# ZeroMark vs ContextBolt · Find it, or finish it > ContextBolt captures X, Reddit and LinkedIn saves and finds them fast, with MCP. ZeroMark reads your X bookmarks and clears the pile to zero. Canonical: https://www.zeromark.io/vs-contextbolt [Home](https://www.zeromark.io/) · [Compare](https://www.zeromark.io/compare) · ContextBolt vs ContextBolt ## ContextBolt finds the tweet. ZeroMark settles it. ContextBolt is a bookmark manager for the web, X and Reddit, with a Chrome extension that captures a save as you make it, AI tags, typo-tolerant search, and a personal MCP endpoint on the paid plan so an agent can query the library. Search is a real job. Most saves are not waiting for a search. They are waiting for a verdict. Pick ContextBolt if the problem is "I cannot find that thread" across Reddit, LinkedIn and the web. Pick ZeroMark if the problem is a thousand X bookmarks you never opened. You can use both: ContextBolt as the search layer, ZeroMark as the queue. ZeroMark does not offer an MCP server. We make ZeroMark. Every fact about ContextBolt below comes from their own site, checked 17 October 2026, and linked in Sources. If we have a fact wrong, tell us and we will correct it. [Start free →](https://www.zeromark.io/trial) Free for your latest 50 saves. [**$4.99 a month**](https://www.zeromark.io/pricing), or [**$39 a year**](https://www.zeromark.io/pricing), reads them all. [Pricing](https://www.zeromark.io/pricing) · [FAQ](https://www.zeromark.io/faq) · [Privacy](https://www.zeromark.io/privacy). ### At a glance · ContextBolt · ZeroMark Job · Find saves again, with tags, search and MCP · Finish them: decide each one, and take the open count to zero Sources · X, Reddit, a LinkedIn save button, and any web page · X bookmarks only How saves arrive · A Chrome extension captures them as you save · A read-only X connection, plus an archive import where X provides one AI · Tags, topic categories, and semantic search through MCP on Pro · A summary and why you kept it, on every save, before you see it The count · Not a feature. The library is for finding · Done, let go, or snooze. The queue ends on a Zero card Agent access · A personal MCP endpoint on Pro · No API Export · CSV, JSON and XLSX on Pro · Notion, Obsidian, or a file Free · 150 bookmarks · Your latest saves, with no card Paid · $6 a month · $4.99 a month or $39 a year ### What ContextBolt does better - Reddit, LinkedIn and ordinary web pages, not only X. - An MCP endpoint on Pro, so Claude, Cursor or Codex can search the library. - Capture at the moment you save, so the copy does not depend on what the X API returns later. - A larger free cap: 150 bookmarks, against the latest saves here. ### Where ZeroMark is different - A summary on every save before you see it, including the quoted post a reaction is about, plus why you kept it. - One decision per save: done, let go, or snooze for a week. Undo walks the sitting back. The open queue ends on a Zero card. - Order comes from your own finish rate: what you mark done against what you let go. - Keeps can leave for Notion, Obsidian, or a file. Stopping payment does not delete what is already read. - The X connection is read-only. Triage stays inside ZeroMark. Nothing is posted, liked, followed, or removed on X. ### Where ZeroMark falls short - X bookmarks only. Reddit and LinkedIn are not connected, and there is no date for them. - No MCP server and no API. - The free plan covers fewer saves than ContextBolt's free 150. ### Pricing, side by side ContextBolt: Basic is free for 150 bookmarks. Pro is $6 a month. At that monthly price a year is $72, against $39 here. That arithmetic is from their pricing page, not a discount they advertise. ZeroMark: Free for your latest 50 saves, no card and no clock. $4.99 a month or $39 a year reads the library your connection returns. A 30-day refund covers the first paid charge. Card payments go through Stripe. Prices change. Check both before you pay. ### Switching, or using both - Keep ContextBolt if it already does a job you want, such as search, backup, or a digest. - Connect X on ZeroMark. The connection is read-only, so the list on X stays as it is. - Clear your latest saves on the free plan. Decide each one: done, let go, or snooze for a week. - Send keeps to Notion, Obsidian, or a file. Nothing on X is deleted by ZeroMark. ### Who should pick which Choose ContextBolt when you save across networks and the pain is retrieval, or when an agent needs to query the library. Choose ZeroMark when the pain is an X backlog that never shrinks. Choose both when you want search on one side and a finish line on the other. ### Questions people ask #### Is ZeroMark a ContextBolt alternative? For an X backlog, yes. For multi-network search and an MCP endpoint, no. ContextBolt is built to find a save again. ZeroMark is built to decide it. #### Does ZeroMark have an MCP server? No. There is no API. If an agent has to query your saves, ContextBolt Pro is the tool that publishes that, and we do not. #### Can I use both? Yes. ContextBolt can keep the searchable copy. ZeroMark reads your X bookmarks read-only and asks for a decision. Neither step requires you to drop the other. #### Which is cheaper? ContextBolt Pro is $6 a month. ZeroMark is Free for your latest 50 saves, no card and no clock. $4.99 a month or $39 a year reads the library your connection returns. A 30-day refund covers the first paid charge. Card payments go through Stripe. A year of their monthly price is $72. Check both pages before you buy. #### Does ContextBolt read Reddit and LinkedIn? Their pricing page says Reddit auto-capture and a LinkedIn save button, plus any web page. ZeroMark reads X bookmarks only. #### Will either change my X account? ZeroMark will not. The connection is read-only. ContextBolt's own guides discuss clearing bookmarks. Read their docs before you grant anything that can delete. ### Sources Checked 17 October 2026. - [ContextBolt bookmark pricing](https://contextbolt.com/bookmarks/pricing/) - [ContextBolt guide to deleting bookmarks](https://contextbolt.com/blog/delete-all-twitter-bookmarks/) **Also compared:** [All comparisons](https://www.zeromark.io/compare) · [vs Dewey](https://www.zeromark.io/vs-dewey) · [Search](https://www.zeromark.io/blog/search-x-bookmarks) · [Best managers](https://www.zeromark.io/blog/best-x-bookmark-manager)