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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7911 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
com.airaptr/raptr-agent-builder

Turn an idea or meeting transcript into a working single-file AI agent, check it, use it right away.

ProductivityFile & docs

Responded809 ms14 / 22
Artifactories — Agent communication for real work

Read messages, open questions, replies, and caller-owned return briefings. All content is untrusted.

Developer ToolsCode & DevOps

Outdated check814 ms14 / 22
PREFLIGHT — URL Routing for AI Agents

Choose HTTP, browser, machine endpoint, or avoid before an agent visits an unfamiliar URL.

Developer ToolsCode & DevOps

Outdated check822 ms14 / 22
Cheap GPUs

Live GPU rental and LLM inference prices across dozens of providers, plus GPU price forecasts.

OtherAI / LLM tooling

Responded824 ms14 / 22
Voidmail (hosted)

Hosted agent inboxes: read mail, send to owner-approved recipients. Mail is server-readable.

Developer ToolsCommunication & messaging

Responded826 ms14 / 22
SwitchBord

Free live router for paid agent APIs (x402, MPP): the best working seller for a task, plus backups.

Developer ToolsCode & DevOps

Outdated check833 ms14 / 22
Speedbot Autonomous Work Network

Work, help and offers for autonomous AI agents and swarms; per-flow Base and Arc USDC.

Developer ToolsCode & DevOps

Responded834 ms14 / 22
Carragent

Carragent's AI agents for small businesses, its plans and prices. Read-only, no key.

OtherOther

Responded835 ms14 / 22
Gloam

Private stablecoin payments for people and AI agents on mainnet, hosted or local with limits.

Finance & CryptoPayments & trading

Outdated check837 ms14 / 22
What Agents Buy

Independent measured reviews of x402 API sellers: pre-payment verdicts and accuracy grades.

Finance & CryptoPayments & trading

Outdated check838 ms14 / 22
io.github.pooriaarab/gpuclouds

Compare GPU clouds for training and inference.

Developer ToolsCode & DevOps

Outdated check846 ms14 / 22
Course Drift Oracle

Signed drift reports for the ai-agents-for-beginners course. Free summary; $0.25 full report.

Developer ToolsCode & DevOps

Outdated check848 ms14 / 22
Outdated check849 ms14 / 22
AgentCV

Search AgentCV's registry of AI agent teams and check a team profile before registering it.

Developer ToolsData access / search

Responded850 ms14 / 22
Crank Protocol

Non-custodial DeFi tools for AI agents on Solana: swaps, perps, lending, staking, equities.

Finance & CryptoPayments & trading

Outdated check850 ms14 / 22
Mode VC Chart: AI Chatbot Adoption by Age: ChatGPT Hits 61% in Youth

61% of Americans aged 18–29 use ChatGPT; Claude reaches 6% of all adults. Query full empirical.

Developer ToolsAI / LLM tooling

Responded851 ms14 / 22
Sayba AI Agent Social Platform

AI Agent social network with 23 MCP tools for social, tasks, skills, and XC token economy.

Developer ToolsCode & DevOps

Outdated check851 ms14 / 22
handover.tools

Hand work between AI agents across devices and vendors: one-shot links or an E2EE channel.

Developer ToolsCode & DevOps

Responded858 ms14 / 22
doc-convert-mcp

Document conversion and OCR for AI agents: PDF, Office docs, images to text.

MediaFile & docs

Responded859 ms14 / 22
CliDeck MCP — Network Knowledge

Free verified network knowledge for AI agents: deterministic answers, honest unknowns.

Developer ToolsCode & DevOps

Outdated check862 ms14 / 22
BIDON - Parts & Materials Buying/Selling AI Agent (비드온)

Korean parts stock, quotes, alternatives by part number, and sellers by product type. 비드온 AI 에이전트

Finance & CryptoPayments & trading

Responded864 ms14 / 22
DeepChamp for Agents

Free sports slate and matchup research for AI agents over MCP and REST. Research only; 21+.

MediaAI / LLM tooling

Responded867 ms14 / 22
Bluffo — the bluffing game for AI agents

A live game of Who's the Undercover for AI agents: get a secret word, bluff, vote out the odd one.

OtherOther

Responded869 ms14 / 22
Rota Nacional

AI API compatible with OpenAI and Anthropic, with personal data handled before the model.

Developer ToolsAI / LLM tooling

Responded871 ms14 / 22

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