Serverless sandboxes that bill only for the seconds your agent's code runs
Stage
MVP
MVP
Founded
Not given
Not given
Based in
ZA
MX
Pricing model
Free
Freemium
Pricing
Not given
Shark Pro $5/month includes $5 of usage; Shark Studio $25/month includes $25; Shark Scale $100/month includes $100. Commands run at $0.12 per compute-hour, billed per second only while running. Services: 2 vCPU / 2 GiB at $0.03/h; 4 vCPU / 4 GiB at $0.06/h. Storage $0.08/GiB-month with first 5 GiB f
Key features
Agent SEAL with bronze, silver and gold levels
Service SEAL for tracking service behavior and terms
Open-source CLI for agent integration
Public ledger of checked agents and services
Cryptographic signatures for offline verification
Trust Score tracking from 0 to 200
Domain verification by DNS for silver SEALs
Verified task checking without calling tools or paying
Persistent Space for agent files and databases
Pay only for compute time while command runs, not idle or thinking time
HTTP API with Python and TypeScript SDKs
CLI for devbox with Claude Code and Codex support
Sleeping services that wake in milliseconds
Fork Spaces fast without booting VM
API key isolation outside VM with egress proxy
Fast file search with sharkfn 300–600× faster than ripgrep
Integration with LangChain, LangGraph, smolagents, and Prefect
What makes it different
Cryptographic identity and offline-verifiable SEALs for agents
No fees or sign-up required to get listed and checked
Checks services without paying or calling tools
Public ledger and leaderboards for transparency
Open source CLI for developer integration
Billing only for seconds code actually runs, not idle or thinking time
Lowest cost compared to alternatives for agent infrastructure
Persistent Storage with fast Space fork and file access without VM boot
No GPU required, works with unmodified existing agent harnesses
Sleeping services wake in milliseconds with zero idle billing
SealKeeper