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

Publisher portfolio

ni-c

Explore the MCP servers published by ni-c, with independent connection checks, performance measurements, and setup instructions for each project.

Listed servers
20

Active projects in this portfolio. Deleted and deprecated registry rows are excluded.

Sampled servers
0

Active servers with a recorded connection probe

Latest probe connected
0

Latest stored probe connected. This is not a live guarantee.

Repositories
20

Distinct source repositories linked by the active listings

Portfolio overview

MCP servers

Compare connection status and measurements. Open a server for its tools, check results, and client configuration.

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
Audiobookshelf

Browse your Audiobookshelf libraries and keep listening progress, bookmarks and playlists in sync

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
CalDAV calendars

Read and write CalDAV calendars: events, tasks and journal entries over the open standard

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
Calibre-Web

Read-only MCP server for Calibre-Web: library search, browsing and covers via the OPDS feed

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
CardDAV address books

Read and write CardDAV address books: contacts, groups and photos over the open standard

MediaCode & DevOps

Not measuredNot measured4 / 6Not checked yet
FreshRSS

MCP server for FreshRSS, the self-hosted RSS feed aggregator

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
Google Search Console

MCP server for Google Search Console: properties, sitemaps, search analytics and URL inspection

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
Healthchecks

Inspect, create and adjust Healthchecks cron and uptime checks, and read why one failed

Developer ToolsMonitoring & observability

Not measuredNot measured4 / 6Not checked yet
Hetzner DNS

Manage DNS zones and records (zonefiles, RRSets, TTL, protection) via the Hetzner Cloud API

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
IMAP mailbox

Read, search and organise any IMAP mailbox, with writes off by default

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
Linkwarden

MCP server for Linkwarden, the self-hosted bookmark manager with page preservation

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
mcp-hub

Many stdio MCP servers from one container, published over HTTPS with OAuth 2.1 for any MCP client

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
Mealie MCP Server

MCP server for Mealie, the self-hosted recipe manager and meal planner

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
ntfy

Publish ntfy notifications, read the message cache, and manage users and topic access

Developer ToolsCommunication & messaging

Not measuredNot measured4 / 6Not checked yet
Opengist

Read, create, update and delete gists on a self-hosted Opengist instance

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
OpenStreetMap

Geocoding, walking/driving/cycling distances, route optimization, isochrones and POI search on OSM

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
Rustpad MCP Server

MCP server for Rustpad, the self-hosted collaborative text editor

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
SMTP

MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
wg-easy

Administer wg-easy (WireGuard Easy) v15: manage VPN clients, configs, QR codes and server status

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
Wiki.js

Search, read and edit Wiki.js pages, and manage its assets, users, groups and comments

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet
Woodpecker CI

Read Woodpecker CI repositories, pipelines and logs, and drive builds, secrets and crons

Developer ToolsCode & DevOps

Not measuredNot measured4 / 6Not checked yet