Siftable alternatives

1

Exomem

by Artexis10

A

Local Markdown/Obsidian knowledge substrate for MCP agents with governed memory and hybrid search.

2

Agent-Native Calendar

by BuilderIO

A

Agent-Native Google Calendar - manage events, sync, and public booking

3

Agent-Native Brain

by BuilderIO

A

Cited company knowledge from Slack, meetings, transcripts, and decisions

4

Obsidian Hybrid Search

by flowing-abyss

B

Search Obsidian vaults with hybrid full-text, fuzzy, semantic, and graph retrieval.

5

AIquila — Nextcloud MCP Server

by elgorro

C

Nextcloud MCP server — 384 tools: files, calendar, contacts, mail, Talk, Deck, photos, maps, notes

6

Intervals Icu

by hhopke

B

Read/write Intervals.icu MCP server: activities, wellness, calendar, gear, and workouts.

7

iCloud MCP

by MrGo2

B

Apple Mail, Calendar, Contacts, Reminders, Notes, Messages and Safari via AppleScript or iCloud

Instant, private access to your knowledge base: Zotero, Obsidian, Apple Notes (macOS).

9

Mu

by micro.mu

B

News, web search, mail, markets, weather, places, files, calendar, contacts. 67 tools, one endpoint.

10

Caldav

by dominik1001

B

CalDAV calendar operations (list, create, update, delete events) as MCP tools.

11

Apple Calendar

by JonathanRReed

A

List, create, update, and delete events in Apple Calendar on macOS.

12

Apple Tools (Unified)

by JonathanRReed

A

Unified Apple ecosystem MCP server for macOS: Mail, Calendar, Notes, Files, Messages, and more.

Long-term memory for AI agents — your Obsidian vault as searchable persistent memory.

14

Seekstone

by shaqmughal

A

Filesystem-direct Obsidian MCP server — search and edit your vault with low context-tax.

OurFamilyWizard co-parenting for Claude — messages, calendar, expenses, and journal

16

Gigamail

by adecubed

A

Your real mailbox and calendar for your agent (M365/IMAP); a human approves every send.

17

Obsidian Vault MCP

by luffysolution-svg

A

Local Zotero, MinerU, Obsidian literature workflow with transactional Analysis notes.

18

Google Drive MCP

by piotr-agier

B

Secure access to Google Drive, Docs, Sheets, Slides, and Calendar through MCP.

19

Orbit

by Noveum

A

Task management for people and AI agents, with scoped OAuth access to issues, projects, and docs.

20

Nouz

by Semiotronika

A

Semantic knowledge engine for Obsidian with auto-classification and DAG hierarchy

D2L Brightspace MCP server: courses, grades, rubrics, feedback, course files, calendar. Multi-auth.

22

Hive Vault

by mlorentedev

B

On-demand Obsidian vault access for AI coding assistants — 17 tools, 5 resources, 4 prompts.

Skylight Calendar for Claude — family events, chores, and rewards.

24

Google Calendar

by pulsemcp.com

B

MCP server for Google Calendar integration with service account support and domain-wide delegation.