Startup
Operant AI
Secure your AI
Operant AI offers real-time discovery, detection and defense for AI, agents and MCP. Products include Agent Protector, an MCP Gateway with registries and allow/deny lists, a Semantic Firewall that allows/blocks/redacts agent actions, and an Endpoint Protector that monitors coding agents such as Claude Code and Cursor on employee devices.
Neighbours in the directory
San Francisco, CA · Est. 2023
The integration layer: hundreds of managed tools your agents can call.
Composio handles auth, schemas, observability and reliability for the external SaaS tools an agent uses — 'plumbing for agentic actions' across Slack, GitHub, Salesforce and 250+ other surfaces.
Est. 2024
A registry and toolchain for MCP servers.
Smithery indexes and helps deploy MCP (Model Context Protocol) servers — a distribution layer for the tool ecosystem agents connect to.
New York, NY · Est. 2023
Red-teaming and robustness for AI agents.
Haize Labs stress-tests agents with automated adversarial attacks — prompt injection, tool misuse, unsafe actions — and ships an SDK for continuous safety evaluation in CI.
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Built on · 1
- Model Context ProtocolProject
Sources
Verified Oct 29, 2026