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Leash vs Stacktrace

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

Leash compared with Stacktrace
DetailLeash logo LeashStacktrace logo Stacktrace
What it doesSpend control for AI agents Real-time steering and guardrails for AI agents
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Freemium
PricingStarter $11/month for 1 user and up to 3 devices with spend caps, kill switch, loop detection, 30 days of history and email alerts. Pro $22/month for up to 5 members and 10 devices with everything in Starter plus Slack and Discord alerts, shared team budgets, 1 year of history and invoice reconcilia Team: Free per organization, unlimited users, 200 session-hours per month. Enterprise and Gateway: Custom pricing, billed annually.
Key features
  • Loop detection to catch runaway agents
  • Reads every tool call agents make and blocks unsafe ones before they run
  • Catches stalled and runaway sessions while they run
  • Steers agents back when they go past what was asked
  • Tracks every session's tokens against usual usage
  • Stops credential and data leaks before they leave the machine
  • Inventories all agents, MCP servers and skills in use
  • Blocks dangerous calls before they run in agent hooks and at the gateway
  • Sends every finding to Slack, webhook or SIEM
  • Verifies each agent's identity before access
  • Keeps audit-grade masked records of every action and decision
What makes it different
  • Local by default with provider keys staying on your machine
  • Cost reserved before requests reach the provider to prevent overages
  • Works offline with local caps and kill switch continuing to function
  • Supports multiple models and providers including Claude, OpenAI and Anthropic
  • Team controls with scoped device access and shared budgets
  • Works with Claude Code, Codex, Cursor, Devin and more
  • Runs on your machines, gateways and in the cloud
  • Active steering corrects or stops drifting runs
  • One policy applied across all MCP servers, plugins and skills
  • Continuously monitors components for known vulnerabilities
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check3 +2 (up) since last check
Trust Flow (Majestic)013
Citation Flow (Majestic)025
Referring domains (Majestic)023

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