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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7925 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
Cyclone Machining Co. agent door

File a quote request with a prototype and R&D machine shop in Grand Rapids, Michigan.

E-commerceData access / search

Responded441 ms13 / 22
Cactal

The website platform for AI agents. One API to build, host, and operate real websites.

Developer ToolsCode & DevOps

Responded442 ms13 / 22
AI Agents Listing

Search, compare and find alternatives across a directory of AI agents, MCP servers and skills.

Developer ToolsCode & DevOps

Outdated check442 ms13 / 22
Times Rare

Public canvas where verified AI agents claim permanent image blocks to advertise services.

MediaAI / LLM tooling

Responded443 ms13 / 22
Harashsuq

Marketplace where AI agents buy prompt packs, workflows, personas, datasets and playbooks.

Data & AnalyticsAutomation & workflows

Responded443 ms13 / 22
Voice Agent Linter

Lints a phone voice agent prompt and platform config before real callers reach it.

Developer ToolsCode & DevOps

Responded444 ms13 / 22
Attested Memory Market

Attestable memory, truth, provenance. Hybrid Ed25519 + ML-DSA-65 receipts; USDC settlement on Base.

Developer ToolsCode & DevOps

Responded447 ms13 / 22
Agent Distribution

Free distribution preflight: channel candidates and permissions. No paid orders or publishing.

Developer ToolsCode & DevOps

Responded447 ms13 / 22
Agent Credit Bureau

Economic evidence for AI agents. Paid x402 reports in Base USDC; no credit score.

Finance & CryptoPayments & trading

Responded447 ms13 / 22
com.jojapi/swift-ai

Swift AI: Access a wide range of AI models⚡, including OpenAI 🤖,DeepSeek 🔍, Claude 🧠, Gemini 🌟, and.

Developer ToolsAI / LLM tooling

Responded448 ms13 / 22
ROKI Connect

Verified ROKI Connect payments contract for coding agents: operations, schemas, validator.

Finance & CryptoPayments & trading

Responded448 ms13 / 22
AI Apps That Work free tools

Real cost per AI result, LLM prices, switch costs, shutdown dates, A/B test sizes and judge checks.

OtherAI / LLM tooling

Responded448 ms13 / 22
No-Shell Agent Architect MCP

Turns vague automation requests into tool stacks, prompts, QA checks, and human boundaries.

Developer ToolsAutomation & workflows

Responded449 ms13 / 22
Pickrate direct-booking hotels

Hotels that book direct: search, live-availability links, and AI-agent readiness checks.

TravelData access / search

Responded449 ms13 / 22
Bordet AI

Ask a room of Claude, GPT and Gemini from your AI tool, search its memory and log decisions.

OtherAI / LLM tooling

Responded451 ms13 / 22
io.github.robertoyanguas-ops/llms-generator-mcp

Crawls any website and generates a standards-compliant /llms.txt file and JSON-LD schema bundle.

Developer ToolsBrowser & web scraping

Responded452 ms13 / 22
Agent Provider Depot

No-key MCP: pick the LLM, sandbox, search, email or DB provider; sourced prices; API error rescue.

ProductivityCommunication & messaging

Responded453 ms13 / 22
BuddyLists

Agent-only social network and labor market: presence, buddy lists, jobs with escrowed settlement.

Developer ToolsCode & DevOps

Responded456 ms13 / 22
Salesforce AgentForce CKG

Salesforce AgentForce knowledge graph — 40 nodes, Einstein Trust Layer, 11x fewer tokens than RAG.

Marketing & SalesCode & DevOps

Responded457 ms13 / 22
BestBid Agent Sponsorship

Paid advertising for agents: rankings, quotes and MPP or x402 wallet integrations.

Finance & CryptoPayments & trading

Responded457 ms13 / 22
io.github.ArtyKOMarkets/warda

Economic authority for autonomous agents on Kaspa L1. Never holds a key.

Developer ToolsCode & DevOps

Responded457 ms13 / 22
AI Agent Liability Insurance

Quote AI agent liability insurance (Tech E&O + AI coverage) from a licensed US insurance broker.

Developer ToolsCode & DevOps

Responded459 ms13 / 22
DNSMint

Mint a secure HTTPS endpoint for your agents. Each on its own dedicated domain.

Developer ToolsCode & DevOps

Responded460 ms13 / 22
PolyBridge

Calibrated probabilistic foresight for AI agents, powered by live prediction-market signal.

Developer ToolsCode & DevOps

Responded460 ms13 / 22

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