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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18179 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
SkillsPicker

Recommends open-license agent skills (SKILL.md) for a project from its stack and task tags.

Developer ToolsCode & DevOps

Responded172 ms14 / 22
EU Public Tender Search (TED)

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

Developer ToolsCode & DevOps

Outdated check173 ms14 / 22
StarProof

GitHub repo authenticity scoring: stars-vs-forks, star velocity, astroturf fingerprints. Free API.

Developer ToolsCode & DevOps

Responded174 ms14 / 22
Maker Machines Atlas

Machine research, calculators and buying links; affiliate links may earn commission.

Marketing & SalesCode & DevOps

Responded175 ms14 / 22
Common Ground

Pick one movie, show, book, artist or restaurant a whole group will enjoy, using Qloo taste data.

MediaCode & DevOps

Responded175 ms14 / 22
EU EORI Number Check

Verify EU EORI numbers in the official EC register before shipping. $0.01/call via x402.

Developer ToolsCode & DevOps

Outdated check175 ms14 / 22
COLA Insight

Read-only Social Security COLA data, calculations, history, and official source links.

Developer ToolsCode & DevOps

Responded176 ms14 / 22
io.github.dockster/uxspot-mcp

uxspot.io UX reference: glossary, AI x UX tools directory, checklists and Learn UX curriculum

EducationCode & DevOps

Responded176 ms14 / 22
Counterparty Due Diligence

One-call counterparty screen: sanctions, export, PEP, registry. $0.10/call via x402.

Developer ToolsCode & DevOps

Outdated check176 ms14 / 22
CrawlCheck

Verification layer for the agentic web: a signed answer about any site before an agent acts.

Developer ToolsCode & DevOps

Responded177 ms14 / 22
Bokadirekt MCP by usefulapi

Read locations, staff, services, bookings, customers, sales and products in Bokadirekt.

Developer ToolsCode & DevOps

Responded177 ms14 / 22
Good Grants MCP by usefulapi

Read applications, rounds, funds and leaderboards; tag applications in Good Grants.

Developer ToolsCode & DevOps

Responded177 ms14 / 22
Trust Live

Evidence-linked MCP selection and non-executing Safe-Call review; surfaces unknowns.

Developer ToolsCode & DevOps

Responded178 ms14 / 22
Hub Planner MCP by usefulapi

Read Hub Planner resources, projects, bookings and timesheets; create clients and time entries.

Developer ToolsCode & DevOps

Responded178 ms14 / 22
Axis LMS MCP by usefulapi

Read Axis LMS users, courses, learning paths, certifications and reports; manage enrollments.

Developer ToolsCode & DevOps

Responded179 ms14 / 22
IA-QA Security — 30 tools

Agent security: prompt injection, PII & secret scans, TLS/header/CORS audits, MCP checks. Free.

Developer ToolsCode & DevOps

Responded180 ms14 / 22
Dribba

Dribba: services, case studies, budget estimates and contact, as MCP tools.

Developer ToolsCode & DevOps

Responded181 ms14 / 22
Pentasor

Senses for agents on live sites and media: read, see, hear, drive a flow, verify a claim.

Developer ToolsCode & DevOps

Responded181 ms14 / 22
Responded182 ms14 / 22
GasNow

Live crypto fees: USDT transfer costs on 12 networks, exchange withdrawals, bridges and gas.

Finance & CryptoCode & DevOps

Responded183 ms14 / 22
io.github.vlad-public-code/valem

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

Developer ToolsCode & DevOps

Responded184 ms14 / 22
Sanctions Screen (OFAC, EU, UK, UN)

Screen a party vs OFAC, EU and UK sanctions lists before paying. $0.02/call via x402.

Developer ToolsCode & DevOps

Outdated check184 ms14 / 22
EU Funding Calls Search

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

Developer ToolsCode & DevOps

Outdated check184 ms14 / 22
Remode - Fashion Finder, New & Pre-loved

Find fashion new or pre-loved from a photo, link or text; compare prices; hunt for a lower price.

MediaCode & DevOps

Responded185 ms14 / 22

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