@modelcontextprotocol/sdk 1.17.1
Model Context Protocol implementation for TypeScript
@modelcontextprotocol/sdk@1.17.1 was published on 2025-07-31. Its manifest declares 12 runtime dependencies and 0 peer requirements. Bundled type declarations are not declared in the inspected metadata. The declared Node.js requirement is >=18.
All @modelcontextprotocol/sdk versions · Permanent reference to 1.17.1 · Latest release
Package specifications
| Version | 1.17.1 |
|---|---|
| License declaration | MIT |
| Published | 2025-07-31T18:37:25.172Z |
| Node.js requirement | >=18 |
| Type declarations | Not declared |
| Runtime dependency count | 12 |
| Peer requirement count | 0 |
| Optional dependency count | 0 |
| Minified size | Measurement not available yet |
| Minified + gzip | Measurement not available yet |
| Unpacked distribution size | 7336.69 KiB |
| Published file count | 413 |
| Package type | module |
| ES module entry | Not declared |
| Default entry | Not declared |
| Side effects declaration | Not declared |
| Direct advisories | 8 |
| Resolved graph dependencies | 92 |
| Repository stars | 13633 |
| Repository forks | 2317 |
Install @modelcontextprotocol/sdk 1.17.1
npm install @modelcontextprotocol/sdk@1.17.1 pnpm add @modelcontextprotocol/sdk@1.17.1 yarn add @modelcontextprotocol/sdk@1.17.1
Runtime dependencies
- ajv ^6.12.6
- zod ^3.23.8
- cors ^2.8.5
- express ^5.0.1
- raw-body ^3.0.0
- cross-spawn ^7.0.5
- eventsource ^3.0.2
- content-type ^1.0.5
- pkce-challenge ^5.0.0
- eventsource-parser ^3.0.0
- express-rate-limit ^7.5.0
- zod-to-json-schema ^3.24.1
Peer requirements
- None declared
Optional dependencies
- None declared
Resolved dependency graph
This deps.dev graph describes a generic 64-bit Linux environment, not your application lockfile.
- ajv@6.15.0 — direct
- content-type@1.0.5 — direct
- cors@2.8.6 — direct
- cross-spawn@7.0.6 — direct
- eventsource@3.0.7 — direct
- eventsource-parser@3.1.1 — direct
- express@5.3.0 — direct
- express-rate-limit@7.5.1 — direct
- pkce-challenge@5.0.1 — direct
- raw-body@3.0.2 — direct
- zod@3.25.76 — direct
- zod-to-json-schema@3.25.2 — direct
- fast-deep-equal@3.1.3 — indirect
- fast-json-stable-stringify@2.1.0 — indirect
- json-schema-traverse@0.4.1 — indirect
- uri-js@4.4.1 — indirect
- object-assign@4.1.1 — indirect
- vary@1.1.2 — indirect
- path-key@3.1.1 — indirect
- shebang-command@2.0.0 — indirect
- which@2.0.2 — indirect
- accepts@2.0.0 — indirect
- body-parser@2.4.0 — indirect
- content-disposition@2.0.1 — indirect
- content-type@2.1.0 — indirect
- cookie@0.7.2 — indirect
- cookie-signature@1.2.2 — indirect
- debug@4.4.3 — indirect
- depd@2.0.0 — indirect
- encodeurl@2.0.0 — indirect
- escape-html@1.0.3 — indirect
- etag@1.8.1 — indirect
- finalhandler@2.1.1 — indirect
- fresh@2.0.0 — indirect
- http-errors@2.0.1 — indirect
- merge-descriptors@2.0.0 — indirect
- mime-types@3.0.2 — indirect
- on-finished@2.4.2 — indirect
- once@1.4.0 — indirect
- parseurl@1.3.3 — indirect
- proxy-addr@2.0.8 — indirect
- qs@6.17.0 — indirect
- range-parser@1.3.0 — indirect
- router@2.2.0 — indirect
- send@1.2.1 — indirect
- serve-static@2.2.1 — indirect
- statuses@2.0.2 — indirect
- type-is@2.1.0 — indirect
- bytes@3.1.2 — indirect
- iconv-lite@0.7.3 — indirect
- unpipe@1.0.0 — indirect
- punycode@2.3.1 — indirect
- shebang-regex@3.0.0 — indirect
- isexe@2.0.0 — indirect
- negotiator@1.1.0 — indirect
- content-type@2.1.0 — indirect
- ms@2.1.3 — indirect
- inherits@2.0.4 — indirect
- setprototypeof@1.2.0 — indirect
- toidentifier@1.0.1 — indirect
- mime-db@1.54.0 — indirect
- ee-first@1.1.1 — indirect
- wrappy@1.0.2 — indirect
- forwarded@0.2.0 — indirect
- ipaddr.js@1.9.1 — indirect
- es-define-property@1.0.1 — indirect
- side-channel@1.1.1 — indirect
- is-promise@4.0.0 — indirect
- path-to-regexp@8.4.2 — indirect
- content-type@2.1.0 — indirect
- media-typer@1.1.1 — indirect
- safer-buffer@2.1.2 — indirect
- content-type@2.1.0 — indirect
- es-errors@1.3.0 — indirect
- object-inspect@1.13.4 — indirect
- side-channel-list@1.0.1 — indirect
- side-channel-map@1.0.1 — indirect
- side-channel-weakmap@1.0.2 — indirect
- call-bound@1.0.4 — indirect
- get-intrinsic@1.3.1 — indirect
- call-bind-apply-helpers@1.0.2 — indirect
- async-function@1.0.0 — indirect
- async-generator-function@1.0.0 — indirect
- es-object-atoms@1.1.2 — indirect
- function-bind@1.1.2 — indirect
- generator-function@2.0.1 — indirect
- get-proto@1.0.1 — indirect
- gopd@1.2.0 — indirect
- has-symbols@1.1.0 — indirect
- hasown@2.0.4 — indirect
- math-intrinsics@1.1.0 — indirect
- dunder-proto@1.0.1 — indirect
How to interpret the specifications
Bundlephobia measurements use its standard package build and may exclude peer dependencies. Unpacked npm distribution size includes shipped files and is a different measurement. Module declarations do not prove tree-shaking or runtime compatibility.
Advisories apply to this package version directly; transitive dependencies need separate inspection. Repository signals describe the whole repository and are current observations, including on historical-version pages.
Known direct advisories
Evidence and freshness
- https://registry.npmjs.org/%40modelcontextprotocol%2Fsdk/1.17.1 — retrieved 2026-10-29T12:27:32.348Z
- https://api.deps.dev/v3/projects/github.com%2Fmodelcontextprotocol%2Ftypescript-sdk — retrieved 2026-10-29T08:40:26.943Z
- https://api.deps.dev/v3/systems/npm/packages/%40modelcontextprotocol%2Fsdk/versions/1.17.1 — retrieved 2026-10-29T12:27:32.858Z
- https://api.deps.dev/v3/systems/npm/packages/%40modelcontextprotocol%2Fsdk/versions/1.17.1:dependencies — retrieved 2026-10-29T12:27:32.885Z