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Vercel MCP now supports Client ID Metadata Documents

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Any MCP client can now ask to connect to Vercel MCP . You still log in and approve each connection, but the client no longer has to be reviewed by Vercel first. Previously, Vercel reviewed and allowlisted each client and its redirect URIs by hand, and anything not on the list was rejected.

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Also shipped Nov 2, 2026Vercel in November 2026 →

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Projects can now be configured with vercel.toml

Vercel now supports vercel.toml , which allows you to to configure your project using the TOML configuration format . All of the same configuration properties are supported as in vercel.json , but it supports comments and has a flatter structure. All projects can now use vercel.toml .

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Vercel MCP now renders deployments as an interactive card

Vercel MCP can now show your deployments as an interactive card inside ChatGPT and other chat clients that support MCP Apps . The card shows live deployment status, build logs, and source and commit details, with a Visit button once the deployment URL is ready.

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Flags Explorer redesigned for easier override sharing

Flags Explorer is a tool in the Vercel Toolbar where you can see which feature flags are active on your end, and share them with your team, either by setting them for the branch or through a URL. The Explorer surface has been redesigned to co-locate overrides, branch recommendations, and any related actions.

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Evaluate Vercel Flags from another project without sharing SDK keys

Project Connections let applications evaluate flags defined in another Vercel project within the same team, without managing SDK keys. Previously, sharing flags between projects required copying a server SDK key into an environment variable and managing it manually. Connected projects authenticate using their deployment’s identity.

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Blocking malicious npm packages before and during installation

Vercel now checks for blocked npm packages before and during dependency installation in builds , helping prevent malicious install scripts from running. The checks use a blocklist of specific package versions selected for blocking because of malware or security vulnerabilities, with new rules typically reaching new builds within minutes.

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