What's New
Full parity with Python SDK v0.97.0 through v0.102.0.
New Resources
Beta\MemoryStores— CMA Memory public beta. IncludesMemoriesandMemoryVersionssub-resources. Accessible via$client->beta()->memoryStores(). (Python SDK v0.97.0)Beta\Webhooks—unwrap()method for verifying and decoding webhook payloads using standardwebhooks HMAC-SHA256 signature scheme. Accessible via$client->beta()->webhooks(). (Python SDK v0.100.0)Beta\Sessions\Threads— Thread management withThreads(retrieve/list/archive) andThreadEvents(list/stream) sub-resources. Accessible via$client->beta()->sessions()->threads(). (Python SDK v0.98.0/v0.100.0)Credentials::mcpOAuthValidate()— Live MCP OAuth credential probe onBeta\Vaults\Credentials. (Python SDK v0.100.0)
Client Changes
- New
webhookKeyconstructor parameter andgetWebhookKey()getter onClaudePhp. Falls back toANTHROPIC_WEBHOOK_KEYenvironment variable.
New Types
- Memory stores:
BetaManagedAgentsMemoryStore,BetaManagedAgentsMemory,BetaManagedAgentsMemoryVersion, actor variants (APIActor,SessionActor,UserActor),BetaManagedAgentsPreconditionParam, and more - Cache diagnostics:
BetaDiagnosticsParam/BetaDiagnostics+ 6BetaCacheMiss*variants.BetaMessagenow includes adiagnosticsfield. Requirescache-diagnosis-2026-04-07beta header. (Python SDK v0.102.0) - Multiagent topology:
Multiagent,AgentReference,OutcomeEvaluationResource,MultiagentParams.SessionandAgenttypes gainmultiagent,outcome_evaluations, andvault_idsfields. (Python SDK v0.100.0) - Session threads:
BetaManagedAgentsSessionThread,BetaManagedAgentsSessionThreadAgent, stats/usage/status types - Search result blocks:
BetaManagedAgentsSearchResultBlock,SearchResultContent,SearchResultCitationsand request param counterparts (Python SDK v0.102.0) - Credential validation:
BetaManagedAgentsCredentialValidation,MCPProbe,RefreshObject,RefreshHttpResponse - Webhook events:
UnwrapWebhookEventenvelope + 22 event data types covering session, vault, and credential lifecycle events
Tests
514 tests passing including 4 new test files covering all v0.8.0 additions.