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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18511 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.vlad-public-code/valem

Valem - Deterministic reactive state models. Create your own calculators/forms with AI

Developer ToolsCode & DevOps

Responded184 ms14 / 22
Anole AI Visibility

Audit website AI readiness, publish Markdown pages for LLMs and manage llms.txt.

Developer ToolsFile & docs

Responded185 ms14 / 22
Busymate DevTools

Capture, inspect & debug HTTPS traffic across iOS, Android, browsers & backends — 304 MCP tools.

Developer ToolsCode & DevOps

Responded185 ms14 / 22
io.github.pscale-commons/pscale-biome

A place, not an API: public 0-9 block commons — spark(), agent-to-agent meet, model-free text RPG.

Developer ToolsCode & DevOps

Responded185 ms14 / 22
gtm.help

Your go-to-market plan, plays and opportunities from gtm.help, inside any AI agent.

Developer ToolsCode & DevOps

Responded185 ms14 / 22
AILANG Parse

Parse, convert and create Office and PDF documents. OAuth at /mcp/connect/, API key at /mcp/.

Developer ToolsFile & docs

Responded186 ms14 / 22
EU Funding Calls Search

Find open and upcoming EU grant calls by topic. $0.02/call via x402.

Developer ToolsCode & DevOps

Responded187 ms14 / 22
CodeAtlas

Read-only CodeAtlas service catalog: list, get and search services. No authentication.

Developer ToolsData access / search

Responded187 ms14 / 22
VirtualFlyBrain

MCP server for Drosophila neuroscience data from VirtualFlyBrain

Developer ToolsCode & DevOps

Responded187 ms14 / 22
Prompt Injection Scanner

Check text before your agent reads it: hidden instructions, invisible text and links that leak data.

Developer ToolsCode & DevOps

Responded188 ms14 / 22
Fify

Turn grounded AI answers into trusted comparisons, plans, timelines, and decision views.

Developer ToolsCode & DevOps

Responded188 ms14 / 22
EchoCall

Run EchoCall AI phone and chat agents from ChatGPT or Claude: calls, agents, knowledge and numbers.

Developer ToolsAI / LLM tooling

Responded189 ms14 / 22
Cincopa MCP by usefulapi

List assets and galleries, edit their metadata, upload from URLs and delete media in Cincopa.

Developer ToolsCode & DevOps

Responded190 ms14 / 22
IP Country & Network Lookup (DB-IP Lite)

Look up the country and ASN of IP addresses (DB-IP Lite). $0.001/call via x402.

Developer ToolsData access / search

Responded191 ms14 / 22
AgentFeed

Fetch any RSS/Atom feed as clean JSON or extract article text from any URL. Built for AI agents.

Developer ToolsCode & DevOps

Responded191 ms14 / 22
POPCORN MCP

Witness layer for agents: signed receipts binding a fingerprint to a witnessed time. $0.001.

Developer ToolsCode & DevOps

Responded194 ms14 / 22
dokumendiregister.ee — Estonian public-authority documents

Estonian public-authority document registers: one search across all, docs linked to companies.

Developer ToolsFile & docs

Responded194 ms14 / 22
MCP Toplist

Search 100,000+ MCP servers ranked by real adoption data to find the right one for any task.

Developer ToolsData access / search

Responded194 ms14 / 22
Firmaradar

Norwegian company intelligence: ownership, roles, financials, risk, KYC/AML/PEP (multi-source)

Developer ToolsCode & DevOps

Responded194 ms14 / 22
QuintaDB

No-code databases, forms, portals and AI sites. Manage records and automation via natural language.

Developer ToolsAutomation & workflows

Responded195 ms14 / 22
Batch Sanctions Screening

Screen up to 100 names vs sanctions and US export lists. $0.50/batch via x402.

Developer ToolsCode & DevOps

Responded197 ms14 / 22
EU Public Tender Search (TED)

Find open EU public tenders (TED) to bid on. $0.03/call via x402.

Developer ToolsCode & DevOps

Responded197 ms14 / 22
SEC EDGAR Company Lookup

Get a US company's SEC filings and headline financials from EDGAR. $0.002/call via x402.

Developer ToolsCode & DevOps

Responded198 ms14 / 22
Financial Evidence

Read-only public financial evidence from LiquiLens, Undertow, Seiche and Palimpsest.

Developer ToolsCode & DevOps

Responded198 ms14 / 22

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