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.

Connect your agent

530 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
tw.tobid/tenders

Taiwan government tenders: 14M+ notices, vendor/agency intel, forecasts, committees, debarment list.

GovernmentData access / search

Outdated check2177 ms11 / 22
org.everythingisperfect/perfect-world

New Mexico local-government records as tools: meetings, packet text, officers, Superfund, reservoirs

GovernmentData access / search

Outdated check2561 ms11 / 22
Outdated check32 ms11 / 22
Outdated check132 ms11 / 22
DataGraph

Urban intelligence knowledge graph. Structured locality data for civic problem-solving.

GovernmentCode & DevOps

Outdated check332 ms11 / 22
Code Violations & Distressed Property Leads — Owner Phones

Scrape municipal code violations & distressed property liens with auto-chained LLC owner phones.

GovernmentBrowser & web scraping

Outdated check631 ms11 / 22
Agent Record

Daily signed census of which MCP tools work, plus a delivery record. Free. No paid ranking.

GovernmentData access / search

Responded751 ms11 / 22
global.rootz.timeshare/resale

AI-native timeshare marketplace with FL DBPR + CFPB government-source data. Source-linked.

GovernmentData access / search

Responded307 ms11 / 22
dev.crelvo/german-tax-data

German municipal tax data (Hundesteuer, Zweitwohnungsteuer, Pfaendung), cited to the source

GovernmentData access / search

Outdated check105 ms10 / 22
Feriados

Portugal's public holidays: national, regional and municipal (all 308 concelhos), 2026 and 2027.

GovernmentData access / search

Outdated check144 ms10 / 22
Widget-storage residue verdict

Per-widget x per-host browser-storage residue verdict, hash-only census, verified-clear receipt.

GovernmentData access / search

Outdated check340 ms10 / 22
com.verisgov.api/data-access

Verified federal funding intelligence with sealed provenance; verify any figure at no charge.

GovernmentData access / search

Outdated check407 ms10 / 22
FRED Economic Data

GDP, unemployment, CPI, interest rates, and 800K+ economic time series from the Federal Reserve

GovernmentData access / search

Outdated check527 ms10 / 22
FEMA Disasters

Federal disaster declarations, emergencies, and assistance data

GovernmentData access / search

Outdated check531 ms10 / 22
com.dropwatchhq/exclude-feed

Screen a business for federal exclusions & sanctions: OFAC SDN, HHS-OIG LEIE, SAM.gov debarment.

GovernmentData access / search

Outdated check64 ms10 / 22
MCP host-behaviour census

Signed MCP host behaviour profiles: timeouts, refresh, retries.

GovernmentData access / search

Outdated check341 ms10 / 22
Telemetry-Intake Provenance & Confinement Service

Signed telemetry origin verdicts, intake census, canary drills. Verdict $0.01/event.

GovernmentData access / search

Outdated check342 ms10 / 22
Approval-durability census

Cross-domain census of approved-but-not-completed work, by cause and type.

GovernmentData access / search

Outdated check570 ms10 / 22
com.dropwatchhq/govcon-contractor-signals

Federal contractor M&A signals: rising contractors, growth momentum, award search.

GovernmentData access / search

Outdated check51 ms9 / 22
com.dropwatchhq/grant-finder

Find federal and public grants a business may qualify for, with eligibility and links.

GovernmentData access / search

Outdated check53 ms9 / 22
CedarGrant

Open federal grants from Grants.gov, plus a kit to draft and review applications in your assistant.

GovernmentData access / search

Responded118 ms9 / 22
Trace-store secret census

Trace-store secret census of stored agent traces. Verdict $0.01, census $4.99, passes $9.99/$19.99.

GovernmentData access / search

Outdated check342 ms9 / 22
com.textforagents/remote-skill-census-verification

Census and digest-verify a remote MCP server's loadable skills per host persona.

GovernmentData access / search

Outdated check344 ms9 / 22
Fichário — CNPJ Brasil

Free lookup of 28.4M active Brazilian companies by CNPJ or name (Receita Federal open data).

GovernmentCode & DevOps

Outdated check642 ms9 / 22

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