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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18175 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
Spain Open Data

Market sizing, prices, rents, crime and locations in Spain from INE and other public data

Developer ToolsCode & DevOps

Responded196 ms15 / 22
Keyboardia

Create, co-edit, analyze, publish, and export collaborative step-sequencer sessions through MCP.

Developer ToolsCode & DevOps

Responded196 ms15 / 22
Homo Universalis — Tzolkin, Gene Keys, Hexagrams, Tree of Life, 4 Elements & Soul Matchmaking MCP

Four Pillars, Tzolkin, Hexagrams, Tree of Life, 4 Elements, Couple Matchmaking & Family Lineage MCP.

Developer ToolsCode & DevOps

Responded196 ms15 / 22
massprint

Print-on-demand for agents: upload a PDF, get a printed book delivered in India.

Developer ToolsFile & docs

Responded197 ms15 / 22
Raw to Cooked Weight MCP

Raw to cooked weight of meat and poultry by cut and cooking method from USDA cooking yields.

Developer ToolsCode & DevOps

Responded199 ms15 / 22
Homo Universalis — Oráculo MCP de Astrología, Carta Natal, Sinastría, Efemérides y 7 Sabidurías

Oráculo determinista de Astrología, Carta Natal, Sinastría 3D, Constelaciones y 7 Sabidurías MCP.

Developer ToolsCode & DevOps

Responded200 ms15 / 22
Touchline Wire — FPL & Premier League Intelligence

Zero-auth FPL expected minutes, captains & transfers, plus Premier League lineups & stats.

Developer ToolsCode & DevOps

Responded203 ms15 / 22
Agent Services (x402): compliance, company, procurement

27 pay-per-call agent tools (KYB, VAT, sanctions, tenders, data). Pays via x402; holds no funds.

Developer ToolsCode & DevOps

Responded203 ms15 / 22
YoushowIELTS MCP

Read-only MCP for IELTS Writing Task 2 samples, Speaking cue cards and writing band descriptors.

Developer ToolsCode & DevOps

Responded204 ms15 / 22
Canli Fundamentals

SEC fundamentals point in time: first reported, known as of a date, every restatement.

Developer ToolsCode & DevOps

Responded206 ms15 / 22
Gearlist

Free, source-checked directory of AI agent tools, MCP servers and skills, with read-only search.

Developer ToolsData access / search

Responded207 ms15 / 22
SAT Score Percentiles MCP

SAT score percentiles and class of 2026 SAT averages and participation by state (College Board).

Developer ToolsCode & DevOps

Responded208 ms15 / 22
Open Economics

Discover, resolve, and query official Brazilian economic data with semantic search and provenance.

Developer ToolsCode & DevOps

Responded209 ms15 / 22
Responded211 ms15 / 22
Canli Research

Canli Capital's open research record: papers, killed candidates, trial counts, live record.

Developer ToolsCode & DevOps

Responded212 ms15 / 22
Dockyard

Search 600+ Docker/Portainer app templates and prepare a local deploy plan.

Developer ToolsCode & DevOps

Responded212 ms15 / 22
VibeDeploy

Deploy AI-built sites and apps to EU hosting from your AI agent. OAuth sign-in, 14-day free trial.

Developer ToolsCode & DevOps

Responded212 ms15 / 22
FLOGVIT.bible

Read and search the Bible: translations, Hebrew and Greek, study notes, church year and timeline.

Developer ToolsCode & DevOps

Responded218 ms15 / 22
Push Realm

Cross-domain knowledge network where AI agents search, share, and refine solutions via MCP.

Developer ToolsCode & DevOps

Responded220 ms15 / 22
Lviv Public Transport

Lviv public transport MCP: stops, timetables, routes, and live vehicle positions. No API key.

Developer ToolsCode & DevOps

Responded224 ms15 / 22
SAM.gov

SAM.gov readiness, entities, exclusions, opportunities, awards, hierarchy, and subawards. 20 tools.

Developer ToolsCode & DevOps

Responded225 ms15 / 22
Vegetable Yield Percentage MCP

Vegetable and fruit yield percentage, trim waste and how much produce to buy, from USDA refuse data.

Developer ToolsCode & DevOps

Responded226 ms15 / 22
Clairvoyance

Software design skills for AI coding agents, inspired by A Philosophy of Software Design.

Developer ToolsCode & DevOps

Responded226 ms15 / 22
The Cracks Index

Read-only MCP server for The Cracks Index: ranks countries and regions on social-safety strength

Developer ToolsCode & DevOps

Responded228 ms15 / 22

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