Changelog

0.1.1 (2026-11-04)

Bug Fixes

• let the lint allow GitHub's co-author trailer for bot pull requests (#62) (13d0612)

0.1.0 (2026-11-04)

Features

• a complete notebook example with a REPL walkthrough (closes #49) (#52) (25a55a5)
• cancel 2026-07-28 HTTP requests from a posted cancel within the caller's subject (a211b75)
• cancel stateless HTTP requests from a posted notifications/cancelled (closes #16) (04105b4)
• change a running server's tools, resources and prompts (fcfec4b)
• change a running server's tools, resources and prompts (closes #9) (4c9f7ac)
• CI for tests, conventions and conformance lanes (9c02083)
• client caching from ttlMs and cacheScope (53c7539)
• client caching from ttlMs and cacheScope (closes #12) (e8c329f)
• client conformance lanes (058d285)
• client conformance leg and its CI lane (closes #5) (f9ee10b)
• client with in-process and stdio transports (0e3ef80)
• conformance fixture and runner script (bb4eaef)
• DPoP for the OAuth client (closes #42) (#54) (f0c428b)
• forward backend logs and initialize-era input through the proxy (closes #45) (#51) (f5b1b04)
• forward cancellation through the proxy (closes #59) (#60) (2e86ec3)
• full JSON Schema 2020-12 validation as an optional dependency (4dbe7bd)
• full JSON Schema 2020-12 validation as an optional dependency (closes #13) (cdb458c)
• GET event stream for initialize-era HTTP sessions (2bf4279)
• ignore notifications with malformed _meta, and cancellations with malformed params (96db6fe)
• initialize-era notifications and conformance lanes for them (1f65c30)
• instrumentation events from presa.server (826bd2d)
• instrumentation hooks (closes #17) (2748f08)
• JWT-bearer and enterprise-managed grants in the OAuth client (closes #43) (#55) (627233d)
• limits on message size, open streams and notifications (f36c25f)
• limits on message size, open streams and notifications (closes #10) (8bad0fd)
• log messages from handlers with per-request and per-session levels (57fbd23)
• multi round-trip requests with signed request state (c7be236)
• OAuth 2.1 client flows for presa.client (2a6b9ee)
• OAuth 2.1 client flows for presa.client (closes #8) (d759f9b)
• OAuth 2.1 resource server for the HTTP transport (63d8dbe)
• OAuth 2.1 resource server for the HTTP transport (closes #7) (8776f40)
• progress notifications and cancellation over stdio (717addc)
• project skeleton with protocol revisions and JSON-RPC framing (052f263)
• proxy that aggregates several MCP servers (b03eed0)
• proxy that aggregates several MCP servers (closes #18) (90081b0)
• requests from initialize-era servers to clients (cdec364)
• resources, prompts, completion, pagination and caching hints (f4d1b03)
• standalone event stream for initialize-era HTTP sessions (closes #11) (181fd7c)
• stdio tools server with an initialize opt-in (412d93f)
• stdio tools server with an initialize opt-in (152f75c)
• Streamable HTTP server and client transport (3ef4221)
• subscriptions/listen (8e25e83)
• task status notifications on subscriptions/listen (#48) (60afc14)
• Tasks extension (6044ac5)
• Tasks extension (closes #6) (0c18c7c)
• validate _meta on notifications (closes #15) (670de30)
• validate tool arguments and structured output against their schemas (4a2c9e2)

Bug Fixes

• apply :required-scopes to completion and resource subscriptions (#58) (4a9f145)
• call a listen callback before delivering the acknowledgement (98aba8e)
• follow the 2026-07-28 wire rules for meta, ping and errors (e3c4eca)
• hide tools whose schemas are not objects from initialize-era clients (closes #14) (2204dc2)
• hide tools without object schemas from initialize-era clients (359df87)
• lint the pull request's own commits, not GitHub's merge commit (46fcae0)
• omit empty params on initialize-era list notifications, and test them with an initialize-era server (378b021)
• open the session stream before a request sent after initialized (#53) (96ed12d)
• pre-release pass (JWT exp, client version), docs, tests and badges (#56) (623bc57)
• register a subscription listener before acknowledging it (63d1f61)
• skip merge commits in bb lint (c62c203)