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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18241 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
Clairvoyance

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

Developer ToolsCode & DevOps

Outdated check226 ms15 / 22
Better Stack MCP by usefulapi

Read monitors, incidents, heartbeats, on-call and status pages; acknowledge or resolve incidents.

Developer ToolsCode & DevOps

Responded228 ms15 / 22
The Cracks Index

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

Developer ToolsCode & DevOps

Outdated check228 ms15 / 22
Indie Alternatives

Find indie-made tools and alternatives to big-name software. 1,500+ products. Logs unmet needs.

Developer ToolsCode & DevOps

Responded231 ms15 / 22
Bahdan Hal

Bahdan Hal software consulting: services, pricing, CV and skills, and contact requests.

Developer ToolsCode & DevOps

Outdated check233 ms15 / 22
ID MANDAT – Registry for AI Agents

Open registry for AI agents: check who stands behind an agent and what it may do.

Developer ToolsCode & DevOps

Outdated check235 ms15 / 22
IRS Mileage Rate and Per Diem

IRS mileage rates 2011-2026 (76 cents from July 2026), GSA per diem by ZIP FY2026-27, high-low.

Developer ToolsCode & DevOps

Responded237 ms15 / 22
Section 179 Deduction Calculator

Section 179 limits, 100% bonus depreciation, heavy SUV caps and asset loan cost (2025-2026, IRS).

Developer ToolsCode & DevOps

Responded238 ms15 / 22
io.github.snayyar00/webability

Free WCAG 2.2/ADA/508 accessibility MCP: scan, AI fixes, verify, vision audit, localhost tunnel

Developer ToolsCode & DevOps

Responded239 ms15 / 22
registry-mcp — national company registries

The company registry MCP: brreg orgnr, Companies House, Bolagsverket organisationsnummer.

Developer ToolsCode & DevOps

Outdated check239 ms15 / 22
io.github.beneb89/changegamer

Agent-first resource directory for AI agents: protocols, security, RAG, memory, evals, and more.

Developer ToolsCode & DevOps

Responded240 ms15 / 22
Atera MCP by usefulapi

Check devices, alerts and tickets in Atera, and open tickets, comment or resolve alerts.

Developer ToolsCode & DevOps

Responded242 ms15 / 22
Paycheck Calculator

Take-home pay for 2025-2026: IRS brackets, FICA wage base and state income tax for 50 states + DC.

Developer ToolsCode & DevOps

Responded242 ms15 / 22
Cups to Grams

Cups to grams for 271 ingredients with USDA and King Arthur densities, recipe scaling, oven temps.

Developer ToolsCode & DevOps

Responded242 ms15 / 22
Car Loan Interest Deduction Calculator

2025-2028 car loan interest deduction, SALT cap, child tax credit and 2026 tax brackets (IRS).

Developer ToolsCode & DevOps

Responded244 ms15 / 22
ATSPrep

Free resume tools: ATS score, job match, bullet and LinkedIn checks, tailoring, interview prep.

Developer ToolsCode & DevOps

Outdated check245 ms15 / 22
io.github.theluckystrike/minimum-wage-mcp

US state minimum wage 2026-2027: rates, tipped wages and scheduled increases for 50 states and DC.

Developer ToolsCode & DevOps

Responded246 ms15 / 22
OptimToken

Compare LLM API and cloud compute pricing, estimate workload costs, pick a model within budget.

Developer ToolsCode & DevOps

Outdated check246 ms15 / 22
Cerebras MCP by usefulapi

List models, read model details and send chat messages in Cerebras.

Developer ToolsCode & DevOps

Responded248 ms15 / 22
Agiloft MCP by usefulapi

List tables, read records and search a knowledgebase in Agiloft.

Developer ToolsData access / search

Responded248 ms15 / 22
tickadoo Experiences and Events

Discover and book theatre, tours, attractions, and live experiences worldwide. No API key required.

Developer ToolsCode & DevOps

Responded248 ms15 / 22
Appointo MCP by usefulapi

Read Appointo bookings, availability and subscriptions; create, reschedule and cancel bookings.

Developer ToolsPayments & trading

Responded249 ms15 / 22
VerifyMCP

Independent trust scores, tool surfaces and change history for MCP servers.

Developer ToolsCode & DevOps

Responded251 ms15 / 22
Bibelstudium MCP

Wortgetreue deutsche Bibelarbeit: Grundtext, Morphologie, Konkordanz, Querverweise

Developer ToolsCode & DevOps

Outdated check251 ms15 / 22

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