Best MCP AI tools
The Model Context Protocol — servers, clients and the tooling for building against it. The 15 highest-ranked of the 68 apps tagged MCP in the Onei AI catalogue.
Everything tagged MCP: apps, skills and MCP servers
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Beautiful Ones Inc.
Always-on listening app that turns your day into a private, searchable memory and serves it to Claude, Codex or Cursor over MCP.
Also: Personal Assistant, Privacy, Transcription · Editor's pick
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Construct
Cloud AI employee with its own Linux desktop that runs multi-step work across Gmail, Notion, Linear, GitHub and Slack.
Also: Personal Assistant · Editor's pick
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Agentic AI Foundation
Open-source AI agent from the Agentic AI Foundation — a native desktop app, CLI and API that runs tasks locally with 70+ MCP extensions.
Also: Developers, Open Source · Editor's pick
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One backend for AI and SaaS products: authentication, merchant-of-record payments, a customer database and AI analytics, with no webhook plumbing to write.
Also: Developers · Editor's pick
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Vectify AI
A vectorless RAG engine that builds a tree index of long PDFs and lets an LLM reason its way to the right section, with page-level citations.
Also: Open Source · Editor's pick
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The Plow Collective PBC
Mac app that exposes your browser, CLI, files and saved logins to Claude, Codex or any MCP agent — with an approval gate on every request.
Also: Local-First, Privacy · Editor's pick
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Clipto, Inc.
Local-first AI memory for your media: index terabytes of video, audio and documents on your own machine and search them in plain language.
Also: Local-First, Privacy, Transcription · Editor's pick
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Free, open-source local MCP gateway: register each server once, share it with every AI client, and cut tool-definition tokens by up to 91%.
Also: Developers, Local-First, Open Source · Editor's pick
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Open-source testing and evals platform for MCP servers — trace tool calls, debug OAuth, and catch cross-client regressions in CI.
Also: Open Source · Editor's pick
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Mindcase Technologies Private Limited
Web data extraction APIs for AI agents — 75+ ready-made scrapers for LinkedIn, Amazon, Google Maps, Reddit and X, priced per result.
Editor's pick
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Coping Hard
Hit record, and Voicenotes transcribes, summarises and indexes what you said — then answers questions about anything you have ever recorded.
Also: Personal Assistant, Transcription · Editor's pick
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Gives agents secure, authenticated access to 1,500+ SaaS apps — managed OAuth, a tool router that filters the catalogue, and sandboxed execution.
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Different AI
Open-source desktop app and MCP for running AI agents on your own files, an open alternative to Claude Cowork.
Also: Local-First, Open Source, Privacy · Editor's pick
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Vercel Labs
Vercel Labs' tiny open-source coding agent: a ~6MB Zig binary that cold-starts in microseconds and embeds anywhere.
Also: Developers, Open Source
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Twitter/X data API for developers and AI agents: tweets, profiles, followers, search and real-time monitoring via REST, plus a hosted MCP server for Claude, Cursor and any MCP client.
How this list is ranked
Ranked by editorial weight (0–100), plus 5 points per bookmark up to 10, plus or minus up to 20 for the average review rating; ties go to featured apps, then the most recently updated. Discontinued apps are never ranked.