones

USDA hardiness zone, frost dates and vegetable planting calendar for any U.S. ZIP code.

ProductivityFile & docs

Outdated check127 ms13 / 22
Flowie Developer Docs

Search and read the Flowie Exchange API docs and OpenAPI contract. No sign-in needed.

LegalCode & DevOps

Responded129 ms13 / 22
Chatwoot MCP by usefulapi

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

ProductivityFile & docs

Responded129 ms13 / 22
RegLayer Instant Decision Briefs

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

OtherFile & docs

Responded130 ms13 / 22
CRE Events: Commercial Real Estate Conference Calendar

CRE conference calendar 2026-2027: search, compare, deadlines, role picks, calendar feeds.

Real Estate & PropertyData access / search

Outdated check132 ms13 / 22
YangOpen

Vietnamese-first text to speech, photo tools, Word to PDF and TCVN3/VNI fixes. Free daily allowance.

MediaAI / LLM tooling

Outdated check132 ms13 / 22

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