# \#mcp **URL:** https://forum.cursor.com/tag/mcp/47.md [Latest](https://forum.cursor.com/latest.md) · [Categories](https://forum.cursor.com/categories.md) · [Tags](https://forum.cursor.com/tags.md) --- ## [Grok Bot Gmail: search\_threads returns empty for Spam while list\_labels shows threads](https://forum.cursor.com/t/grok-bot-gmail-search-threads-returns-empty-for-spam-while-list-labels-shows-threads/170832)
**Author:** [@TheAviv](https://forum.cursor.com/u/TheAviv)\ **Replies:** 15\ **Last updated:** [October 25, 2026, 3:04pm UTC](https://forum.cursor.com/t/grok-bot-gmail-search-threads-returns-empty-for-spam-while-list-labels-shows-threads/170832 "2026-10-25T15:04:17Z")
Where does the bug appear (feature/product)? Grok Bot Describe the Bug Product: Grok Bot / Gmail MCP Account: aviv@theaviv.ca Namespace: user-Gmail–professional-aviv-theaviv-ca Grok Bot’s Gmail connector cannot searc… --- ## [Grok Bot: Railway plugin Authenticate fails with "Dynamic client registration is disabled"](https://forum.cursor.com/t/grok-bot-railway-plugin-authenticate-fails-with-dynamic-client-registration-is-disabled/175903)
**Author:** [@jsolly](https://forum.cursor.com/u/jsolly)\ **Replies:** 4\ **Last updated:** [October 24, 2026, 3:30pm UTC](https://forum.cursor.com/t/grok-bot-railway-plugin-authenticate-fails-with-dynamic-client-registration-is-disabled/175903 "2026-10-24T15:30:56Z")
Where does the bug appear (feature/product)? Somewhere else… Describe the Bug In the Grok Bot Mac app, the Railway plugin (Railway skills + hosted MCP connector “railway”) shows the default account as “Needs auth”. Clic… --- ## [Claudinho — live World Cup scores in your Cursor CLI statusline (+ a read-only MCP server)](https://forum.cursor.com/t/claudinho-live-world-cup-scores-in-your-cursor-cli-statusline-a-read-only-mcp-server/163557)
**Author:** [@arturogarrido](https://forum.cursor.com/u/arturogarrido)\ **Replies:** 3\ **Last updated:** [October 24, 2026, 4:44am UTC](https://forum.cursor.com/t/claudinho-live-world-cup-scores-in-your-cursor-cli-statusline-a-read-only-mcp-server/163557 "2026-10-24T04:44:15Z")
Hey all :waving\_hand: I built a little open-source thing for the 2026 World Cup and the Cursor CLI, and this felt like the right place to share it. Claudinho puts live match scores right in your Cursor CLI statusline — … --- ## [Hronaut – a visible browser your Cursor agent can drive over MCP](https://forum.cursor.com/t/hronaut-a-visible-browser-your-cursor-agent-can-drive-over-mcp/175947)
**Author:** [@Tatenna](https://forum.cursor.com/u/Tatenna)\ **Replies:** 0\ **Last updated:** [October 23, 2026, 9:46pm UTC](https://forum.cursor.com/t/hronaut-a-visible-browser-your-cursor-agent-can-drive-over-mcp/175947 "2026-10-23T21:46:56Z")
I’m on the Hronaut team. We made a desktop browser that Cursor’s agent controls over MCP, in a window you can watch. You can pause it and take over, sign in yourself, and the agent continues in that session without seein… --- ## [Cursor-agent CLI: stdio MCP server fails with "Connection closed" on Windows, works in the IDE](https://forum.cursor.com/t/cursor-agent-cli-stdio-mcp-server-fails-with-connection-closed-on-windows-works-in-the-ide/175740)
**Author:** [@CarlosBarrera-IAG](https://forum.cursor.com/u/CarlosBarrera-IAG)\ **Replies:** 8\ **Last updated:** [October 23, 2026, 6:42pm UTC](https://forum.cursor.com/t/cursor-agent-cli-stdio-mcp-server-fails-with-connection-closed-on-windows-works-in-the-ide/175740 "2026-10-23T18:42:31Z")
Where does the bug appear (feature/product)? Cursor CLI Describe the Bug Summary cursor-agent reports MCP error -32000: Connection closed for a local stdio MCP server about 2 seconds after it starts the server. The sam… --- ## [Atlassian MCP tools callable but local MCP tool descriptors disappear after Cursor 3.2.16 update](https://forum.cursor.com/t/atlassian-mcp-tools-callable-but-local-mcp-tool-descriptors-disappear-after-cursor-3-2-16-update/159350)
**Author:** [@Marcin\_Piotrowski](https://forum.cursor.com/u/Marcin_Piotrowski)\ **Replies:** 4\ **Last updated:** [May 6, 2026, 2:52pm UTC](https://forum.cursor.com/t/atlassian-mcp-tools-callable-but-local-mcp-tool-descriptors-disappear-after-cursor-3-2-16-update/159350 "2026-05-06T14:52:33Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug Where does the bug appear? MCP / Cursor Plugins / Agent tool discovery Describe the Bug: After updating Cursor from 3.2.11 to 3.2.16, the Atlas… --- ## [Agents Window: "Projects" can't use my local MCP servers (~/.cursor/mcp.json), even in Cloud + Local](https://forum.cursor.com/t/agents-window-projects-cant-use-my-local-mcp-servers-cursor-mcp-json-even-in-cloud-local/175734)
**Author:** [@Yoad\_Simon](https://forum.cursor.com/u/Yoad_Simon)\ **Replies:** 2\ **Last updated:** [October 22, 2026, 8:43am UTC](https://forum.cursor.com/t/agents-window-projects-cant-use-my-local-mcp-servers-cursor-mcp-json-even-in-cloud-local/175734 "2026-10-22T08:43:53Z")
I rely on many custom stdio MCP servers (databases, Airflow, NetSuite) defined in ~/.cursor/mcp.json. They use local scripts and credentials. Editor chat: all work. Projects: none available, even with “Cloud + Local”. C… --- ## [Making Cursor’s agent write plans as artifacts so I can comment on them inline](https://forum.cursor.com/t/making-cursor-s-agent-write-plans-as-artifacts-so-i-can-comment-on-them-inline/175414)
**Author:** [@huynguyen294](https://forum.cursor.com/u/huynguyen294)\ **Replies:** 2\ **Last updated:** [October 22, 2026, 3:28am UTC](https://forum.cursor.com/t/making-cursor-s-agent-write-plans-as-artifacts-so-i-can-comment-on-them-inline/175414 "2026-10-22T03:28:31Z")
Long plans in Cursor are hard to give feedback on: to fix one part I had to copy the paragraph into chat, quote it, and write my note under it, over and over. What works for me now is asking the agent to create an artifa… --- ## [ResultGate: helping useful agents get discovered — starting with a small MCP demo](https://forum.cursor.com/t/resultgate-helping-useful-agents-get-discovered-starting-with-a-small-mcp-demo/175684)
**Author:** [@AHEDMUNI](https://forum.cursor.com/u/AHEDMUNI)\ **Replies:** 0\ **Last updated:** [October 22, 2026, 1:23am UTC](https://forum.cursor.com/t/resultgate-helping-useful-agents-get-discovered-starting-with-a-small-mcp-demo/175684 "2026-10-22T01:23:19Z")
I started ResultGate because I kept thinking about people who spend significant time and money building excellent AI agents around good ideas, only to get lost among all the other tools. I want to help those builders ge… --- ## [MemKernel: shared, branchable memory for Cursor and other coding agents](https://forum.cursor.com/t/memkernel-shared-branchable-memory-for-cursor-and-other-coding-agents/175026)
**Author:** [@Varad\_Ganjoo](https://forum.cursor.com/u/Varad_Ganjoo)\ **Replies:** 5\ **Last updated:** [October 21, 2026, 11:10pm UTC](https://forum.cursor.com/t/memkernel-shared-branchable-memory-for-cursor-and-other-coding-agents/175026 "2026-10-21T23:10:40Z")
I was curious about how agents will share memory and context at the OS level, and how that would operate. MemKernel is my experiment around that question. Experimental library for testing agent capabilities. MemKernel e… --- ## [Unable to use PagerDuty plugin in Cursor Automation](https://forum.cursor.com/t/unable-to-use-pagerduty-plugin-in-cursor-automation/175641)
**Author:** [@Jake.Capra](https://forum.cursor.com/u/Jake.Capra)\ **Replies:** 1\ **Last updated:** [October 21, 2026, 8:45pm UTC](https://forum.cursor.com/t/unable-to-use-pagerduty-plugin-in-cursor-automation/175641 "2026-10-21T20:45:51Z")
Where does the bug appear (feature/product)? Somewhere else… Describe the Bug I get the same error when trying to setup a Cursor automation that uses the PagerDuty plugin/MCP: Failed to disconnect PagerDuty Error: Fail… --- ## [Grok Bot custom MCP OAuth fails before sign-in: redirect\_uri not allowed](https://forum.cursor.com/t/grok-bot-custom-mcp-oauth-fails-before-sign-in-redirect-uri-not-allowed/171877)
**Author:** [@LiuChunYin](https://forum.cursor.com/u/LiuChunYin)\ **Replies:** 20\ **Last updated:** [October 21, 2026, 7:13pm UTC](https://forum.cursor.com/t/grok-bot-custom-mcp-oauth-fails-before-sign-in-redirect-uri-not-allowed/171877 "2026-10-21T19:13:27Z")
Where does the bug appear (feature/product)? Grok Bot Describe the Bug Custom remote MCP OAuth fails before sign-in with: redirect\_uri is not allowed by the account configuration. Existing connector Owner Google Tasks M… --- ## [Auto-review blocks read-only tool calls with "An error occured while classifying this action"](https://forum.cursor.com/t/auto-review-blocks-read-only-tool-calls-with-an-error-occured-while-classifying-this-action/174696)
**Author:** [@Sethi\_Aditya](https://forum.cursor.com/u/Sethi_Aditya)\ **Replies:** 3\ **Last updated:** [October 21, 2026, 6:51pm UTC](https://forum.cursor.com/t/auto-review-blocks-read-only-tool-calls-with-an-error-occured-while-classifying-this-action/174696 "2026-10-21T18:51:48Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug In Agent mode with Auto-review on, the action classifier often fails and blocks the tool call with this message: “An error occured while classifyi… --- ## [Grok Bot iOS 1.14.0: tool-call bubbles show "This message can't be shown in this version of Grok Bot. Update Grok Bot to see it" while the app reports it's up to date](https://forum.cursor.com/t/grok-bot-ios-1-14-0-tool-call-bubbles-show-this-message-cant-be-shown-in-this-version-of-grok-bot-update-grok-bot-to-see-it-while-the-app-reports-its-up-to-date/175131)
**Author:** [@jsolly](https://forum.cursor.com/u/jsolly)\ **Replies:** 2\ **Last updated:** [October 21, 2026, 5:16pm UTC](https://forum.cursor.com/t/grok-bot-ios-1-14-0-tool-call-bubbles-show-this-message-cant-be-shown-in-this-version-of-grok-bot-update-grok-bot-to-see-it-while-the-app-reports-its-up-to-date/175131 "2026-10-21T17:16:47Z")
Where does the bug appear (feature/product)? Grok Bot Describe the Bug In a bot chat on iOS, two message bubbles render only as “This message can’t be shown in this version of Grok Bot. Update Grok Bot to see it.” The a… --- ## [Access to Microsoft Products in Grok Bot](https://forum.cursor.com/t/access-to-microsoft-products-in-grok-bot/168055)
**Author:** [@ArtSabintsev](https://forum.cursor.com/u/ArtSabintsev)\ **Replies:** 25\ **Last updated:** [October 21, 2026, 3:46pm UTC](https://forum.cursor.com/t/access-to-microsoft-products-in-grok-bot/168055 "2026-10-21T15:46:59Z")
Hi, Grok on Web can access Microsoft products, like Outlook and Teams, but it can’t in Grok Bot. I have a workflow that requires access to those. Will cloud agent access to MCPs be added to Grok Bot? Thanks! --- ## [Grok Bot: AWS MCP plugin shows connected with 8 tools but every call fails live tool discovery (-32602)](https://forum.cursor.com/t/grok-bot-aws-mcp-plugin-shows-connected-with-8-tools-but-every-call-fails-live-tool-discovery-32602/175112)
**Author:** [@jsolly](https://forum.cursor.com/u/jsolly)\ **Replies:** 5\ **Last updated:** [October 21, 2026, 1:47pm UTC](https://forum.cursor.com/t/grok-bot-aws-mcp-plugin-shows-connected-with-8-tools-but-every-call-fails-live-tool-discovery-32602/175112 "2026-10-21T13:47:52Z")
Where does the bug appear (feature/product)? Grok Bot Describe the Bug Where: Grok Bot, plugin connector “Aws-mcp” (plugin 26098678, stdio transport, runs on Grok Bot’s computer) What happens The AWS MCP connector sho… --- ## [@cursor/sdk local runtime: Claude-format hook output ignored, send({ mcpServers }) drops file-based MCP servers, MCP logins are per folder](https://forum.cursor.com/t/cursor-sdk-local-runtime-claude-format-hook-output-ignored-send-mcpservers-drops-file-based-mcp-servers-mcp-logins-are-per-folder/173938)
**Author:** [@nkoynov](https://forum.cursor.com/u/nkoynov)\ **Replies:** 3\ **Last updated:** [October 21, 2026, 6:08am UTC](https://forum.cursor.com/t/cursor-sdk-local-runtime-claude-format-hook-output-ignored-send-mcpservers-drops-file-based-mcp-servers-mcp-logins-are-per-folder/173938 "2026-10-21T06:08:30Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug Three places where the local runtime of @cursor/sdk (1.0.31 through 1.0.36, same code) differs from the docs and the CLI. Each comes down to a sma… --- ## [Cursor IDE, mcp oauth redirect stuck](https://forum.cursor.com/t/cursor-ide-mcp-oauth-redirect-stuck/174899)
**Author:** [@RC1](https://forum.cursor.com/u/RC1)\ **Replies:** 2\ **Last updated:** [October 21, 2026, 5:39am UTC](https://forum.cursor.com/t/cursor-ide-mcp-oauth-redirect-stuck/174899 "2026-10-21T05:39:05Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug We have an MCP which uses oauth, on the /register call cursor sends redirect\_uris=\[‘Cursor Agent - Turn your ideas into code’, ‘http://localhost:8… --- ## [Noosphere: search fixes other agents verified, from inside Cursor (free, read without a key)](https://forum.cursor.com/t/noosphere-search-fixes-other-agents-verified-from-inside-cursor-free-read-without-a-key/175507)
**Author:** [@Randall\_Mills](https://forum.cursor.com/u/Randall_Mills)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 12:40am UTC](https://forum.cursor.com/t/noosphere-search-fixes-other-agents-verified-from-inside-cursor-free-read-without-a-key/175507 "2026-10-21T00:40:33Z")
I’m the founder of Project Noosphere, a free, open commons where AI agents leave sourced findings as exact, immutable revisions, and other agents report whether each one worked, under which versions and OS. It’s free. S… --- ## [MCP OAuth always sends prompt=consent, forcing 'Approval required' loops in enterprise tenants that block user consent (even with admin consent already granted)](https://forum.cursor.com/t/mcp-oauth-always-sends-prompt-consent-forcing-approval-required-loops-in-enterprise-tenants-that-block-user-consent-even-with-admin-consent-already-granted/168747)
**Author:** [@Matthew\_Williams](https://forum.cursor.com/u/Matthew_Williams)\ **Replies:** 6\ **Last updated:** [October 20, 2026, 10:30pm UTC](https://forum.cursor.com/t/mcp-oauth-always-sends-prompt-consent-forcing-approval-required-loops-in-enterprise-tenants-that-block-user-consent-even-with-admin-consent-already-granted/168747 "2026-10-20T22:30:52Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug When Cursor initiates OAuth for a remote MCP server with static client credentials (auth.CLIENT\_ID in mcp.json), the authorize URL always include… --- ## [How are people handling context across different AI coding tools?](https://forum.cursor.com/t/how-are-people-handling-context-across-different-ai-coding-tools/159891)
**Author:** [@Pat2](https://forum.cursor.com/u/Pat2)\ **Replies:** 58\ **Last updated:** [October 20, 2026, 9:35pm UTC](https://forum.cursor.com/t/how-are-people-handling-context-across-different-ai-coding-tools/159891 "2026-10-20T21:35:40Z")
I’ve been switching between a few AI coding tools recently and the context/memory part is starting to annoy me. Claude Code, Codex, Cursor, Windsurf, etc. all seem to have slightly different ways of handling project con… --- ## [Private Workers accumulate without cleanup, leaking MCP server processes and consuming 10+ GB RAM](https://forum.cursor.com/t/private-workers-accumulate-without-cleanup-leaking-mcp-server-processes-and-consuming-10-gb-ram/166837)
**Author:** [@nerumo](https://forum.cursor.com/u/nerumo)\ **Replies:** 6\ **Last updated:** [October 20, 2026, 7:35pm UTC](https://forum.cursor.com/t/private-workers-accumulate-without-cleanup-leaking-mcp-server-processes-and-consuming-10-gb-ram/166837 "2026-10-20T19:35:07Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug When Private Workers (local Cloud Agents) are enabled, Cursor spawns a new cursor-agent worker process each time the IDE starts or reconnects, but… --- ## [Grok Bot: official API to create bots and send/receive chat (for companion UIs)](https://forum.cursor.com/t/grok-bot-official-api-to-create-bots-and-send-receive-chat-for-companion-uis/170985)
**Author:** [@Long\_Nguyen1](https://forum.cursor.com/u/Long_Nguyen1)\ **Replies:** 3\ **Last updated:** [October 20, 2026, 4:37pm UTC](https://forum.cursor.com/t/grok-bot-official-api-to-create-bots-and-send-receive-chat-for-companion-uis/170985 "2026-10-20T16:37:34Z")
Feature request for product/service Chat Describe the request Feature request for product/service Grok Bot (desktop companion / integrations) Describe the request Please expose an official HTTP (or MCP) API for Grok Bo… --- ## [Widgets are hidden from Cursor's normal chat view after an agent completes and are only visible when the conversation is expanded](https://forum.cursor.com/t/widgets-are-hidden-from-cursors-normal-chat-view-after-an-agent-completes-and-are-only-visible-when-the-conversation-is-expanded/166032)
**Author:** [@lbeck](https://forum.cursor.com/u/lbeck)\ **Replies:** 5\ **Last updated:** [October 20, 2026, 3:18pm UTC](https://forum.cursor.com/t/widgets-are-hidden-from-cursors-normal-chat-view-after-an-agent-completes-and-are-only-visible-when-the-conversation-is-expanded/166032 "2026-10-20T15:18:02Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug After an MCP tool returns a widget, the widget is displayed while the agent is running. Once the agent completes, the widget disappears from the n… --- ## [New version hides agent tool call details in defiance of setting](https://forum.cursor.com/t/new-version-hides-agent-tool-call-details-in-defiance-of-setting/165292)
**Author:** [@rsb](https://forum.cursor.com/u/rsb)\ **Replies:** 11\ **Last updated:** [October 20, 2026, 9:26am UTC](https://forum.cursor.com/t/new-version-hides-agent-tool-call-details-in-defiance-of-setting/165292 "2026-10-20T09:26:02Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug In the most recent version, 3.10.20, agent tool call information is buried even further in the agent window with an ‘Explored (x) tools’ message (… --- ## [Native Bitwarden support for Grok Bot (catalog connector / plugin)](https://forum.cursor.com/t/native-bitwarden-support-for-grok-bot-catalog-connector-plugin/171948)
**Author:** [@jsolly](https://forum.cursor.com/u/jsolly)\ **Replies:** 9\ **Last updated:** [October 20, 2026, 7:48am UTC](https://forum.cursor.com/t/native-bitwarden-support-for-grok-bot-catalog-connector-plugin/171948 "2026-10-20T07:48:46Z")
Feature request for product/service – Other – Describe the request Ask: First-party / catalog native Bitwarden support in Grok Bot (and Cursor where vault access for agents is needed), so agents can use Bitwarden withou… --- ## [MCP server regression - does not reload tools, "disconnect" does nothing, ignores mcp.json changes, etc](https://forum.cursor.com/t/mcp-server-regression-does-not-reload-tools-disconnect-does-nothing-ignores-mcp-json-changes-etc/166216)
**Author:** [@Chris\_Drake](https://forum.cursor.com/u/Chris_Drake)\ **Replies:** 24\ **Last updated:** [October 20, 2026, 1:24am UTC](https://forum.cursor.com/t/mcp-server-regression-does-not-reload-tools-disconnect-does-nothing-ignores-mcp-json-changes-etc/166216 "2026-10-20T01:24:42Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug The latest update has introduced a swathe of new bugs in the way Cursor handles MCP server connections (at least ones other than stdio anyhow). I… --- ## [Seeking feedback: Local-first MCP server for email sanitization (what all edge cases am I missing?)](https://forum.cursor.com/t/seeking-feedback-local-first-mcp-server-for-email-sanitization-what-all-edge-cases-am-i-missing/175096)
**Author:** [@A998](https://forum.cursor.com/u/A998)\ **Replies:** 2\ **Last updated:** [October 19, 2026, 4:49pm UTC](https://forum.cursor.com/t/seeking-feedback-local-first-mcp-server-for-email-sanitization-what-all-edge-cases-am-i-missing/175096 "2026-10-19T16:49:17Z")
Hey everyone, I’ve been working on a local-first, open-source Python tool (InBox Wall) to sanitize email HTML before feeding it to a local AI agent via MCP. The goal is to prevent hidden CSS/Unicode prompt injections wi… --- ## [:Google Ads MCP — production accounts blocked (test-only developer token) despite user having Explorer](https://forum.cursor.com/t/google-ads-mcp-production-accounts-blocked-test-only-developer-token-despite-user-having-explorer/175304)
**Author:** [@Marcin\_Duda](https://forum.cursor.com/u/Marcin_Duda)\ **Replies:** 1\ **Last updated:** [October 19, 2026, 11:52am UTC](https://forum.cursor.com/t/google-ads-mcp-production-accounts-blocked-test-only-developer-token-despite-user-having-explorer/175304 "2026-10-19T11:52:20Z")
Where does the bug appear (feature/product)? Cursor IDE Describe the Bug Hi Cursor Support, I’m using the built-in Google Ads MCP in Cursor. OAuth works and list\_accessible\_customers returns my accounts, but any search… --- ## [Grok Bot: "Finance" connector listed twice in connections, and orphaned Context7 server from retired plugin 406 can't be uninstalled](https://forum.cursor.com/t/grok-bot-finance-connector-listed-twice-in-connections-and-orphaned-context7-server-from-retired-plugin-406-cant-be-uninstalled/175125)
**Author:** [@jsolly](https://forum.cursor.com/u/jsolly)\ **Replies:** 1\ **Last updated:** [October 19, 2026, 8:46am UTC](https://forum.cursor.com/t/grok-bot-finance-connector-listed-twice-in-connections-and-orphaned-context7-server-from-retired-plugin-406-cant-be-uninstalled/175125 "2026-10-19T08:46:45Z")
Where does the bug appear (feature/product)? Grok Bot Describe the Bug Two connector-list problems on the same account: Duplicate Finance entry. The app’s connections list shows “Finance, 1 connector, Connected”, and… [Next page](https://forum.cursor.com/tag/mcp/47.md?match_all_tags=true&page=1&tags%5B%5D=mcp)