AI knowledge tools with an official MCP server

Figure and bar: visits/mo, estimate · year: online since

1. #2A

   AtlyMCP · open

   Ranks and explains local places against a person's stated intent, such as a quiet café for remote work, through an app or API.

   3.5M
   Active
2. #4G

   GuruMCP · sign-in

   Keeps company knowledge in verified cards and pages that experts re-check on a schedule, and answers employee questions from them in Slack and the browser.

   110k
   Active
   Contact sales
3. #8G

   Glean

   Indexes company apps like Slack, Drive and Jira into one permission-aware search, with a chat assistant and agents that answer from that index.

   63.5k
   Active
   Contact sales
   2019
4. #12A

   aNotepadMCP · sign-in

   Browser-based notepad for writing, formatting and sharing notes via public, private or password-protected links, with PDF and Word export.

   28.5k
   2009
5. #18M

   MemMCP · sign-in

   Stores notes, links related notes automatically and answers questions over your saved notes through a built-in chat.

   15k
6. #19L

   LinerMCP · sign-in

   Searches academic research, generates citations, and drafts professional documents with cited sources.

   12.8k
   Active
   From $14.99/user/mo
7. #23F

   FabricMCP · sign-in

   Streams cloud files as a local drive, with AI that reads notes and drafts emails, plus a canvas, tasks and password-protected share links.

   8.1k
   Active
   From $8/mo
8. #25C

   CapacitiesMCP · sign-in

   Turns notes, tasks and sources into linked objects, and surfaces places where notes mention each other without a link.

   4.6k
   Active
   From $9.99/mo
   2022
9. #31E

   E-LabusMCP · sign-in

   Explains each number on an uploaded lab report photo or PDF and tracks how markers change over time.

   2.3k
   Active
   From $19.99/mo
   2012
10. #34S

    ScreviMCP · sign-in

    Saves articles, newsletters, books and podcasts, then resurfaces your highlights through spaced-repetition review and exposes them to Claude for search.

    1.6k
    Active
    From $5/mo
11. #36A

    AmassMCP · sign-in

    Answers research questions by searching papers, trials, patents and regulatory records, citing the record behind each claim.

    1k
    Active
    From $9/mo
    2022
12. #38O

    Off-Nadir DeltaMCP · sign-in

    Turns news reports and open data into geolocated events, each linked to its sources and flagged for satellite visibility.

    670
    Active
    2024
13. #41K

    Korey Coding Agent HandoffsMCP · sign-in

    Converts rough notes and Slack discussions into structured development tickets and keeps them synchronized with team progress.

    528
    Active
    From $99/mo
    2025
14. #42N

    NewsCatcherMCP · open

    Searches and streams news articles from 140,000 sources with entity resolution and real-time monitoring.

    490
    Active
    From $50/mo
15. #43H

    HokAIMCP · open

    Asks up to ten questions about your work and returns a ranked short list of AI tools from its directory, each with reasons.

    463
    Active
    From $5 once
    2026
16. #46L

    LimyMCP · sign-in

    Tracks which prompts, answers and citations AI search agents show for a brand, and measures the traffic and revenue that follows.

    402
17. #49S

    ScribbleMCP · sign-in

    Writes handwritten notes inside cards with a real pen, addresses the envelopes, adds postage and mails them, from a web form or chat assistant.

    229
    Active
    From $6.99 per use
18. #55S

    SynopticMCP · open

    Streams real-time news and social posts from trusted sources, including Truth Social, White House releases, and SEC EDGAR filings, for trading and monitoring.

    191
19. #56T

    TweetsmashMCP · open

    Searches, labels and exports your saved X bookmarks, sends scheduled digests, and syncs them to Notion, Google Sheets or Zotero.

    190
    Maintained
    From $7/mo
    2022
20. #57M

    MDflowMCP · sign-in

    Stores markdown files in shared workspaces with a browser editor, tasks from checkboxes, public knowledgebase links, and API and MCP access.

    182
    Active
    From ≈ $5.61/mo
21. #62W

    Web AnatomyMCP · sign-in

    Researches competitor websites, captures their page sections and scores them against fixed criteria to produce design patterns for a page.

    170
    Active
    From ≈ $44/mo
    2026
22. #63B

    BackrowMCP · sign-in

    Records lectures and meetings, transcribes them live, and turns transcripts into notes, flashcards, quizzes and study guides.

    165
    Active
    From $9.99/mo
23. #64F

    FasteroMCP · sign-in

    Connects warehouses and business tools, answers natural-language questions with the query behind each result, and flags metric changes with Slack alerts and drafted follow-ups.

    163
    Active
    From $20/user/mo
24. #71A

    AutEngMCP · open

    Writes and edits technical documents in Markdown, rendering Mermaid diagrams and KaTeX math from a text prompt.

    140
    Maintained
    Free plan
25. #76I

    InohMCP · sign-in

    Builds English vocabulary flashcards with pronunciation practice and spoken review through Claude, plus browser, Obsidian and Raycast word capture.

    110
    Active
    From $3.99/mo
26. #77B

    Beyond WineMCP · open

    Answers questions about no- and low-ABV drinks, producers and food pairings from a searchable reference of profiles.

    108
    Active
27. #80A

    AcaTroveMCP · sign-in

    Answers questions from your own papers and the open literature with retrieved passages, drafts grant narratives, and checks citations against cited papers.

    103
    Active
    From $5/mo
28. #82H

    HanyuGuideMCP · sign-in

    Schedules HSK-levelled Chinese vocabulary flashcards with audio, timing each word's review with the FSRS memory model.

    99
    Active
    From $9.99/mo
29. #83A

    Alloy RoboticsMCP · sign-in

    Captures robot telemetry and mission logs into storage, then answers plain-English questions about failures with timestamped evidence.

    94
    Active
30. #85N

    NibomoMCP · sign-in

    Turns notes into flashcards and schedules reviews by how well each answer was recalled.

    84
    Active
    From $6.99/mo
31. #87A

    AgendaForgeMCP · open

    Plans conference programmes, taking call-for-papers submissions through peer review scoring to a published multi-track agenda with clash checks.

    78
    Active
    From $2,000 once
    2026
32. #88S

    StashrMCP · sign-in

    Saves bookmarks from any platform, tags them with AI, and makes them searchable for you or your agents.

    68
    Active
    From $6/mo
33. #92B

    Black Swan Causal LabsMCP · sign-in

    Browser tools that draw causal diagrams, map study timing, and structure risk-of-bias assessments for real-world evidence studies.

    61
    Active
34. #94L

    LuneMCP · sign-in

    Connects AI agents to computer science research papers for literature review, experimentation design, and peer review without hallucination.

    54
    Active
    From $4.99/mo
35. #100N

    NextLangMCP · sign-in

    Generates CEFR-levelled language flashcards from pasted text, exporting Anki or Mochi packages with audio or Quizlet-ready sets.

    46
    Active
    From $5 once
    2025
36. #101R

    RanklogsMCP · sign-in

    Tracks keyword rankings, local map-pack positions, and AI-search citations across Google, ChatGPT, Gemini and Perplexity, plus site audits.

    45
    Active
    From $19/mo
    2021
37. #102T

    The ConsoleMCP · open

    Finds spoken or typed verses, questions or notes, checks them against sources and reads the cited result aloud.

    44
38. #106H

    HjarniMCP · sign-in

    Stores plans, decisions and preferences as markdown notes that ChatGPT and Claude can search and edit across chats.

    35
    Active
    From $12/mo
    2026
39. #108D

    DexiMCP · sign-in

    Collects notes, bookmarks, newsletters and RSS feeds into one tagged, searchable workspace with a spaced-repetition review deck.

    30
    Active
    From $5/mo
    2020
40. #109C

    ClarityBriefsMCP · open

    Writes topic news briefings in the reader's language by synthesizing foreign-language sources with citations, sent by email.

    30
    Active
    From $1/mo
41. #110F

    FolioraMCP · sign-in

    Tracks how ChatGPT and Gemini answer buyer questions, then drafts and publishes approved page changes on your own site to shift those answers.

    30
    Active
    From $49.99/mo
42. #111G

    General CatalystMCP · open

    Ingests timestamped text into a store and answers questions with ranked, dated evidence for AI agents.

    29
    Active
    From $99/mo
    2025
43. #113E

    emailmdMCP · open

    Converts markdown files into responsive, email-safe HTML with a plain-text part, pre-send linting, and an MCP server.

    27
    Active
44. #115F

    FoddaMCP · sign-in

    Provides curated market research and institutional data to AI agents via MCP protocol.

    25
    Active
    From $50/mo
    2004
45. #118M

    MindlifyMCP · sign-in

    Turns pasted notes and AI chat transcripts into a linked map of concepts, decisions and open questions.

    23
    Active
    From $14.99/mo
46. #120U

    UnplainMCP · sign-in

    Turns Word, markdown or ChatGPT and Claude drafts into designed, paginated PDFs with cover, contents and brand theme.

    21
    Active
    From $9 once
47. #121A

    AuditAEMCP · sign-in

    Runs buyer questions through four AI answer engines to show which brands they name or link, and suggests page fixes.

    21
    Active
    From $0.05 per use
48. #124Q

    Quant DataMCP · open

    Tracks what research publishers said about each ticker and measures those claims against market data, served through an API and MCP server.

    19
    Active
    From $49/mo