Release / 14 Sep 2026 / with mcpb-v4.0.5, [email protected], @upstash/[email protected], @upstash/[email protected], mcpb-v4.0.6, [email protected], @upstash/[email protected], @upstash/[email protected], @upstash/[email protected], mcpb-v4.0.7, @upstash/[email protected], mcpb-v4.1.0, @upstash/[email protected], mcpb-v4.1.1

Context7 @upstash/[email protected]

Configure an on-premise Context7 MCP endpoint from the CLI.

All of Context7

Before you upgrade to @upstash/[email protected]

2 to fix

SDK requests now time out after 30 seconds; set `timeout: false` or a longer timeout when needed. Narrow array-or-string results when selecting formats at runtime. New options cover cancellation, retries, custom fetch and token providers.

Action requiredSearch libraries and retrieve documentation from a TypeScript application.Affects: SDK callers relying on unlimited request duration or runtime-selected response formats.

Read the evidence

upstash/context7/blob/@upstash/[email protected]/packages/sdk/CHANGELOG.md

Claude Code plugin requests require authentication in 4.0.5. Version 4.0.7 allows anonymous access only for an empty API-key header; configure working credentials for authenticated access.

Action requiredSign in to a Context7 MCP connection using OAuth.Affects: Claude Code plugin users.

Read the evidence

upstash/context7/blob/@upstash/[email protected]/packages/mcp/CHANGELOG.md

Unused MCP notification subscriptions are disabled so static tool, prompt and resource collections do not hold SSE streams open.

Behavior changedConnect coding clients to a locally run documentation server over stdio or HTTP.Affects: HTTP clients subscribing to MCP collection notifications.

Read the evidence

upstash/context7/blob/@upstash/[email protected]/packages/mcp/CHANGELOG.md

What changed in @upstash/[email protected]

Setup accepts `--base-url` with personal API-key entry or anonymous-auth discovery. The SDK adds HTTP controls and token providers, with a new default request timeout.

CLI 0.5.10–0.5.11; SDK 0.4.0–0.4.1; MCP 4.0.5–4.1.1.

New things you can do

Connect a coding agent to an on-premise Context7 MCP deployment.

Added

Read the evidence

upstash/context7/blob/[email protected]/packages/cli/CHANGELOG.md

Authenticate MCP requests with a Vercel Marketplace resource OIDC token.

AddedInferred

Read the evidence

Fixed and improved

MCP setup uses API keys returned by device login directly instead of sending them to a dashboard-session key-generation endpoint.

Now worksConfigure Context7 documentation access and rules for coding agents.

Read the evidence

upstash/context7/blob/[email protected]/packages/cli/CHANGELOG.md

Seeded by @iluxav with Codex, from the release's public sources. Each change links to its evidence.