`@modelcontextprotocol/sdk`

Ecosystem:
npm

Package URL:
pkg:npm/@modelcontextprotocol/sdk

Total PRs:
8,620 Dependabot PRs

Latest PR:
about 20 hours ago

Unique Repositories:
3,035 repositories

Unique Repos (30 days):
81 repositories

Security Advisories

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

GHSA-345p-7cg4-v4c7 CVE-2026-25536 HIGH published 4 months ago • updated about 2 months ago

### Summary Cross-client data leak via two distinct issues: (1) reusing a single `StreamableHTTPServerTransport` across multiple client requests, ...

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

GHSA-8r9q-7v3j-jr4g CVE-2026-0621 HIGH published 5 months ago • updated 6 days ago

### Impact A ReDoS vulnerability in the `UriTemplate` class allows attackers to cause denial of service. The `partToRegExp()` function generates a...

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

GHSA-w48q-cv73-mx4w CVE-2025-66414 HIGH published 6 months ago • updated 2 days ago

The Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP ...

Recent PRs (filtered by: Open )

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chore(deps): bump the npm_and_yarn group across 3 directories with 12 updates

Sherlock999xxx/voltagent #9

1.17.2 → 1.26.0 Minor PR

Open 4 months ago 4 comments

chore(deps): bump the npm_and_yarn group across 5 directories with 4 updates

kubb-labs/kubb #2547

1.21.1 → 1.26.0 Minor PR

Open 4 months ago 13 comments

Bump the npm_and_yarn group across 3 directories with 20 updates

GlacierEQ/plate #4

1.12.1 → 1.27.0 Minor PR

Open 4 months ago 3 comments

chore(deps): bump the npm_and_yarn group across 8 directories with 7 updates

asrar-mared/x402 #58

1.17.3 → 1.26.0 Minor PR

Open 4 months ago 1 comment

Bump the npm_and_yarn group across 19 directories with 21 updates

GlacierEQ/activepieces #10

1.11.0 → 1.26.0 Minor PR

Open 4 months ago 3 comments

Bump the npm_and_yarn group across 4 directories with 18 updates

arthrod/plate #136

1.12.1 → 1.27.0 Minor PR

Open 4 months ago 3 comments

chore(deps): bump the npm_and_yarn group across 19 directories with 17 updates

Horlabrainmoore/genkit #61

1.0.0 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 5 directories with 4 updates

kubb-labs/kubb #2544

1.21.1 → 1.26.0 Minor PR

Open 4 months ago 5 comments

build(deps): bump the npm_and_yarn group across 2 directories with 8 updates

q1blue/gemini-cli #4

1.15.1 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 2 directories with 8 updates

sCOSTAkg/gemini-cli #4

1.15.1 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 17 directories with 15 updates

rexiliano89/genkit #7

1.15.0 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 14 directories with 8 updates

robertpelloni/borg #62

1.25.2 → 1.26.0 Minor PR

Open 4 months ago 3 comments

Bump the npm_and_yarn group across 14 directories with 18 updates

balajirajput96/activepieces #10

1.11.0 → 1.26.0 Minor PR

Open 4 months ago 1 comment

Bump @modelcontextprotocol/sdk from 1.18.2 to 1.26.0 in the npm_and_yarn group across 1 directory

vorgath-callaghan01/studio #2

1.18.2 → 1.26.0 Minor PR

Open 4 months ago 2 comments

chore(deps): bump the npm_and_yarn group across 3 directories with 7 updates

intelogroup/tabron-ai #2

1.22.0 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 8 directories with 6 updates

asrar-mared/x402 #57

1.17.3 → 1.26.0 Minor PR

Open 4 months ago 2 comments

Bump the npm_and_yarn group across 19 directories with 22 updates

GlacierEQ/activepieces #8

1.11.0 → 1.26.0 Minor PR

Open 4 months ago 4 comments

build(deps): bump the npm_and_yarn group across 1 directory with 17 updates

JounQin/renovate #6

1.11.4 → 1.26.0 Minor PR

Open 4 months ago 2 comments

chore(deps): bump the npm_and_yarn group across 5 directories with 4 updates

kubb-labs/kubb #2542

1.21.1 → 1.26.0 Minor PR

Open 4 months ago 4 comments

chore: bump the npm_and_yarn group across 3 directories with 17 updates

jadenblack/promptfoo #4

1.13.2 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 11 directories with 13 updates

supabase/supabase #43063

1.25.3 → 1.26.0 Minor PR

Open 4 months ago 2 comments

chore(deps): bump the npm_and_yarn group across 2 directories with 6 updates

Arcane-Fly/disco #170

1.25.1 → 1.26.0 Minor PR

Open 4 months ago 1 comment

build(deps): bump the npm_and_yarn group across 2 directories with 9 updates

arthrod/LibreChat #41

1.21.0 → 1.26.0 Minor PR

Open 4 months ago 2 comments

chore(deps): bump the npm_and_yarn group across 1 directory with 4 updates

chronologos/hevy-mcp #4

1.25.2 → 1.26.0 Minor PR

Open 4 months ago 1 comment

Bump the npm_and_yarn group across 1 directory with 2 updates

JuergGood/angularai #32

1.25.2 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 3 directories with 5 updates

DevGruGold/moltmall #3

1.25.3 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 15 directories with 23 updates

UniversalStandards/activepieces #8

1.11.0 → 1.26.0 Minor PR

Open 4 months ago 1 comment

build(deps): bump the npm_and_yarn group across 2 directories with 4 updates

RemyLoveLogicAI/FLOWSTATE-WEB3 #17

0.7.0 → 1.26.0 Major PR

Open 4 months ago 6 comments

Bump the npm_and_yarn group across 3 directories with 3 updates

henryperkins/tarot #53

1.25.3 → 1.26.0 Minor PR

Open 4 months ago 3 comments

chore(deps): bump the npm_and_yarn group across 1 directory with 18 updates

passariello/bolt.diy #7

1.16.0 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 4 directories with 8 updates

ExaForce/playwright #3

1.17.5 → 1.26.0 Minor PR

Open 4 months ago 7 comments

chore(deps): bump the node-dependencies group across 1 directory with 15 updates

agentic-dev-library/control #68

1.25.1 → 1.26.0 Minor PR

Open 4 months ago 2 comments

chore(deps): bump the npm_and_yarn group across 13 directories with 6 updates

HeadyMe/HeadyMonorepo #5

1.25.3 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 17 directories with 21 updates

sizzlebop/genkit #3

1.13.1 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump the npm_and_yarn group across 14 directories with 9 updates

robertpelloni/borg #61

1.25.2 → 1.26.0 Minor PR

Open 4 months ago 7 comments

chore(deps): bump the npm_and_yarn group across 7 directories with 5 updates

asrar-mared/x402 #54

1.17.3 → 1.26.0 Minor PR

Open 4 months ago 1 comment

Bump the npm_and_yarn group across 16 directories with 10 updates

KNIGHTPROJEKS-0/LANCELOTT #6

1.15.1 → 1.26.0 Minor PR

Open 4 months ago 2 comments

Bump the npm_and_yarn group across 19 directories with 24 updates

GlacierEQ/activepieces #6

1.11.0 → 1.26.0 Minor PR

Open 4 months ago 4 comments

Bump the npm_and_yarn group across 19 directories with 25 updates

GlacierEQ/activepieces #5

1.11.0 → 1.26.0 Minor PR

Open 4 months ago 2 comments

build(deps): Bump ajv and @modelcontextprotocol/sdk

sforzando/playwright-mcp-example #9

1.17.0 → 1.26.0 Minor PR

Open 4 months ago 1 comment

Bump the npm_and_yarn group across 3 directories with 6 updates

servant-io/gloo-hack-2025 #46

0.5.0 → 1.26.0 Major PR

Open 4 months ago 1 comment

Bump the npm_and_yarn group across 5 directories with 12 updates

RemyLoveLogicAI/kilocode #18

1.12.0 → 1.26.0 Minor PR

Open 4 months ago 5 comments

chore(deps): bump the npm_and_yarn group across 15 directories with 24 updates

UniversalStandards/activepieces #6

1.11.0 → 1.26.0 Minor PR

Open 4 months ago 2 comments

build(deps): bump ajv and @modelcontextprotocol/sdk

zxzinn/vercel-ai-sdk-practices #118

1.20.1 → 1.26.0 Minor PR

Open 4 months ago 1 comment

build(deps): bump the npm_and_yarn group across 3 directories with 11 updates

RemyLoveLogicAI/gemini-cli #14

1.15.1 → 1.26.0 Minor PR

Open 4 months ago 7 comments

Bump the npm_and_yarn group across 2 directories with 10 updates

GlacierEQ/qwen-code #2

1.17.1 → 1.26.0 Minor PR

Open 4 months ago 3 comments

Bump the npm_and_yarn group across 21 directories with 4 updates

K1LLLAGT/mcp-server-cloudflare #2

1.11.3 → 1.26.0 Minor PR

Open 4 months ago 1 comment

chore(deps): bump ajv and @modelcontextprotocol/sdk in /gmail-mcp-extension/mcp-server

cafferychen777/gmail-mcp #63

1.17.0 → 1.26.0 Minor PR

Open 4 months ago 1 comment

Bump the npm_and_yarn group across 1 directory with 6 updates

GlacierEQ/stagehand #3

1.17.2 → 1.26.0 Minor PR

Open 4 months ago 3 comments

build(deps): Bump ajv and @modelcontextprotocol/sdk in /mcps/neuroviews-dev-mcp

MoLinesGitHub/NeuroViews #17

1.17.3 → 1.26.0 Minor PR

Open 4 months ago 1 comment

Package Details

Name:	`@modelcontextprotocol/sdk`
Ecosystem:	npm
PURL Type:	npm
Package URL:	`pkg:npm/@modelcontextprotocol/sdk`
JSON API:	View JSON

Security Advisories

3

Active advisories

HIGH 3

View All npm Advisories

Package Information

Description:

Model Context Protocol implementation for TypeScript

Repository:	https://github.com/modelcontextprotocol/typescript-sdk
Homepage:	https://modelcontextprotocol.io
Latest Release:	`1.12.1` about 1 year ago
Dependent Repos:	0
Dependent Packages:	0
Downloads:	20,675,691
Ranking:	Top 25.5593% by dependent repos Top 37.0256% by dependent pkgs

PR Status

Open 3,694 (42.9%)

Merged 494 (5.7%)

Closed 3,950 (45.8%)

PR Types

Major 294 (3.4%)

Minor 6,574 (76.3%)

Patch 1,268 (14.7%)