Tools

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+.

HubSpot's official skills for running the CRM via the hubspot CLI: look up customers and history, filter audiences, dedupe records, advance deals, build sales reports and route support tickets. Needs the HubSpot Agent CLI (beta) signed in; dry-run bulk edits first; some features need paid plans.

HubSpot's official skill: agents use the HubSpot Agent CLI to create and triage tickets, move them through pipeline stages, queue by priority, bulk-update status and log resolutions. Needs the HubSpot Agent CLI (beta), signed in, plus the repo's bulk-operations skill. Edits live data; try a sandbox.

Teamwork.com's official MCP: query and update projects, tasks, milestones and time logs in plain language, and handle Desk support tickets and Spaces wiki pages, with role-based tool sets (e.g. project manager, support). Needs a Teamwork.com account with AI/MCP enabled by an admin.

AWS's official plugin for startups: answers AWS Activate credit eligibility and 60+ startup perks, gives architecture and cost advice by funding stage, team size and runway, and plans migrations from GCP, Azure or Heroku. Perk lookups need no AWS account; migrations need your repo.

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.

Community MCP for Weblate, the open-source translation platform (self-hosted or hosted): translators can find untranslated or needs-editing strings in plain language, write translations in bulk, and check per-language progress and change history. Needs your Weblate API URL and token, and Node.js.

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.

Preconfigures the Datadog MCP in Claude Code to query logs, metrics, traces, dashboards and monitors in plain language while troubleshooting production. Maintained by Datadog; needs a Datadog account (OAuth or API key). In preview.

Grafana's official plugin marketplace with three plugins: the hosted Grafana Cloud MCP, the local mcp-grafana and Grafana Assistant, covering dashboards, data sources, Prometheus and Loki queries, alerting and incident management. Works with Claude Code and Codex.

RWS's official PowerShell toolkit for automating Trados Studio: batch-create translation projects, run word counts, import and export packages, and manage translation memories (incl. TMX) and GroupShare projects. Windows only; needs Trados Studio Professional; install the MSI from Releases.

Chatwoot's official CLI: AI can search conversations, reply to customers, add private notes, assign, label, prioritize and resolve, and look up help center articles; a bundled skill sets safety rules for customer-visible replies. Needs a Chatwoot account (cloud or self-hosted) and API key.

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.

PortSwigger's official Burp Suite extension that lets agents read proxy history, send HTTP requests and create Repeater tabs; with Burp Pro it can also read scan results and use Collaborator. Install from the BApp Store; listens on 127.0.0.1:9876 by default.

NiuTrans' official MCP: translate text through the NiuTrans Open Platform, with a catalog of 455 languages and aliases and broad coverage of less common languages. Needs an API key from niutrans.com (about 200,000 free characters a day, then top up) and uv.

HubSpot's official CLI for AI agents (beta): find and bulk-update contacts, companies, deals and tickets, log calls and meetings, advance deal stages and route conversations, with an official skill pack. Needs a HubSpot account and browser login; writes hit live data, so try --dry-run first.

Official MCP for LibreTranslate, the open-source machine translation engine: translate text, detect languages and list supported languages. Use libretranslate.com (paid API key) or your own free self-hosted instance so text never leaves your machine or network. Needs Node.js.

Mintlify's official plugin: reference for Mintlify components, docs.json config, navigation and API docs, plus Mintlify docs search and site management, for building and updating product docs and help centers. Needs a Mintlify docs project; management needs browser sign-in.

PagerDuty's official plugin: analyzes your current git diff against the service's past incidents and change events, gives a 0-5 risk score and suggestions before you commit, and can create PagerDuty SRE Agent skills (early access program required). Needs a PagerDuty API token.

Plain's official plugin: look up customers, threads and SLAs in Claude Code, add internal notes, create and update help center articles, and draft broadcast announcements (saved as drafts, never sent). Needs a Plain API key plus curl and jq; not in a marketplace; clone the repo to load it.

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.

Intercom's official support plugin: via a remote MCP, search conversations, analyze support issue trends, look up contacts and companies, build 360-degree customer profiles, and install Messenger. Read-only; needs an Intercom workspace and currently works only in the US region.

DeepL's official Claude Code plugin: uses DeepL's hosted service to translate text and Word, PowerPoint, Excel and PDF files with formatting intact, rephrase and polish, fix grammar and apply glossaries. Needs an eligible DeepL subscription; browser sign-in on first use.