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

4749 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
io.github.gigsoul/x402-api

AI API for marketing, content and outreach. 22 endpoints. Pay with USDC on Base via x402.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.jason2016/clawshow-mcp-server

Instant Backend for SMBs: pages, payments, eSign AES eIDAS, notifications, inventory, reports

Finance & CryptoCommunication & messaging

Outdated checkNot measured4 / 22
io.github.junct-bot/aarna-mcp

Aarna - 34 tools for swap quotes, liquidity pools, and trading data

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.junct-bot/binance-mcp

Binance - 340 tools for market data, order books, and trading pairs

Finance & CryptoData access / search

Outdated checkNot measured4 / 22
io.github.junct-bot/blockscout-mcp

Blockscout - 56 tools for data, metrics, and on-chain analytics

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
io.github.junct-bot/coinbase-mcp

Coinbase - 20 tools for market data, order books, and trading pairs

Finance & CryptoData access / search

Outdated checkNot measured4 / 22
io.github.junct-bot/coingecko-mcp

Coingecko - 36 tools for data, metrics, and on-chain analytics

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
io.github.junct-bot/coinmarketcap-mcp

Coinmarketcap - 30 tools for data, metrics, and on-chain analytics

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
io.github.junct-bot/curve-mcp

Curve - 43 tools for swap quotes, liquidity pools, and trading data

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.junct-bot/etherscan-api-mcp

Etherscan Api - 71 tools for data, metrics, and on-chain analytics

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
io.github.junct-bot/jupiter-mcp

Jupiter - 4 tools for swap quotes, liquidity pools, and trading data

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.junct-bot/synthetix-mcp

Synthetix - 22 tools for data, metrics, and on-chain analytics

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
io.github.junct-bot/uniswap-mcp

Uniswap - 17 tools for swap quotes, liquidity pools, and trading data

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.MatsushitaTokitsugu/micro-data-api-factory

17+ Japan MCP tools (weather/calendar v2/local-pack/enrich). x402 on Base, wallet-free trial.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.Mediaeater/swarm-at

Settlement protocol for AI agent swarms — hash-chained ledger, trust, 48 blueprints, 18 tools

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
io.github.mintmas/oracle42-intelligence

AI-powered threat intelligence, smart contract auditing, and cybersecurity OSINT.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
io.github.reitsmasieto-wq/overcome-stress

Stress recovery protocols via Lightning payments: post-concussion, post-COVID, burnout

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.sarduine13-star/agent-teller

Verify AI agent payments and detect fraud. Input: agent_id, amount, service_id.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.shemshallah/qtcl-mcp-server

Agent-native post-quantum blockchain. 11 tools: send, balance, quantum oracle metrics. Flat fee.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.github.spfunctions/simplefunctions

Calibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Outdated checkNot measured4 / 22
io.github.Tsubaki414/toolfi

Open API Marketplace for AI Agents. Crypto data tools with USDC payments on Base.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.nip.5-9-107-124/token-risk

DeFi pool yield+security intelligence & token/contract risk scanner. USDC on Base via x402.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
io.sslip.195.82.231.168/agent-data-api

Pay-per-call (x402/USDC-Base) web + crypto data tools for AI agents: audit, extract, crypto, DeFi.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22

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