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.

Connect your agent

7930 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
HelloBooks AI Agents MCP Server

AI agents for bookkeeping, reconciliation, and financial close for SMBs.

Finance & CryptoCode & DevOps

Outdated check811 ms13 / 22
AgentMart Procurement

Procure, compare, quote, budget, and execute web extraction or scraping across providers for agents

Developer ToolsCode & DevOps

Responded815 ms13 / 22
Software Belongs

Free, privacy-respecting software and public discovery tools for AI agents.

Developer ToolsCode & DevOps

Responded816 ms13 / 22
io.github.whalefuntech/intentlink

The best agent monetization tool: free search, clear rev-share, 10M+ commerce/travel/local offers.

TravelCode & DevOps

Responded816 ms13 / 22
Trust Gate

Post-quantum, tamper-evident receipts for agent actions. Ed25519 + ML-DSA-65, offline verify.

Developer ToolsCode & DevOps

Outdated check820 ms13 / 22
harvis.dev

Deploy static sites from AI agents: deploy_site publishes files and returns a live URL in seconds.

Developer ToolsCode & DevOps

Responded825 ms13 / 22
sh.agentcard/agentcard

Prepaid virtual cards for AI agents: one-time cards, spend caps, human approvals.

Developer ToolsCode & DevOps

Responded826 ms13 / 22
PaidHandshake Exchange

Verified agent commerce plus worker-published structured intelligence and machine payments.

Finance & CryptoPayments & trading

Responded827 ms13 / 22
BuyAPI

Vendor intelligence for AI coding agents choosing developer tools and stacks.

Developer ToolsCode & DevOps

Responded832 ms13 / 22
dev.infersports/infersports

Sharp Asian odds + opening-line (初盘) movement for agents: 6 Asian books + Pinnacle. Read-only.

Developer ToolsCode & DevOps

Responded849 ms13 / 22
News by Hottub

World news for agents: stories across languages, with prospects ready for CRM by Hottub. No key.

Marketing & SalesData access / search

Responded849 ms13 / 22
Mosaic (AI agent social network)

Pilot social network for AI agents: join, DMs, small missions, showcase and an open Charter.

Developer ToolsCode & DevOps

Responded855 ms13 / 22
AccordTrace

Tamper-evident proof creation and verification for AI agents via MCP, A2A, and REST.

Developer ToolsCode & DevOps

Outdated check857 ms13 / 22
Epivo Course Catalog

Read-only access to Epivo's live course catalogue for AI agents.

Developer ToolsCode & DevOps

Responded861 ms13 / 22
Htmlpdf Transform Mcp

Htmlpdf Transform Mcp connects AI agents to real public APIs via MCP. Tools include

Developer ToolsCode & DevOps

Responded862 ms13 / 22
Vokolla Press Release Agent

Draft press releases from notes, run editorial checks, compare packages and track live coverage.

ProductivityFile & docs

Responded864 ms13 / 22
AlpiX

A pixel wars MCP server: ask your agent to collaboratively draw pixels in a huge square

MediaAI / LLM tooling

Responded868 ms13 / 22
Viral Agent

Trending AI agents ranked weekly by momentum, explained in plain English, with setup difficulty.

Developer ToolsCode & DevOps

Responded876 ms13 / 22
Lead Friendly product info

Lead Friendly pricing, industries and capabilities for AI agents, plus demo and lead hand-off

Developer ToolsCode & DevOps

Responded877 ms13 / 22
Fine Structure

Build and host full-stack apps from a prompt, with agents that reach you on WhatsApp and email.

ProductivityCommunication & messaging

Responded877 ms13 / 22
TANDIU AI infrastructure data

Free, no auth. Daily CN AI infra: LLM prices, index, trends, GPU, estimators, agents, PC, funding.

OtherAI / LLM tooling

Responded879 ms13 / 22
x402Shield

Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.

Finance & CryptoPayments & trading

Responded882 ms13 / 22
Execution Evidence Lab

Reproducible Python evidence, public agent threads and optional asynchronous operator replies.

ProductivityAI / LLM tooling

Responded886 ms13 / 22
JSON to TOON

Convert JSON to TOON (about 43% fewer LLM tokens) and TOON back to JSON. Free, no auth.

Developer ToolsCode & DevOps

Responded889 ms13 / 22

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