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116,748 servers. Updated
20 Best Observability MCP Servers: compared and ranked, November 2026Ranked from 684 matching servers on stars, growth, downloads and maintenance. Updated .

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    Metis gives AI agents expert know-how that named reviewers have approved, and only where its recorded conditions match the situation. High-risk situations go to a person. When an agent sees practice depart from procedure, it can send the expert one short question. Every retrieval is recorded on a hash-linked evidence chain.
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    42 PyPI
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    Apache 2.0
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    Search, document and execute authenticated API calls across all your apps (Gmail, Slack, Stripe, Notion, GitHub, and more) through 4 universal tools whose context footprint stays constant no matter how many connections you add. Hosted remote server with OAuth at https://mcp.withone.ai/mcp, or run locally via npx @withone/mcp.
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    615 npm
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    MIT
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    Enables adding inline, range-anchored comments to specific text fragments in Google Docs, overcoming the limitation that Google APIs cannot create anchored comments.
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    MIT
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    Enables MCP-compatible clients to manage Nextcloud Tasks via CalDAV, offering tools to list, create, update, complete, move, and organize tasks, subtasks, and tags with safe concurrency and date handling.
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    MIT
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    MCP server that provides read and write access to Trello boards, enabling AI assistants to list, search, create, update, move, comment, label, and archive cards via natural language.
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    MIT
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    Generate professional PDFs from Claude, Cursor, and other AI tools. Create invoices, contracts, reports, and certificates from templates or inline HTML markup.
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    68 npm
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    MIT
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    Gives an AI assistant read- and draft-only access to a single personal Microsoft mailbox, letting it search, list and read mail, browse folders, save attachments to a jailed directory, and create new or reply drafts. It requests no send scope, so mail can never be sent, deleted, moved or marked, and calendar, contacts and files are untouched.
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    MIT
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    Enables MCP clients to turn Make blueprints and Zapier exports into n8n workflow files, with a per-step report of what converted, what to review, and what must be finished by hand. Also lists zaps, explains how individual steps are handled, checks workflow files for broken links or placeholders, and can upload the result to an n8n instance as an inactive workflow.
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    436 npm
    MIT
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    MCP server for reading and writing Excel (xlsx) files using SheetJS, providing tools to list sheets, read data, create files, add sheets, and update cells.
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    11 npm
    MIT
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    Enables AI assistants to safely read, search, create, append, update, and delete Apple Notes on macOS, with every write or delete requiring human confirmation and operations limited to a single note at a time.
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    MIT
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    Enables querying and managing Fantastical calendars and events via the MCP protocol, allowing AI assistants to list calendars, create events using natural language, and search or retrieve event details.
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    MIT
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    MCP server for Microsoft Planner via the Microsoft Graph API, enabling users to find groups and plans, manage buckets and tasks (create, update, assign, complete, delete) with automatic ETag handling.
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    112 npm
    4
    MIT