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Rhyven vs Nysa

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Rhyven compared with Nysa
DetailRhyven logo RhyvenNysa logo Nysa
What it doesMarketplace and runtime for headless, agent-first apps Shared memory for regulated companies and their AI agents
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelOpen source Freemium
PricingNot given Team plan: $10/person/month with 14-day free trial, includes meeting recording, email and calendar enrichment, knowledge organized by topic, private scopes and projects, agent keys with custom permissions, import existing brain, and MCP for all agents. Enterprise plan: custom pricing for regulated a
Key features
  • Install agent-first apps without graphical interface
  • Connect via MCP or REST protocols
  • Browse and install from marketplace
  • Run apps locally on your server or computer
  • Share app results between connected agents
  • Build custom apps using Python, JavaScript or containers
  • Test improvements before reusing apps
  • Keep apps private or publish to marketplace
  • Optional runner to track tasks without model API agent
  • Linux x86-64 and ARM64 support
  • Records and transcribes meetings with visible participant
  • Automatically extracts facts from email and calendar
  • Scoped access control with automatic sorting
  • Private projects limited to members
  • Agent API keys with read-only or read-write permissions
  • Works with Claude, ChatGPT, Cursor, Codex over MCP
  • Import existing brain from markdown, Obsidian, or GBrain
  • Facts organized by topic with full history
  • Raw email stays private to owner, team sees extracted facts only
  • 180 days of email history imported on day one
What makes it different
  • Data stays in your own environment
  • Add tools without changing agent harness
  • Multiple agents share results in same collection
  • Agents can create tools by automating repeated work
  • Open source with Apache 2.0 license
  • Every fact is scoped automatically by sensitivity level and agents see only what their teammate can access
  • Agents can write back to the same brain over MCP, updating shared knowledge in real time
  • CASA Tier 2 security assessed and verified by Google for Gmail and Calendar access
  • Onboard entire team in under 5 minutes with one-click Google sign-in
  • Data never used to train AI models, privacy verified in policy
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet −1 (down) since last check2 −1 (down) since last check
Trust Flow (Majestic)09
Citation Flow (Majestic)1226
Referring domains (Majestic)2132

4 details filled in for both companies.

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