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

18158 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
AI Workflow Feed MCP

Discover articles about AI-assisted development and agent workflows.

Developer ToolsCode & DevOps

Responded97 ms14 / 22
io.github.Kotaro-Studio/curanz-sounds

生年月日から占いを計算して答える。星座・九星気学の本命星と年盤・四柱推命の日干と流年・天中殺・数秘術の個人年。出生時刻は不要。古典の暦法による計算。

Developer ToolsCode & DevOps

Responded97 ms14 / 22
io.github.imgproc-git/govbid-mcp-server

U.S. federal contract opportunities from SAM.gov. Daily updates. Public Domain.

LegalCode & DevOps

Responded98 ms14 / 22
ablakarajanlat.hu Nyílászáró MCP

Egyedi méretű műanyag ablak árbecslés (kalkulált ár), raktárkészlet és ajánlatkérés.

Developer ToolsCode & DevOps

Responded98 ms14 / 22
Smart Rings Atlas

Smart ring research and regional buying links; affiliate links may earn commission.

Marketing & SalesCode & DevOps

Responded98 ms14 / 22
Contract Powers

Who can still change this EVM contract, and what can they do to holders?

LegalCode & DevOps

Outdated check98 ms14 / 22
HackList

Live AI & Web3 hackathons, grants and programs from HackList, ranked for what's worth entering.

Developer ToolsCode & DevOps

Responded99 ms14 / 22
Dataset Diff & Change Detector

Compare two versions of a JSON row list: what was added, removed or changed, field by field.

Developer ToolsCode & DevOps

Outdated check99 ms14 / 22
Mansa African Financial Reference Data

African bank & SWIFT codes, NUBAN resolution, mobile networks, holidays and ISO 4217 currencies.

Developer ToolsCode & DevOps

Outdated check99 ms14 / 22
bitfence Risk Oracle

Pre-transaction token risk checks for autonomous agents on six chains. Read-only; paid via x402.

Developer ToolsCode & DevOps

Outdated check99 ms14 / 22
Sigao Li — personal MCP server

Read-only access to Sigao Li's profile, CV and case studies. Bilingual (EN/ZH).

Developer ToolsCode & DevOps

Responded100 ms14 / 22
io.github.Abracadabrastartup/deusproof-mcp

Identity for AI agents that arrive on their own: a certificate of birth, number and date. Free.

Developer ToolsCode & DevOps

Responded101 ms14 / 22
TaoFind — 1688 Link Cleaner, Volumetric Shipping & Agent Cost Matrix

Clean 1688/Taobao/Weidian links, compute LxWxH/5000 haul weights & compare 18 agent FX fees.

Developer ToolsCode & DevOps

Responded101 ms14 / 22
io.github.machinegrade/validate

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.

Developer ToolsCode & DevOps

Responded101 ms14 / 22
FrontDesko

Hotel PMS pricing, comparisons, OTA savings math, docs search and live demo availability.

TravelCode & DevOps

Outdated check101 ms14 / 22
AU Business Identity

Validate Australian ABNs and ACNs, and verify ABNs live against the Australian Business Register.

Developer ToolsCode & DevOps

Responded102 ms14 / 22
Beamline UI

Polished, editable React UI for coding agents: 240+ components, 340+ complete screens.

Developer ToolsCode & DevOps

Responded102 ms14 / 22
CharityFundraiser MCP by usefulapi

Read donations, transactions, contacts and events; create and update contacts in CharityFundraiser.

Developer ToolsCode & DevOps

Responded102 ms14 / 22
McpStamp Resume and Cover Letter

Store your CV once, then get tailored .docx resumes, cover letters and keyword gaps for a job.

Developer ToolsCode & DevOps

Responded103 ms14 / 22
Channel Pilot Pro MCP by usefulapi

Read feeds and product data; create, update and delete products in Channel Pilot Pro.

Developer ToolsCode & DevOps

Responded103 ms14 / 22
BioAI 日知

Read-only AI biopharma news, research records, companies, and source status from BioAI 日知.

Developer ToolsCode & DevOps

Outdated check104 ms14 / 22
OutSlide

Creative workspace. Public MCP: outline previews for Codex and Claude Code; media in the web app.

Developer ToolsCode & DevOps

Outdated check104 ms14 / 22
io.github.stillmarcus24/stillos-edge-gate

Grade a track record before risking capital: REAL_EDGE/REGIME_LUCK/NEGATIVE_EV. Fail-closed.

Developer ToolsCode & DevOps

Responded105 ms14 / 22
wealthtech.dev

Read-only, sourced access facts for wealth tech products, vendor MCP servers and Form ADV columns.

Developer ToolsCode & DevOps

Responded105 ms14 / 22

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