W3C Just Updated the DID Spec. Dock Labs Built an MCP Server for It. Here Is What Matters for Agent Builders.

Three things happened this week that, together, tell a story about where agent identity is heading. 1. W3C Published DID v1.1 (Comment Deadline: April 5) The W3C Decentralized Identifier Working Group published a Candidate Recommendation Snapshot of DID v1.1 . This is the first major update since the original v1.0 spec became a W3C standard in 2022. What changed: updated syntax, refined data model, clearer serialization rules, and — critically — the spec is now inviting implementations to test its stability. Comments are open on GitHub until April 5, 2026. Why it matters for agents: DIDs give every entity (human, organization, or agent) a persistent, cryptographically verifiable identifier that does not depend on any single platform. When your agent has a DID, it can prove its identity to any other system that understands the spec — without a central authority. 2. Dock Labs Shipped an MCP Server for DID Operations Dock Labs released a Model Context Protocol (MCP) server that lets AI ag