Which companies provide identity and authorization for AI agents?
The highest-ranked companies providing identity and authorization for AI agents in SalesBook are WorkOS, Aembit, Permit.io, Scalekit and Clerk. SalesBook ranks 10 companies in this category from dated public sources and a live check of each company's agent interfaces; the shortlist below links every profile and source.
Updated 2026-10-22 · SalesBook ranking, methodology v0.3.0 · ranks are never for sale. See also all 10 in Agent identity and access.
Agentic rankings measure published agent interfaces (MCP, A2A, llms.txt) and the public evidence available, not verified Fortune 500 adoption or procurement approval.
Top 10 companies providing identity and authorization for AI agents, ranked
- WorkOS#6APIs for enterprise SSO, directory sync, audit logs and AuthKit, including auth for MCP servers and AI agents, sold to SaaS companies.
Investors: Greenoaks, Lightspeed Venture Partners · Source: techcrunch.com, checked 2026-10-19 - Aembit#22Identity and access management for AI agents and non-human workloads, issuing short-lived credentials by policy instead of long-lived secrets.
Investors: Acrew Capital, Ballistic Ventures, Ten Eleven Ventures, Okta Ventures, CrowdStrike Falcon Fund · Source: aembit.io, checked 2026-10-22 - Permit.io#23Fine-grained authorization as a service for apps, APIs and AI agents, including an MCP gateway that applies RBAC/ABAC/ReBAC to agent tool calls.
Investors: Scale Venture Partners, NFX, Firestreak, Roosh Ventures, Verissimo Ventures · Source: securityweek.com, checked 2026-10-22 - Scalekit#33Auth stack for AI agents: MCP gateway with per-user auth and scoped tool access, OAuth 2.1 for MCP servers, and SSO/SCIM for B2B apps.
Investors: Together Fund, Z47 · Source: itbrief.com.au, checked 2026-10-22 - Clerk#50Authentication and user management for developers' apps, including B2B multi-tenancy, enterprise SSO and OAuth consent for agents acting for users.
Investors: Menlo Ventures, Anthology Fund, Georgian · Source: clerk.com, checked 2026-10-22 - Descope#59Customer and agentic identity platform: no-code auth flows for users, partners, AI agents and MCP servers.
Investors: Lightspeed Venture Partners, Notable Capital, Dell Technologies Capital, Unusual Ventures · Source: notablecap.com, checked 2026-10-19 - Keycard#72Runtime identity and authorization for AI agents: per-agent identities, scoped short-lived credentials and policy, sold to enterprises.
Investors: a16z, Boldstart Ventures, Acrew Capital · Source: boldstart.vc, checked 2026-10-19 - Defakto#76Non-human IAM platform built on SPIFFE that issues short-lived runtime identities to workloads, pipelines and AI agents in place of static secrets.
Investors: XYZ Venture Capital, The General Partnership, Bloomberg Beta, WndrCo, Adverb Ventures, J.P. Morgan · Source: defakto.security, checked 2026-10-22 - Clutch Security#100Enterprise security platform for non-human identities, AI agents and secrets: discovery, posture, guardrails and threat detection.
Investors: SignalFire, Lightspeed Venture Partners, Merlin Ventures · Source: maginative.com, checked 2026-10-22 - Token Security#106Identity security platform that discovers, governs and enforces least-privilege access for enterprise AI agents and non-human identities.
Investors: Notable Capital, TLV Partners, SNR · Source: token.security, checked 2026-10-22
Questions
Which companies provide identity and authorization for AI agents?
The highest-ranked companies providing identity and authorization for AI agents in SalesBook are WorkOS, Aembit, Permit.io, Scalekit and Clerk. SalesBook ranks 10 companies in this category from dated public sources and a live check of each company's agent interfaces; the shortlist below links every profile and source.
How is this list ranked?
In SalesBook rank order under methodology v0.3.0, built only from dated public sources. Rankings are never for sale.
When was this list last updated?
2026-10-22: the most recent date a company on this list was checked against its public sources.