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Delegated and user-to-agent auth · #6 by signal score

Stytch

Developer identity platform whose Connected Apps turn an application into an OAuth and OIDC authorization server for AI agents and remote MCP servers, including Cross App Access. Acquired by Twilio in 2025.

Acquired by Twilio, announced 2025-10-30, closed 2025-11-14 ($104.1M, per SEC filing).

14Signal score / 100
Capital
0/35
Product
14/25
Standards
0/20(not yet assessed)
Momentum
0/20

Identity primitives

Agent as a first-class identityNot checked
On-behalf-of token exchangeNot checked
Cross App Access (ID-JAG)Claimed
Asynchronous human approval (CIBA)Not checked
MCP authorization conformanceClaimed
Fine-grained authorizationNot checked
Short-lived, secretless credentialsNot checked
Token vaultNot checked
Kill switchNot checked
Per-action audit chainNot checked

Company

HQ: US
Funding: Not disclosed

Sources

  1. Stytch: MCP authorization overview (vendor, accessed 2026-09-23)
  2. Twilio acquired Stytch, an identity platform for AI agents (vendor, accessed 2026-09-23)
  3. Stytch, an API-first passwordless startup, raises $90M Series B at $1B valuation (trade-press, accessed 2026-09-23)
  4. Twilio Inc. Form 10-K for the year ended December 31, 2025 (sec, accessed 2026-09-23)

Last verified 2026-09-23.