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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17987 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.bluestratus/agenticfeed

Match shopper intent to a merchant's products and fetch live price, stock and product Q&A.

Finance & CryptoCode & DevOps

Responded81 ms14 / 22
POPCORN Witness Verifier

MCP server for verifying receipts: POPCORN-WITNESS/2.0 signature, digest, and time. Free, read only.

Developer ToolsCode & DevOps

Responded81 ms14 / 22
NameHound

Is a brand name free as a .com/.net/.org/.app domain and as a Bluesky, Mastodon, npm or PyPI handle?

Developer ToolsCode & DevOps

Responded82 ms14 / 22
io.github.nyuchi/nyuchi-docs

Search, read, and ask the Nyuchi docs (docs.nyuchi.com); send feedback or raise issues.

Developer ToolsCode & DevOps

Responded82 ms14 / 22
Ryan Lindsey

Ryan Lindsey's professional corpus, exposed as MCP tools.

Developer ToolsCode & DevOps

Responded83 ms14 / 22
UNPKG

Live npm and UNPKG data for AI agents: resolution, audits, import maps, malware/CVE checks.

SecurityCode & DevOps

Responded83 ms14 / 22
Nummerschilderen.com shop advisor

Search paint-by-number kits, get size and price advice for your own photo, shop info. No login.

MediaCode & DevOps

Responded83 ms14 / 22
ComputeFirst

Free deterministic tools for math, data transforms, dates, text, statistics, finance, and units.

Data & AnalyticsCode & DevOps

Outdated check83 ms14 / 22
Aave MCP

Official Aave MCP for V3 and V4 markets, positions, governance, and transaction preparation.

Developer ToolsCode & DevOps

Responded84 ms14 / 22
io.github.DigiCatalyst-Systems/dep-diff-mcp

Translates a lockfile diff into a human-readable upgrade plan for npm, PyPI, and GitHub Actions.

Developer ToolsCode & DevOps

Outdated check84 ms14 / 22
ClaraConverts

Install Clara, an AI agent website visitors talk to by voice or text. Free trial, no card.

Developer ToolsCode & DevOps

Responded85 ms14 / 22
Agent Standings check

Live status and 30-day reliability of public MCP servers, from independent hourly probes.

Developer ToolsCode & DevOps

Responded85 ms14 / 22
io.github.f-tiger/agiscorecard-web3-evidence

Review agent task evidence with sample deduplication, version filters and uncertainty intervals.

Developer ToolsCode & DevOps

Responded85 ms14 / 22
io.github.f-tiger/agiscorecard-web3-disclosures

Compare supplied RWA disclosures with units, dates and source references; flag missing information.

Developer ToolsCode & DevOps

Responded85 ms14 / 22
io.github.f-tiger/agiscorecard-web3-compute

Compare GPU workload costs per accepted output, including setup, storage, egress and failed work.

Developer ToolsCode & DevOps

Responded85 ms14 / 22
XGuard Live

Read current software facts with primary-source evidence and verification timestamps.

Developer ToolsCode & DevOps

Outdated check86 ms14 / 22
web3ctx

Version-true web3 docs, ABIs and human-validated integration recipes over MCP.

Developer ToolsCode & DevOps

Outdated check86 ms14 / 22
Pixel Agent

Convert images to PNG, JPEG, WebP, or AVIF through one public remote MCP tool.

MediaCode & DevOps

Outdated check86 ms14 / 22
io.github.holistis/cra-check

Free read-only check of a public GitHub repo for eight security signals related to the EU CRA.

Developer ToolsCode & DevOps

Outdated check86 ms14 / 22
ANIME INTELLIGENCE / AI PURCHASE INTELLIGENCE

AI commerce intelligence for anime, industrial parts, replacements, sourcing and agent buying.

MediaCode & DevOps

Outdated check87 ms14 / 22
JustOneAPI

Discover social and commerce APIs without login; authenticate for API calls and account data.

Developer ToolsCode & DevOps

Outdated check87 ms14 / 22
official.tokyo.jp

Human-verified guide to official procedures in Tokyo for foreign residents. Not a government site.

GovernmentCode & DevOps

Outdated check87 ms14 / 22
adfraudit – Klickbetrug / Click Fraud

Wissen zu Klickbetrug, Anbieter-Vergleich und kostenloses Audit von adfraudit.com

Developer ToolsCode & DevOps

Responded88 ms14 / 22
Mlola UI

Mlola UI components, tokens and design rules for coding agents, with a markup checker

Developer ToolsCode & DevOps

Outdated check88 ms14 / 22

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