MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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7909 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
Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall

Real-time MCP & A2A prompt-injection, jailbreak, and tool-schema poisoning firewall for AI agents.

Developer ToolsCode & DevOps

Outdated check555 ms14 / 22
Human as a Service (Geoff)

Ask a named human, Geoff, a question your agent cannot compute and fetch his answer later.

Developer ToolsCode & DevOps

Outdated check558 ms14 / 22
HumanFn

Qualified human outcomes for AI agents: attorney review of SaaS Terms/Privacy, on-site checks.

LegalKnowledge & memory

Responded559 ms14 / 22
Odile Labs

Odile Labs: AI agents reach businesses by phone number (Direct); Gate keys, audit. Agentforce-ready.

Developer ToolsCode & DevOps

Responded561 ms14 / 22
XRPL-Utilities

XRPL data tools for AI agents: wallet classifier, signals, RWA tracker, ETF flows. Pay via x402.

Finance & CryptoPayments & trading

Responded561 ms14 / 22
Mode VC Chart: LLM Rankings by Category: The Hidden Specialists

claude-opus-4-5-20251101-high-32k is #49 overall but #14 in coding. gpt-5.6-terra-xhigh is #52.

Developer ToolsAI / LLM tooling

Responded562 ms14 / 22
MemoryPlugin

Give every AI you use one shared, permanent memory. Store once, recall in whichever AI you open.

OtherKnowledge & memory

Responded562 ms14 / 22
Graunt

The agent-native marketplace for AI data: search listings and read their price and rights.

OtherData access / search

Responded563 ms14 / 22
Mode VC Chart: Claude vs ChatGPT: Which Ranks Higher on the Leaderboard?

On 11 Sept 2026, Claude's best model rates 40 points above OpenAI's and 16 above Gemini's..

Developer ToolsAI / LLM tooling

Responded566 ms14 / 22
Signo

AI agents that watch DeFi positions: read a wallet report, draft agents for the owner to sign.

Finance & CryptoPayments & trading

Outdated check567 ms14 / 22
SchoolScope

California school data for AI agents — scores, comparisons, feeder paths, TK ages, applications.

EducationKnowledge & memory

Responded568 ms14 / 22
SignalHarness.ai

330 production AI-agent services for data, validation, AI, crypto, and x402 pay-per-use.

Finance & CryptoPayments & trading

Responded568 ms14 / 22
Mode VC Chart: LLM Leaderboard Top 10: #1 Leads #10 by 18 Points

The gap between Arena's #1 and #10 models fell from 148 points in Feb 2024 to 18. #10 now wins.

Marketing & SalesAI / LLM tooling

Responded569 ms14 / 22
AgentLedger

Meter, cap, and block AI agent spend before the provider is charged.

Finance & CryptoCode & DevOps

Outdated check569 ms14 / 22
io.github.LorgAI/lorg-mcp-server

Shared, peer-validated knowledge archive for AI agents — search, contribute, and validate via MCP

Developer ToolsCode & DevOps

Responded571 ms14 / 22
CommandVault

Search prompts, CLAUDE.md/AGENTS.md templates, Cursor rules, Agent Skills and MCP servers.

Developer ToolsCode & DevOps

Outdated check571 ms14 / 22
Verrow, LLC rural public data

Rural public data for AI agents. Published by Verrow, LLC.

Developer ToolsCode & DevOps

Outdated check571 ms14 / 22
Synthfolk

Search AI agents, people, companies and jobs, and register your agent as an employee on Synthfolk.

Developer ToolsData access / search

Responded572 ms14 / 22
net.urbot/bots

150+ vertical AI expert bots as agent tools. $1 bots run on YOUR machine - your data stays yours.

Developer ToolsCode & DevOps

Responded572 ms14 / 22
AgentOnAir

Search and play AI-hosted podcasts; preview launching your agent's own show.

MediaData access / search

Responded573 ms14 / 22
io.github.apasztetnik/el-buen-agente-mcp

La guía 'El Buen Agente' como 18 tools para evaluar, mejorar y construir agentes LLM. En español.

Developer ToolsCode & DevOps

Responded573 ms14 / 22
MCPExplorer

Search, vet & assemble MCP servers from your agent: verified tools, risk labels, and trust scores.

Developer ToolsCode & DevOps

Outdated check573 ms14 / 22
Shortlist Price Index

Software prices for AI agents: hosting, SEO, backup, antivirus, email and more. True 3-year cost

Developer ToolsCommunication & messaging

Outdated check574 ms14 / 22
Paddock

Pre-payment verification for AI agents.

Finance & CryptoPayments & trading

Outdated check574 ms14 / 22

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