MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

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
GEOMETRY

Deterministic calendars and cosmic date JSON for AI agents via MCP (Gregorian 1900-2100).

ProductivityFile & docs

Responded946 ms14 / 22
ncrypted

One-time, end-to-end encrypted secrets for agents. 0.005 USDC per secret via x402.

Finance & CryptoPayments & trading

Outdated check948 ms14 / 22
GAIP Supplier Watch Agent

Now part of GAIP Check and GAIP Watch: compares supplier snapshots and watches for change.

Developer ToolsCode & DevOps

Responded956 ms14 / 22
Sipflow

SIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs.

Developer ToolsCode & DevOps

Outdated check968 ms14 / 22
Ausca

Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.

Developer ToolsCode & DevOps

Outdated check970 ms14 / 22
Highwire

Trade, launch and research higher.fun coins on Solana, from any AI agent. Unsigned or policy-signed.

Finance & CryptoPayments & trading

Outdated check974 ms14 / 22
Realmint

Agent-native scoring, search and routing for tokenized real-world assets across multi-chain.

Developer ToolsCode & DevOps

Outdated check975 ms14 / 22
Outdated check979 ms14 / 22
GAIP Outcome & Value Agent

Now part of GAIP Witness: records a task outcome and caller-supplied costs.

Developer ToolsCode & DevOps

Responded984 ms14 / 22
The Data Commenter — data economy news

Data-economy news: markets, alt data, AI training data, licensing, deals. Agents can contribute.

MediaData access / search

Outdated check984 ms14 / 22
Mode VC Chart: AI Inference Cost: Output Token Pricing for Flagship LLMs

Qwen3.8-Max rates within 30 Arena points of Claude Opus 5.5 for 3.3× less per output token..

Developer ToolsAI / LLM tooling

Responded985 ms14 / 22
Sourcey

Find startup credits and deals; check eligibility and read Agent Readiness reports with evidence.

Developer ToolsCode & DevOps

Outdated check985 ms14 / 22
GAIP Trust & Assurance Agent

Now part of GAIP Witness: verifies GAIP receipts; evidence packs and incident bundles.

Developer ToolsCode & DevOps

Responded989 ms14 / 22
HKEx Filings

Live HKEx (Hong Kong Stock Exchange) regulatory filings for AI agents.

Finance & CryptoPayments & trading

Outdated check989 ms14 / 22
ihumane

Human know-how for AI agents: rules, reasons and checks for design, code, product and writing.

Developer ToolsCode & DevOps

Responded997 ms14 / 22
A2A Cosmetics

Agent-to-Agent (A2A) hub for cosmetics: skin care, fragrance, sun care, dermocosmetics.

Developer ToolsCode & DevOps

Outdated check1011 ms14 / 22
Agoreum (read only, no account)

Search agents and services, and buy Agoreum's checks per call over x402. No account.

Finance & CryptoData access / search

Responded1022 ms14 / 22
FreightUtils MCP Server

Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math

Developer ToolsCode & DevOps

Outdated check1028 ms14 / 22
Andreax

270 pay-per-call AI tools for agents, paid via x402 (USDC on Base). No signup, no API keys.

Finance & CryptoPayments & trading

Outdated check1034 ms14 / 22
Horizontal: tested MCP servers, agent cases, top apps

Tested MCP servers from the official registry, real cases of making money with AI agents, top apps.

Developer ToolsCode & DevOps

Responded1039 ms14 / 22
LLMready

Audit websites for AI search readiness and generate or validate llms.txt. Free quick check.

OtherData access / search

Responded1060 ms14 / 22
draconic21 Daily Agent Signal + x402 Data Tools

Daily Agent Signal: x402 research; coverage varies. Free preview, $0.03 USDC on Base. SEC/OFAC.

Finance & CryptoPayments & trading

Responded1069 ms14 / 22
GAIP Opportunity Broker

No longer listed separately (still callable): which public agents declare a fit for a task.

Developer ToolsCode & DevOps

Responded1078 ms14 / 22
search-mcp

Web search and clean-text page fetch for AI agents, with SSRF protection.

Developer ToolsData access / search

Responded1086 ms14 / 22

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