Knowledge and memoryOnline
Tribal
Self-hosted semantic memory over MCP for an engineering team's tacit knowledge. Needs Postgres.
- GitHub stars
- 10
MCP servers available online
Online is a software scope, not a vendor office address.
Results
75 MCP servers
Developer toolsOnline
UI Verify
Visual testing for coding agents: your agent sees every UI change it makes and triages each diff.
- GitHub stars
- 25
Search and researchOnline
Verified Handles
Look up people, organisations and things, and their official social media accounts and identifiers.
- GitHub stars
- 28
Search and researchOnline
Wayback Machine
MCP server and CLI tool for interacting with the Wayback Machine without API keys
- GitHub stars
- 61
Sales and marketingOnline
Crawlie
Technical SEO + GEO (AI-search) site audits: hosted crawls, prioritized fixes, report diffs.
- GitHub stars
- 115
Search and researchOnline
Criterion
Semantic search across 6,236 Quran verses and 12,416 authentic Hadiths for Islamic guidance.
- GitHub stars
- 20
Developer toolsOnline
Docs Mcp
Remote MCP server for Tandem docs, install guides, SDKs, workflows, and agent setup help.
- GitHub stars
- 125
Data and databasesOnline
Airtable
Read and write access to Airtable database schemas, tables, and records.
- GitHub stars
- 456
Developer toolsOnline
C64 Bridge
MCP server for Commodore 64 Ultimate hardware and VICE emulator control.
- GitHub stars
- 41
Knowledge and memoryOnline
Cathedral — Persistent Memory for AI Agents
Persistent memory and drift detection for AI agents across session restarts.
- GitHub stars
- 11
Developer toolsOnline
Codealive Mcp
Semantic code search and analysis from CodeAlive for AI assistants and agents.
- GitHub stars
- 90
Web and browser automationOnline
Computer Use
Control your computer with screenshots, mouse, and keyboard automation.
- GitHub stars
- 391
Developer toolsOnline
Concord MCP
Cross-harness communication and shared work-state for AI coding agents.
- GitHub stars
- 757
Sales and marketingOnline
Fanout
Multi-URL comparative content analysis with topical gap detection
- GitHub stars
- 13
AI and media generationOnline
gflow-cli
Drive Google Flow from an agent: Veo video and Imagen image generation
- GitHub stars
- 346
Knowledge and memoryOnline
Hot Memory Mcp
Two-tier memory: hot cache (0ms) + semantic search. Self-organizing.
- GitHub stars
- 14
Search and researchOnline
Mcp Omnisearch
MCP server for integrating Omnisearch with LLMs
- GitHub stars
- 359
Data and databasesOnline
Mcp Sqlite Tools
MCP server for local SQLite database operations
- GitHub stars
- 20
Knowledge and memoryOnline
Notebooklm Mcp Secure
Security-hardened NotebookLM MCP with post-quantum encryption
- GitHub stars
- 88
Search and researchOnline
Open Library
Search books and authors on the Internet Archive's Open Library
- GitHub stars
- 100
Productivity and collaborationOnline
Remi
Apple Reminders CLI and MCP server with section support and iCloud sync
- GitHub stars
- 26
CommunicationOnline
Gmail
Allow AI systems to read, send, archive, and manage emails via Gmail.
- GitHub stars
- 12
Categories in Online
Questions
What kinds of MCP servers are in Online?
Categories in Online: Developer tools (20 MCP servers), Search and research (18 MCP servers), Knowledge and memory (14 MCP servers), Data and databases (10 MCP servers), and Productivity and collaboration (10 MCP servers).
Published by MCPDirectory. How we check each MCP server.