rmcp-macros

3.0.0-beta.1 - 2026-07-23

Added

• add client-side TTL-honoring response cache (SEP-2549) (#1025)
• [breaking] Implement SEP-2663 Tasks Extension (#1020)
• add subscription listen streams (SEP-2575) (#1000)
• add modern client lifecycle modes (SEP-2575) (#995)
• [breaking] implement SEP-2549 cache hints (#889)
• [breaking] add MRTR behavior support (SEP-2322) (#929)
• relax outputSchema to accept non-object JSON Schema types (SEP-2106) (#895)
• [breaking] add MRTR model types (SEP-2322) (#915)

Other

• update for 2026-07-28 version (#1032)

rmcp

3.0.0-beta.1 - 2026-07-23

Added

• route SEP-2260 associated server requests to the originating SSE stream (#1029)
• [breaking] add distributed SSE event store (#1024)
• add client-side TTL-honoring response cache (SEP-2549) (#1025)
• [breaking] Implement SEP-2663 Tasks Extension (#1020)
• add subscription listen streams (SEP-2575) (#1000)
• (auth) bind DCR client credentials to issuing authorization server (SEP-2352) (#998)
• add modern client lifecycle modes (SEP-2575) (#995)
• (auth) accumulate client-side scopes during step-up authorization (#888)
• [breaking] add server discovery and negotiation (SEP-2575) (#973)
• (conformance) add SEP-2243 header validation tool (#997)
• [breaking] align metadata models with draft schema (#993)
• [breaking] implement SEP-2549 cache hints (#889)
• [breaking] add MRTR behavior support (SEP-2322) (#929)
• [breaking] type Annotations.lastModified as a string (#956)
• [breaking] add SEP-2243 HTTP standard headers (#907)
• relax outputSchema to accept non-object JSON Schema types (SEP-2106) (#895)
• [breaking] relax tool result structuredContent type (SEP-2106) (#933)
• [breaking] add MRTR model types (SEP-2322) (#915)

Fixed

• reap completed response send tasks (#1026)
• accept stringified numeric response IDs (#1021)
• re-register after auth server change (#1011)
• .with_stateful_mode -> .with_legacy_session_mode (#1015)
• preserve negotiated progress responses (#1005)
• (server) serve draft-version requests statelessly per SEP-2567 (#999)
• pass client header conformance (#1012)
• (auth) add an SDK path for pre-registered OAuth clients (#994)
• (transport) cancel in-flight request on stateless streamable-HTTP client disconnect (#857) (#967)
• (auth) distinguish rejected refresh tokens from transient failures (#963)
• (auth) validate discovered metadata issuer (#996)
• bound streamable HTTP memory usage (#970)
• (streamable-http) preserve progress in JSON mode (#990)
• specify compatible sse-stream version (#968)
• flag schema derive on schemars feature (#966)

Other

• refactor OAuth client authorization api (#1009)
• update for 2026-07-28 version (#1032)
• (deps) update hmac requirement from 0.12 to 0.13 (#988)
• serialize JavaScript dependency install (#972)

Changed

• BREAKING: rename StreamableHttpServerConfig::stateful_mode to legacy_session_mode (and the builder with_stateful_mode to with_legacy_session_mode) to clarify that the option only affects legacy protocol versions (< 2026-07-28); per SEP-2567 the 2026-07-28 draft version is always served statelessly (#999)