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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377 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
Geonames

GeoNames MCP — GeoNames geographical database API

Developer ToolsDatabase

Responded6162 ms13 / 22
Gdelt

GDELT MCP — Global Database of Events, Language, and Tone (free, no auth)

Developer ToolsDatabase

Responded6170 ms13 / 22
Discogs

Discogs MCP — music release / artist / label database

Developer ToolsDatabase

Responded6175 ms13 / 22
Chembl

ChEMBL MCP — drug discovery database (EBI).

Developer ToolsDatabase

Responded6181 ms13 / 22
Gnomad

gnomAD MCP — Broad Institute Genome Aggregation Database (GraphQL).

Developer ToolsDatabase

Responded6195 ms13 / 22
Boe Uk

Bank of England Interactive Statistical Database (IADB) MCP.

Developer ToolsDatabase

Responded6493 ms13 / 22
Deadbolt

Check Supabase SQL for who can read and write each table: RLS gaps, open policies, grants, fix SQL.

Developer ToolsDatabase

Responded61 ms12 / 22
Clawhard Dev Tools

Exact developer checks: email DNS, Supabase RLS, cron, JSON, contrast, time zones, npm/PyPI packages

Developer ToolsDatabase

Responded62 ms12 / 22
revisia

Systematic reviews from chat: PRISMA 2020 diagrams, risk-of-bias figures, kappa and AI screening.

OtherDatabase

Responded234 ms12 / 22
ludoteca.dev

Open video game database: where to buy each game, store IDs, studios and publishers.

MediaDatabase

Responded237 ms12 / 22
STRING Database MCP Server

Query STRING interactions, enrichment, annotations, homology, and PPI networks.

Developer ToolsDatabase

Outdated check311 ms12 / 22
now.shiply/shiply

Publish any app in one call: SQL database, functions, email, and a custom domain. Flat price.

Developer ToolsDatabase

Responded380 ms12 / 22
GuideDoc Documentary Database

Search public documentary film reference pages and check which titles stream on GuideDoc.

Developer ToolsDatabase

Responded380 ms12 / 22
DataCrate360 Guides & Fixes

Search verified fixes and guides for data tools (Snowflake, dbt, Airflow, Spark…). Paste an error.

Data & AnalyticsDatabase

Responded460 ms12 / 22
The Wheel Atlas

Open bicycle wheelset database: specs, weights, rim depths, UCI approval, prices in USD/EUR/GBP/AUD.

Developer ToolsDatabase

Responded624 ms12 / 22
Ship Check

Scan a deployed app URL for exposed keys, open Supabase tables and missing security headers.

OtherDatabase

Responded631 ms12 / 22
io.github.cryptomfer/cc0company-mcp

cc0pedia CC0 database + cc0.company agent services as MCP tools, paid per call via x402 on Base.

Developer ToolsDatabase

Responded671 ms12 / 22
FFRS Wiki - FINAL FANTASY RESONANCE Database

FFRS Wiki MCP: FINAL FANTASY RESONANCE game data - 3,651 records, 9 languages, read-only.

Developer ToolsDatabase

Responded693 ms12 / 22
SniffPup

Free passive outside security scan of a live web app: leaked keys, exposed files, open Supabase

Developer ToolsDatabase

Responded741 ms12 / 22
Responded29 ms12 / 22
Mongo URL Shape

Check a MongoDB URL shape. Credentials discarded.

Developer ToolsDatabase

Responded30 ms12 / 22
Responded31 ms12 / 22
Postgres URL Shape

Check a Postgres URL shape. Credentials discarded.

Developer ToolsDatabase

Responded31 ms12 / 22
Responded31 ms12 / 22

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