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Agent Identity

Identity, authentication, and presence primitives for autonomous agents — giving each agent its own accounts, credentials, or recognizable presence.

WORKFLOW14th October
Perplexity SPACE binds requests to sandbox executions with signed proofs

Perplexity’s SPACE binds requests to sandbox executions using short-lived signed proofs, preventing stale executions from handling them. Perplexity reports millions of daily executions and an error rate below 0.0002%.

RELEASE3mo ago
Letta Agent launches persistent digital coworkers with Slack, Discord, and BYOK state

Letta introduced a desktop agent product that keeps long-term state, rewrites its own skills and wiki files over time, and follows the same identity across local and remote channels. An early practitioner demo showed a Letta agent installing a Mod for Exa-backed web search from Slack, sharpening the launch beyond the announcement thread.

NEWS3mo ago
Claude Tag users report token billing and shared-memory concerns

A day after Claude Tag launched, engineers raised token billing, lock-in, and shared-memory concerns while Anthropic described its agent-identity model. Watch how Claude behaves in shared Slack channels, where it uses its own credentials and scoped access.

RELEASE4mo ago
OpenAI adds private MCP server access over outbound-only HTTPS

OpenAI said ChatGPT, Codex, and the Responses API can reach private MCP servers over outbound-only HTTPS without inbound exposure. The same enterprise update adds workload identity federation plus admin controls for spend alerts, allowlists, retention, and hosted tools.

RELEASE5mo ago
KeycardLabs launches Keycard for multi-agent apps with token exchange and Cedar policy

Keycard launched delegated auth for multi-agent apps, issuing scoped credentials at each handoff instead of sharing broad long-lived secrets. The SDKs cover LangChain, MCP, A2A, and generic APIs while keeping credentials out of disks and databases.

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