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Pinecone's official plugin: bundles the Pinecone MCP server and /pinecone skill commands to create vector indexes, upsert data, search in plain language, or build a document Q&A assistant with citations from Claude Code. Needs a Pinecone API key (free sign-up); Assistant features also need uv.

HashiCorp's official MCP: lets agents manage Vault mounts, read and write KV secrets, enable PKI, create issuers and roles, and issue certificates. Needs a reachable Vault server and token; HashiCorp recommends using it only in trusted local environments.

Trivy's MCP plugin: lets agents scan local projects, container images and remote repositories for vulnerabilities and misconfigurations in plain language, optionally checking policy compliance via the Aqua platform. Requires Trivy; maintained by Aqua Security.

Alibaba Cloud's official MCP server: through the DataWorks Open API, agents manage data development nodes and workflows, operate scheduled instances, query Data Map metadata and lineage, and configure data quality rules. Needs an Alibaba Cloud AccessKey.

Helps agents add Auth0 authentication to apps: detects 35+ frameworks and covers login, MFA, SSO, RBAC, JWT validation, migration from other auth providers, and tenant security audits. Maintained by Auth0; needs an Auth0 account (free sign-up).

Phrase Strings' official CLI: phrase init walks you through config, then phrase push uploads language files and phrase pull fetches the latest translations; it also wraps the full API for projects, locales and keys. Needs a Phrase Strings account (paid, 14-day free trial) and an API token.

Supabase's official plugin: Supabase and Postgres best-practice skills plus the Supabase remote MCP to manage projects, run SQL, design schemas and RLS policies, and handle auth and storage. Needs a Supabase account.

GitGuardian's official MCP: scans code for leaked secrets with 500+ detectors, and lets agents triage and remediate incidents, generate honeytokens and open fix PRs. Needs a GitGuardian account; the hosted endpoint with OAuth sign-in is recommended.

Snowflake's official plugin: detects Snowflake-related requests and hands them to the Cortex Code CLI, whose 55+ built-in skills handle SQL, dynamic tables, data governance and more. Needs the cortex CLI installed and a Snowflake connection configured.

Langfuse's official plugin: uses hooks to send prompts, model calls, token usage and cost, tool calls and subagents from Claude Code sessions to Langfuse as traces for monitoring and review. Needs Langfuse keys (self-hosting supported) and uv or Python 3.10+.

ModelScope's official MCP: search models, datasets, Studio apps, papers and MCP servers and view details, plus text-to-image and image-to-image generation. Needs a ModelScope API token.

Semgrep's official MCP server plus hooks: every file the agent writes is scanned with Semgrep Code, Supply Chain and Secrets for vulnerabilities, malicious dependencies and hardcoded secrets; the agent rewrites until clean or you dismiss findings. Requires a Semgrep login.

Zeplin's official MCP: hands screen and component specs, assets, design tokens and designer annotations to the agent so developers can implement designs more accurately during handoff. Needs a Zeplin account, a personal access token and Node.js 20+.

Crowdin's official plugin with the Crowdin MCP: manage projects and translations in Claude Code, Cowork or Codex, with skills to build glossaries, add translator context, draft translations for review and answer how-tos. Needs a Crowdin account; drafts and glossary uploads need its CLI.

Vanta's official plugin: from Claude Code, review control gaps for SOC 2, ISO 27001 and other frameworks, failing tests, vendor risk and policies, and generate fixes for code-level issues. Needs admin access to a paid Vanta account (browser auth); have compliance conclusions reviewed by an expert.

Sentry's official plugin: skills for SDK setup across platforms, production issue debugging, Sentry-aware code review and alert configuration, plus the hosted Sentry MCP to query errors and stack traces. Needs a Sentry account.