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6032170087

feat(server): add request-time OAuth scope challenges (#1624) main Sam Morrow 2026-09-16 18:51:56 +02:00
b65426158e

fix(client): let OAuth-derived Authorization override caller-supplied header (#2475) sanjibani 2026-09-11 13:05:43 +05:30
5ecc791d81

fix(codemod): only count real module specifiers in project-type inference (#2765) claude[bot] 2026-09-09 23:50:57 +03:00
5119ee7fd7

fix: preserve exact OAuth resource indicators (#2581) Hugo Moreira 2026-09-03 09:36:13 -07:00
6fa42279fe

fix(client): surface underlying network error via Error.cause on probe failures (#2657) (#2726) LuckTerence 2026-09-03 22:32:08 +08:00
dcc01028ff

feat(client): add DPoP (RFC 9449) sender-constrained token support (#2629) Bhavani Shankar Garikapati 2026-08-31 10:00:18 -07:00
70de0c8b56

fix: mirror params.taskId into Mcp-Name for tasks requests (SEP-2663) (#2613) James Carman 2026-08-28 12:23:49 -04:00
7b781ed4e2

fix(server): read HTTP request bodies with a size limit and bound JSON-RPC batch length (#2698) Max 2026-08-25 14:23:40 +01:00
3924de99df

fix(client/auth): propagate saveTokens errors after refresh (#2053) Sai Asish Y 2026-08-18 12:09:20 -07:00
a81ef34ac1

docs: client log levels, elicitation completion notification; drive json-schema-2020-12-preservation on the alpha.11 referee (#2686) Felix Weinberger 2026-08-18 15:56:55 +01:00
68523682fd

docs: cover tool content types, prompt image content, elicitation defaults, ping, legacy SSE serving (#2679) Felix Weinberger 2026-08-18 13:42:45 +01:00
e3f39c1a81

docs: add ROADMAP, VERSIONING and DEPENDENCY_POLICY for the v2 line (#2680) Felix Weinberger 2026-08-18 13:34:31 +01:00
3e90449fd5

fix(core): never send notifications/cancelled for the initialize hand… (#2668) Konstantin Konstantinov 2026-08-17 14:09:11 +03:00
75dc7ea6e2

fix(server): reject a modern POST without the required MCP-Protocol-Version header (#2590) David Pavlovschii 2026-08-17 09:31:47 +03:00
03842cd9ca

fix: handle cancellation for request ID 0 (#2654) pshah19 2026-08-16 02:17:04 -07:00
27a94b5d1c

fix(scripts): stop the snippet sync walking node_modules and cloned f… (#2664) Konstantin Konstantinov 2026-08-14 17:03:06 +03:00
cc4b41617c

Version Packages (#2555) @modelcontextprotocol/server@2.0.0 @modelcontextprotocol/server-legacy@2.0.0 @modelcontextprotocol/node@2.0.0 @modelcontextprotocol/hono@2.0.0 @modelcontextprotocol/fastify@2.0.0 @modelcontextprotocol/express@2.0.0 @modelcontextprotocol/core@2.0.0 @modelcontextprotocol/codemod@2.0.0 @modelcontextprotocol/client@2.0.0 github-actions[bot] 2026-07-28 00:52:57 +01:00
faa7e2b470

fix(client): treat HTTP 401/403 on the negotiation probe as auth failures, not legacy evidence (#2564) Felix Weinberger 2026-07-28 00:41:02 +01:00
a9835b4149

docs: comprehensive GA pass — stable-release wording, released-spec links, install tags (#2566) Felix Weinberger 2026-07-27 23:32:17 +01:00
f6fbd48e0c

chore: exit changesets prerelease mode (#2565) Felix Weinberger 2026-07-27 21:10:50 +01:00
2d889f2b32

chore: bump version to 1.30.0 (#2563) 1.30.0 Felix Weinberger 2026-07-27 18:53:15 +01:00
e3f3daa12c

Fix SSE keep-alive timer lifecycle in Streamable HTTP server transport (v1.x) (#2547) Felix Weinberger 2026-07-27 18:24:58 +01:00
f130e1ac5f

fix(validators): honor declared draft-07/06 JSON Schema dialects instead of rejecting them (#2534) Felix Weinberger 2026-07-27 16:11:06 +01:00
6dac272880

test: bump conformance referee to 0.2.0-alpha.10, unbaseline server-stateless (#2557) Paul Carleton 2026-07-27 15:37:33 +02:00
470678d56b

fix: send SSE keep-alive comment frames from WebStandardStreamableHTTPServerTransport (#2541) Matt 2026-07-27 14:21:49 +01:00
bb5a718cbf

fix(deps): widen @hono/node-server past GHSA-frvp-7c67-39w9 (#2549) dev_Hakaze 2026-07-27 19:18:46 +07:00
1dad2634ce

fix: send SSE keep-alive comment frames from Streamable HTTP server transport (v1.x) (#2538) Matt 2026-07-23 17:22:29 +01:00
1e1392e3f9

Version Packages (beta) (#2512) @modelcontextprotocol/server@2.0.0-beta.5 @modelcontextprotocol/server-legacy@2.0.0-beta.5 @modelcontextprotocol/node@2.0.0-beta.5 @modelcontextprotocol/hono@2.0.0-beta.5 @modelcontextprotocol/fastify@2.0.0-beta.5 @modelcontextprotocol/express@2.0.0-beta.5 @modelcontextprotocol/core@2.0.0-beta.5 @modelcontextprotocol/codemod@2.0.0-beta.5 @modelcontextprotocol/client@2.0.0-beta.5 github-actions[bot] 2026-07-21 14:34:35 +01:00
6fe196310d

fix(client): probe stdio servers on a disposable sibling process (#2514) Felix Weinberger 2026-07-21 13:07:12 +01:00
f4137630c0

Align 2026-07-28 wire with spec PR #3002: serverInfo in result _meta, clientInfo optional (#2513) Felix Weinberger 2026-07-20 16:09:55 +01:00
f60dff0674

feat(client): accept a cached era verdict on ConnectOptions.prior (#2511) Felix Weinberger 2026-07-17 17:25:02 +01:00
1480241e2a

Export Protocol and mergeCapabilities from client/server package roots (#2501) Felix Weinberger 2026-07-17 14:37:31 +01:00
e81758caed

Version Packages (beta) (#2484) @modelcontextprotocol/server@2.0.0-beta.4 @modelcontextprotocol/server-legacy@2.0.0-beta.4 @modelcontextprotocol/node@2.0.0-beta.4 @modelcontextprotocol/hono@2.0.0-beta.4 @modelcontextprotocol/fastify@2.0.0-beta.4 @modelcontextprotocol/express@2.0.0-beta.4 @modelcontextprotocol/core@2.0.0-beta.4 @modelcontextprotocol/codemod@2.0.0-beta.4 @modelcontextprotocol/client@2.0.0-beta.4 github-actions[bot] 2026-07-13 18:38:22 +01:00
ee8267af4a

chore: version the codemod with the core SDK fixed group (#2486) Felix Weinberger 2026-07-13 18:30:08 +01:00
5db6e38f2b

refactor(client): response cache stores serialized documents; drop structuredClone (#2468) Felix Weinberger 2026-07-13 17:39:41 +01:00
3f07a325c6

perf: add preloadSchemas() and warm wire schemas eagerly on workerd (#2483) Felix Weinberger 2026-07-13 17:27:22 +01:00
8e1d2e92b1

refactor: move the schema source modules into @modelcontextprotocol/core (#2477) Felix Weinberger 2026-07-13 17:19:58 +01:00
7c49b47fb3

perf: construct the default Ajv engine lazily on first validation (#2458) Felix Weinberger 2026-07-13 17:09:06 +01:00
e0a0ab74d9

perf: build era wire schemas lazily through memoized factories (#2476) Felix Weinberger 2026-07-13 17:03:47 +01:00
95d28cbae9

Version Packages (beta) (#2471) @modelcontextprotocol/server@2.0.0-beta.3 @modelcontextprotocol/node@2.0.0-beta.3 @modelcontextprotocol/hono@2.0.0-beta.3 @modelcontextprotocol/fastify@2.0.0-beta.3 @modelcontextprotocol/express@2.0.0-beta.3 @modelcontextprotocol/core@2.0.0-beta.3 @modelcontextprotocol/codemod@2.0.0-beta.3 @modelcontextprotocol/client@2.0.0-beta.3 github-actions[bot] 2026-07-09 14:35:52 +01:00
9b41b5685d

fix(client): initialize requests never carry a session id; capture only from the initialize response (#2469) Felix Weinberger 2026-07-09 14:28:19 +01:00
44797d7779

fix(core): restore the v1 content default for tools/call results on the legacy era (#2456) Felix Weinberger 2026-07-09 14:02:08 +01:00
3834921074

fix: convert elicitation Standard Schemas via an explicit wire-grammar walk (#2454) Felix Weinberger 2026-07-09 12:30:57 +01:00
24be4040d4

feat(server): accept Standard Schemas in inputRequired.elicit (#2369) Matt 2026-07-09 11:04:16 +01:00
cc70c5e6a9

fix(client): preserve pre-set transport handlers across the version-negotiation probe window (#2455) Felix Weinberger 2026-07-07 15:09:41 +01:00
0ab5d1471d

fix(server): trim OWS from standard MCP headers (#2453) Matt 2026-07-07 14:22:45 +01:00
7e697354de

fix(server): return Invalid Params for malformed resource URIs (#2451) Matt 2026-07-07 13:48:48 +01:00
e2aeac2085

chore(deps): bump denoland/setup-deno from 2.0.4 to 2.0.5 (#2443) dependabot[bot] 2026-07-07 08:32:12 +00:00
69749aa508

Validate Content-Type by parsed media type instead of substring match (v1.x) (#2444) Felix Weinberger 2026-07-06 21:03:35 +01:00
78fabea445

Use protected HTTP wiring in examples and guides (#2445) Felix Weinberger 2026-07-06 21:03:15 +01:00
561c6d8345

fix(server): validate Content-Type by parsed media type instead of substring match (#2441) Felix Weinberger 2026-07-06 20:29:58 +01:00
7015d2129b

examples: web-standard twin of the bearer-auth story (#2424) Felix Weinberger 2026-07-06 19:58:41 +01:00
e8de519d31

fix: keep validator providers off root declarations (#2425) Sehlani042 2026-07-07 02:34:24 +08:00
d2f1bed893

Fix import ordering in client auth (#2442) Felix Weinberger 2026-07-06 19:24:13 +01:00
61866d7a5f

feat(server): runtime-neutral OAuth discovery serving for web-standard hosts (#2422) Felix Weinberger 2026-07-06 18:02:06 +01:00
ce2f65db0e

fix(core): make instanceof on SDK error classes work across bundled copies (#2384) Felix Weinberger 2026-07-06 15:53:12 +01:00
e6cc5dc633

chore(deps): bump actions/checkout from 6 to 7 (#2338) dependabot[bot] 2026-07-06 14:04:08 +00:00
1b90c96d11

fix(packaging): expose Ajv from CJS validator subpaths (#2431) morluto 2026-07-06 22:00:16 +08:00
ddba550fa9

docs: point readers (and their LLMs) at the markdown renditions (#2427) Felix Weinberger 2026-07-02 21:34:20 +01:00
43c13c5fd5

docs: fix sidebar overflow at mid-width viewports and add a favicon (#2426) Max 2026-07-02 20:38:50 +01:00
7635115d01

feat(server): runtime-neutral requireBearerAuth for web-standard hosts (#2420) Felix Weinberger 2026-07-02 19:35:21 +01:00
79dc162efc

Read codemod target versions from workspace manifests at build time (#2419) Felix Weinberger 2026-07-02 16:01:32 +01:00
ddf6cc1d73

docs(servers): document resources/subscribe serving; exercise subscriptions in the resources example (#2413) Felix Weinberger 2026-07-02 14:18:25 +01:00
35f6856a17

Version Packages (beta) (#2416) @modelcontextprotocol/server@2.0.0-beta.2 @modelcontextprotocol/server-legacy@2.0.0-beta.2 @modelcontextprotocol/node@2.0.0-beta.2 @modelcontextprotocol/hono@2.0.0-beta.2 @modelcontextprotocol/fastify@2.0.0-beta.2 @modelcontextprotocol/express@2.0.0-beta.2 @modelcontextprotocol/core@2.0.0-beta.2 @modelcontextprotocol/codemod@2.0.0-beta.2 @modelcontextprotocol/client@2.0.0-beta.2 github-actions[bot] 2026-07-02 13:26:04 +01:00
3c7ddafa05

test(conformance): bump referee to 0.2.0-alpha.9; arm SEP-2575 diagnostic fixtures; fix post-dispatch -32021 HTTP status (#2399) Felix Weinberger 2026-07-02 13:17:08 +01:00
1ea960b5bb

chore(examples): bump better-auth to ^1.6.2 (#2415) Felix Weinberger 2026-07-02 13:16:52 +01:00
eacf2e5dbe

Add --protocol-version flag to cli-client example (#2406) Felix Weinberger 2026-07-02 13:12:49 +01:00
448ba0ff54

chore: drop duplicate CommonJS changeset (#2414) Felix Weinberger 2026-07-02 12:20:43 +01:00
ef120b2be0

chore: add missing changesets for CommonJS builds and codemod iterations (#2412) Felix Weinberger 2026-07-02 12:07:06 +01:00
d000de8232

Update README.md (#2411) Felix Weinberger 2026-07-02 10:49:12 +01:00
1772473b76

codemod iterations 5 (#2398) Konstantin Konstantinov 2026-07-02 00:34:43 +03:00
ebca273a3c

docs: generate llms.txt, llms-full.txt, and markdown page renditions (#2407) Felix Weinberger 2026-07-01 20:01:13 +01:00
f172626a8e

feat(packaging): ship CommonJS builds alongside ESM for v2 packages (#2405) Matt 2026-07-01 17:40:37 +01:00
2f4ad132fe

chore(deps): bump changesets/action from 1.7.0 to 1.9.0 (#2260) dependabot[bot] 2026-07-01 08:19:36 +00:00
2dcf10bea5

Version Packages (beta) (#2404) v2.0.0-beta.1 @modelcontextprotocol/server@2.0.0-beta.1 @modelcontextprotocol/server-legacy@2.0.0-beta.1 @modelcontextprotocol/node@2.0.0-beta.1 @modelcontextprotocol/hono@2.0.0-beta.1 @modelcontextprotocol/fastify@2.0.0-beta.1 @modelcontextprotocol/express@2.0.0-beta.1 @modelcontextprotocol/core@2.0.0-beta.1 @modelcontextprotocol/codemod@2.0.0-beta.1 @modelcontextprotocol/client@2.0.0-beta.1 github-actions[bot] 2026-06-30 23:42:35 +01:00
5ad6cd114b

chore: prune consumed alpha changesets to unblock the release workflow (#2403) Felix Weinberger 2026-06-30 23:30:57 +01:00
a4002596b9

chore: enter beta prerelease mode (#2402) Felix Weinberger 2026-06-30 23:05:07 +01:00
e7137a7031

Version Packages (alpha) (#2375) @modelcontextprotocol/server@2.0.0-alpha.4 @modelcontextprotocol/server-legacy@2.0.0-alpha.4 @modelcontextprotocol/node@2.0.0-alpha.4 @modelcontextprotocol/hono@2.0.0-alpha.4 @modelcontextprotocol/fastify@2.0.0-alpha.4 @modelcontextprotocol/express@2.0.0-alpha.4 @modelcontextprotocol/core@2.0.0-alpha.2 @modelcontextprotocol/codemod@2.0.0-alpha.2 @modelcontextprotocol/client@2.0.0-alpha.4 github-actions[bot] 2026-06-30 21:57:31 +01:00
c0a5680f0c

docs: name the current site in both version banners and add a beta callout to the landing page (#2401) Felix Weinberger 2026-06-30 21:40:18 +01:00
3c02ffb5d9

chore: add missing changeset for @modelcontextprotocol/core (#2400) Felix Weinberger 2026-06-30 21:25:28 +01:00
b153505428

docs: rebuild the v2 documentation around a task-based page tree (#2397) Felix Weinberger 2026-06-30 21:18:42 +01:00
708d5455d9

docs: turn the version banners into working cross-site links (#2396) Felix Weinberger 2026-06-30 16:28:40 +01:00
732abe0ac4

docs: replace the typedoc site with VitePress (v2 + v1 reface) (#2395) Felix Weinberger 2026-06-30 16:03:19 +01:00
801111ea15

fix(packaging): inline the fast-uri URIComponent type; drop stale typesVersions (#2394) Felix Weinberger 2026-06-30 15:47:59 +01:00
14160f724b

docs(migration): close v1-to-v2 guide gaps found while migrating sample dependents (#2392) Felix Weinberger 2026-06-30 15:40:36 +01:00
e4e8b22dff

feat(codemod): manifest handling overhaul and fixes from migrating sample dependents (#2393) Felix Weinberger 2026-06-30 15:01:07 +01:00
6cc7b1cb66

feat(node): export toWebRequest(), the IncomingMessage→Request conversion inside toNodeHandler (#2390) Felix Weinberger 2026-06-30 11:47:44 +01:00
199a28e9e2

docs: correctness and coverage pass for the 2026-07-28 revision (#2389) Felix Weinberger 2026-06-29 18:44:25 +01:00
36055d5bbd

codemod iterations (#2386) Konstantin Konstantinov 2026-06-29 20:16:37 +03:00
49aeb8eb38

docs(server,examples): document extension capabilities with a runnable example (#2387) Felix Weinberger 2026-06-29 17:02:22 +01:00
f0bf785239

Serve input_required handlers on 2025-era connections via a legacy fulfilment shim (#2381) Felix Weinberger 2026-06-29 16:43:43 +01:00
7c42d476cd

docs(migration): align four passages with the implementation (#2388) Felix Weinberger 2026-06-29 16:32:33 +01:00
326ee89bd3

docs(migration): dual-role instanceof caveat in the Errors section (#2385) Felix Weinberger 2026-06-29 15:39:32 +01:00
b96a94c6b1

docs(migration): close guide gaps surfaced by real v1-to-v2 migrations (#2382) Felix Weinberger 2026-06-29 15:16:07 +01:00
9f8ba61279

fix(codemod): keep request() result schemas the call still needs (#2383) Felix Weinberger 2026-06-29 15:00:39 +01:00
ba27d201e1

feat(examples): add a reference host/server pair — cli-client + todos-server (#2380) Felix Weinberger 2026-06-29 13:58:32 +01:00
1823aae891

Implement MCP 2026-07-28 (#2286) Felix Weinberger 2026-06-26 14:01:10 +01:00
e4227d135c

Version Packages (alpha) (#1845) @modelcontextprotocol/server-legacy@2.0.0-alpha.3 github-actions[bot] 2026-06-25 20:44:33 +01:00
0fb8406d83

v2: codemod iterations, canonical zod schema exports from sdk-shared (#2354) Konstantin Konstantinov 2026-06-25 21:42:44 +03:00
7ea6fde1b6

test(client): cover refresh retry after invalid token 401 (#2367) Matt 2026-06-25 14:59:30 +02:00