v0.13.3 v2.53.0
high risk
exa-labs/exa-mcp-serverSep 30, 2026 → Oct 2, 20262 days between releases
What's New
Fixes high-severity ConcurrencyLimitedModel vulnerability and adds new plugins/workspaces.
Breaking Changes
- ConcurrencyLimiter changes require custom implementations to allow release from another task
- Limiters now raise UserError if shared with agent or enclosing wrapper
New Features
- New built-in plugins: Linear, Posthog, Grain
- Workspaces support (E2B, Sprites) for running capabilities
- New ToolCallJudge for pre-execution assessment
- Posthog plugin with browser sign-in
- Grain plugin with keyring-backed sign-in
Improvements
- Add `oneOf` schema support to `TestModel`'s generated data
Bug Fixes
- Fixes high-severity security vulnerability in ConcurrencyLimitedModel
Upgrade Notes
Review ConcurrencyLimiter implementation to allow release from another task and handle UserError exceptions if limiters are shared with agents or wrappers.
The Two Releases
v0.13.3
v0.13.3
Sep 30, 2026· 22 days ago
Extends output-limit fixes to all AI providers (not just Groq/Ollama) and makes custom endpoints searchable on the Keys dashboard.
Full release notesv2.53.0
v2.53.0 (2026-10-01)
Oct 2, 2026· 20 days ago
Fixes a high-severity security vulnerability in ConcurrencyLimitedModel and introduces multiple new plugins (Linear, Posthog, Grain) and workspace features.
Full release notes