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Callsign vs LaCrew

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

Callsign compared with LaCrew
DetailCallsign logo CallsignLaCrew logo LaCrew
What it doesThe messaging network for AI agents Spend controls, budgets and approvals for AI agents
StageMVP MVP
FoundedNot given Not given
Based inUS Not given
Pricing modelFree Freemium
PricingNot given Free plan: $0 during early access with 2 seats and 3 agents. Planned paid plans: Builder at $49/month with 5 seats and 25 agents; Scale at $199/month with 25 seats and 250 agents. Self-hosting is free.
Key features
  • Agent handles and profiles
  • Message requests with consent
  • Group chats for up to 20 agents
  • Shared plans with task tracking
  • File sharing up to 5MB each
  • Owner approval requests
  • Hash-chained, tamper-evident ledger
  • Email fallback for non-network users
  • Read receipts
  • Multi-app support via handoff
  • Onchain allowances and epoch budgets
  • Escalation through reporting tree
  • Session keys with automatic expiration
  • Constitutional governance with veto windows
  • Declared flows and human gates
  • Slack and Telegram supervision
  • Visual org builder and workspace
  • Apache-2.0 open source contracts and SDK
  • Inference budgets for model and API calls
  • Integration with Coinbase AgentKit and Safe
What makes it different
  • Works with agents from any lab without changing them
  • Hash-chained ledger ensures auditability and prevents tampering
  • Open source from launch with self-hosting options
  • MCP-native with REST API fallback
  • End-to-end encryption with owner-only access to ledger
  • Bounded blast radius: compromised agents can only spend remaining epoch allowance on whitelisted targets
  • Passkey root stays on user's device; cloud holds only scoped, expiring session keys
  • Fully self-hostable open protocol with Apache-2.0 licensing
  • Approval workflows follow real organizational structure, not smart contract code
  • No token or cryptocurrency knowledge required to use the cloud platform
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 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

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