# \#cursor-sdk **URL:** https://forum.cursor.com/tag/cursor-sdk/388.md [Latest](https://forum.cursor.com/latest.md) · [Categories](https://forum.cursor.com/categories.md) · [Tags](https://forum.cursor.com/tags.md) --- ## [Cursor SDK continuously fails on some hosts](https://forum.cursor.com/t/cursor-sdk-continuously-fails-on-some-hosts/177135)
**Author:** [@Fulvio\_Calcabrini](https://forum.cursor.com/u/Fulvio_Calcabrini)\ **Replies:** 2\ **Last updated:** [November 4, 2026, 1:42pm UTC](https://forum.cursor.com/t/cursor-sdk-continuously-fails-on-some-hosts/177135 "2026-11-04T13:42:08Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug On different hosts (me and most of my colleagues in the team) we have very different results when we execute an agent request (the same request) t… --- ## [API - https://api.cursor.com/v1/agents failing with usage\_limit\_exceeded](https://forum.cursor.com/t/api-https-api-cursor-com-v1-agents-failing-with-usage-limit-exceeded/175157)
**Author:** [@geerzo](https://forum.cursor.com/u/geerzo)\ **Replies:** 7\ **Last updated:** [November 3, 2026, 10:28pm UTC](https://forum.cursor.com/t/api-https-api-cursor-com-v1-agents-failing-with-usage-limit-exceeded/175157 "2026-11-03T22:28:55Z")
I recently changed to the new consolidated Cursor/Grok plans and I have started getting the error below when trying to create a new cloud agent. Interacting with existing agents still works fine. I have the Premium plan … --- ## [Cloud Agents API/SDK stream delivers intermediate messages (steps) ~20–40s later than cursor.com/agents UI on the same run](https://forum.cursor.com/t/cloud-agents-api-sdk-stream-delivers-intermediate-messages-steps-20-40s-later-than-cursor-com-agents-ui-on-the-same-run/170833)
**Author:** [@Kannan\_Mavila](https://forum.cursor.com/u/Kannan_Mavila)\ **Replies:** 10\ **Last updated:** [November 3, 2026, 12:40pm UTC](https://forum.cursor.com/t/cloud-agents-api-sdk-stream-delivers-intermediate-messages-steps-20-40s-later-than-cursor-com-agents-ui-on-the-same-run/170833 "2026-11-03T12:40:39Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug We’re building a product (Nolby) on Cloud Agents (bc-…) via CURSOR\_API\_KEY + @cursor/sdk. The web UI at /agents/{bcId} shows assistant bubbles alm… --- ## [Sign in with Cursor — OAuth for Third-Party Apps Using Users’ Cursor Plans](https://forum.cursor.com/t/sign-in-with-cursor-oauth-for-third-party-apps-using-users-cursor-plans/177035)
**Author:** [@yu-iskw](https://forum.cursor.com/u/yu-iskw)\ **Replies:** 0\ **Last updated:** [November 2, 2026, 11:27am UTC](https://forum.cursor.com/t/sign-in-with-cursor-oauth-for-third-party-apps-using-users-cursor-plans/177035 "2026-11-02T11:27:15Z")
Feature request for product/service API Keys Describe the request Cursor SDK already supports browser-based authentication (Cursor.auth.login()) and charging SDK usage to a user’s Cursor plan. However, it would be grea… --- ## [@cursor/sdk (local runtime) on Windows: background shells are only partially killed at the end of a run, so grandchild processes are orphaned and keep running](https://forum.cursor.com/t/cursor-sdk-local-runtime-on-windows-background-shells-are-only-partially-killed-at-the-end-of-a-run-so-grandchild-processes-are-orphaned-and-keep-running/176867)
**Author:** [@Arron\_Zhou](https://forum.cursor.com/u/Arron_Zhou)\ **Replies:** 1\ **Last updated:** [October 31, 2026, 6:17pm UTC](https://forum.cursor.com/t/cursor-sdk-local-runtime-on-windows-background-shells-are-only-partially-killed-at-the-end-of-a-run-so-grandchild-processes-are-orphaned-and-keep-running/176867 "2026-10-31T18:17:51Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug nvironment @cursor/sdk 1.0.31, local runtime (Agent with local: {…}), embedded in an Electron 44 app (main process) Windows , x64 The same code… --- ## [SDK in a SaaS product: can customers pick the model and pay per usage?](https://forum.cursor.com/t/sdk-in-a-saas-product-can-customers-pick-the-model-and-pay-per-usage/176778)
**Author:** [@awal\_seo](https://forum.cursor.com/u/awal_seo)\ **Replies:** 1\ **Last updated:** [October 30, 2026, 8:47pm UTC](https://forum.cursor.com/t/sdk-in-a-saas-product-can-customers-pick-the-model-and-pay-per-usage/176778 "2026-10-30T20:47:26Z")
Hi Cursor team, This follows up on the closed thread “API / SDK - Terms of use - Question” (May 5), where Kevin explained that embedding Cursor as a backend AI service in a product’s tech stack is an intended use of t… --- ## [@cursor/sdk 1.0.35 + Grok 4.6 high: isolated no-tool runs drop or die with \[internal\] unable to open database file (2026-10-02)](https://forum.cursor.com/t/cursor-sdk-1-0-35-grok-4-6-high-isolated-no-tool-runs-drop-or-die-with-internal-unable-to-open-database-file-2026-10-02/173594)
**Author:** [@mad4thrash](https://forum.cursor.com/u/mad4thrash)\ **Replies:** 8\ **Last updated:** [October 29, 2026, 8:05pm UTC](https://forum.cursor.com/t/cursor-sdk-1-0-35-grok-4-6-high-isolated-no-tool-runs-drop-or-die-with-internal-unable-to-open-database-file-2026-10-02/173594 "2026-10-29T20:05:11Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug Where does the bug appear: Cursor SDK (@cursor/sdk), not the IDE chat. On 2026-10-02, local Agent.create → send → wait() runs with Grok 4.6, effo… --- ## [Agent SDK: Workload Identity and Auth Callback](https://forum.cursor.com/t/agent-sdk-workload-identity-and-auth-callback/176671)
**Author:** [@LaireLaFlare](https://forum.cursor.com/u/LaireLaFlare)\ **Replies:** 0\ **Last updated:** [October 29, 2026, 4:10pm UTC](https://forum.cursor.com/t/agent-sdk-workload-identity-and-auth-callback/176671 "2026-10-29T16:10:53Z")
Feature request for product/service Cursor SDK Describe the request We build Keycard, which gives agents short-lived, policy-checked credentials instead of stored API keys. We’ve specced a Keycard integration for the Ag… --- ## [Cloud agents intermittently start with no secrets injected](https://forum.cursor.com/t/cloud-agents-intermittently-start-with-no-secrets-injected/176499)
**Author:** [@youssefe](https://forum.cursor.com/u/youssefe)\ **Replies:** 6\ **Last updated:** [October 29, 2026, 2:41pm UTC](https://forum.cursor.com/t/cloud-agents-intermittently-start-with-no-secrets-injected/176499 "2026-10-29T14:41:33Z")
Since about 14:55 UTC on 28 Oct 2026, every Cloud Agent run on one of our environments starts with no secrets at all on the VM. Before that, the same fault happened intermittently from 09:32 UTC. This agent is now down … --- ## [Local SDK: let the host answer AskQuestion](https://forum.cursor.com/t/local-sdk-let-the-host-answer-askquestion/176635)
**Author:** [@Dominique\_Pijnenburg](https://forum.cursor.com/u/Dominique_Pijnenburg)\ **Replies:** 0\ **Last updated:** [October 29, 2026, 1:13pm UTC](https://forum.cursor.com/t/local-sdk-let-the-host-answer-askquestion/176635 "2026-10-29T13:13:10Z")
Feature request for product/service Cursor SDK Describe the request Local SDK runs still reject AskQuestion. In @cursor/sdk 1.2.0, sdk.run answers askQuestionInteractionQuery with “Interactive questions are not supporte… --- ## [Run usage totalTokens double-counts cache read and cache write tokens](https://forum.cursor.com/t/run-usage-totaltokens-double-counts-cache-read-and-cache-write-tokens/174871)
**Author:** [@James\_M](https://forum.cursor.com/u/James_M)\ **Replies:** 6\ **Last updated:** [October 29, 2026, 4:20am UTC](https://forum.cursor.com/t/run-usage-totaltokens-double-counts-cache-read-and-cache-write-tokens/174871 "2026-10-29T04:20:23Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug The usage object on a settled run reports inputTokens that already include cacheReadTokens and cacheWriteTokens, but totalTokens adds those two fi… --- ## [Cloud Agent runs via API for my account not working](https://forum.cursor.com/t/cloud-agent-runs-via-api-for-my-account-not-working/176226)
**Author:** [@AndrewC](https://forum.cursor.com/u/AndrewC)\ **Replies:** 1\ **Last updated:** [October 26, 2026, 11:21am UTC](https://forum.cursor.com/t/cloud-agent-runs-via-api-for-my-account-not-working/176226 "2026-10-26T11:21:49Z")
Firing off cloud agents using API key not working for my account. --- ## [How do I get access to systemPrompt in @cursor/sdk? (unknown option '--system-prompt')](https://forum.cursor.com/t/how-do-i-get-access-to-systemprompt-in-cursor-sdk-unknown-option-system-prompt/175262)
**Author:** [@Rohit\_Sen](https://forum.cursor.com/u/Rohit_Sen)\ **Replies:** 2\ **Last updated:** [October 23, 2026, 2:16pm UTC](https://forum.cursor.com/t/how-do-i-get-access-to-systemprompt-in-cursor-sdk-unknown-option-system-prompt/175262 "2026-10-23T14:16:09Z")
Hi! I’m building an agent service on the TypeScript SDK (@cursor/sdk 1.0.38, local runtime) and would like systemPrompt enabled for my account. What happens const agent = await Agent.create({ apiKey, model: { id: "… --- ## [@cursor/sdk 1.0.31 local agent: Agent.create succeeds, agent.send() hangs with no stream (network to Cursor is healthy)](https://forum.cursor.com/t/cursor-sdk-1-0-31-local-agent-agent-create-succeeds-agent-send-hangs-with-no-stream-network-to-cursor-is-healthy/175847)
**Author:** [@JeremyChow](https://forum.cursor.com/u/JeremyChow)\ **Replies:** 1\ **Last updated:** [October 23, 2026, 4:14am UTC](https://forum.cursor.com/t/cursor-sdk-1-0-31-local-agent-agent-create-succeeds-agent-send-hangs-with-no-stream-network-to-cursor-is-healthy/175847 "2026-10-23T04:14:48Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug @cursor/sdk 1.0.31 local agent: Agent.create() returns in about 2 seconds, then agent.send() never resolves and never rejects. There is no run, no… --- ## [@cursor/sdk 1.0.31 systemPrompt fails in Local Agent with unknown option '--system-prompt'](https://forum.cursor.com/t/cursor-sdk-1-0-31-systemprompt-fails-in-local-agent-with-unknown-option-system-prompt/170614)
**Author:** [@rik1](https://forum.cursor.com/u/rik1)\ **Replies:** 3\ **Last updated:** [October 22, 2026, 4:44am UTC](https://forum.cursor.com/t/cursor-sdk-1-0-31-systemprompt-fails-in-local-agent-with-unknown-option-system-prompt/170614 "2026-10-22T04:44:14Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug In @cursor/sdk@1.0.31, the documented main-agent systemPrompt option is accepted by TypeScript and Agent.create() succeeds, but the Local Agent ru… --- ## [Cursor SDK: runs fail mid-turn with \[resource\_exhausted\]; which per-key limit is it?](https://forum.cursor.com/t/cursor-sdk-runs-fail-mid-turn-with-resource-exhausted-which-per-key-limit-is-it/173940)
**Author:** [@nkoynov](https://forum.cursor.com/u/nkoynov)\ **Replies:** 2\ **Last updated:** [October 21, 2026, 6:49pm UTC](https://forum.cursor.com/t/cursor-sdk-runs-fail-mid-turn-with-resource-exhausted-which-per-key-limit-is-it/173940 "2026-10-21T18:49:39Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug Runs that have already done minutes of work fail with resource\_exhausted, and the error doesn’t say which limit was hit: Local SDK run, 2026-10-… --- ## [Cloud agent runs fail immediately with stream\_unavailable / “Run stream is no longer available”; agent often deleted (404) after first failed bootstrap](https://forum.cursor.com/t/cloud-agent-runs-fail-immediately-with-stream-unavailable-run-stream-is-no-longer-available-agent-often-deleted-404-after-first-failed-bootstrap/171407)
**Author:** [@Ilan\_Levy](https://forum.cursor.com/u/Ilan_Levy)\ **Replies:** 7\ **Last updated:** [October 21, 2026, 6:49pm UTC](https://forum.cursor.com/t/cloud-agent-runs-fail-immediately-with-stream-unavailable-run-stream-is-no-longer-available-agent-often-deleted-404-after-first-failed-bootstrap/171407 "2026-10-21T18:49:28Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug Using @cursor/sdk (^1.0.28), Agent.create() succeeds and agent.send(prompt) returns a run in running state, but the run transitions to error withi… --- ## [Nested subagent gets a broken tool schema for launching further subagents — no working \`task\` tool, contradicts docs](https://forum.cursor.com/t/nested-subagent-gets-a-broken-tool-schema-for-launching-further-subagents-no-working-task-tool-contradicts-docs/172035)
**Author:** [@vlatko](https://forum.cursor.com/u/vlatko)\ **Replies:** 2\ **Last updated:** [October 21, 2026, 6:48pm UTC](https://forum.cursor.com/t/nested-subagent-gets-a-broken-tool-schema-for-launching-further-subagents-no-working-task-tool-contradicts-docs/172035 "2026-10-21T18:48:37Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug Environment @cursor/sdk 1.0.31 (current latest on npm as of 2026-09-17) Local runtime (Agent.create({ local: { cwd, settingSources: \['project'\] … --- ## [Cloud Agents API / SDK: mid-run steer (parity with cursor.com/agents UI)](https://forum.cursor.com/t/cloud-agents-api-sdk-mid-run-steer-parity-with-cursor-com-agents-ui/171670)
**Author:** [@Kannan\_Mavila](https://forum.cursor.com/u/Kannan_Mavila)\ **Replies:** 6\ **Last updated:** [October 21, 2026, 6:05pm UTC](https://forum.cursor.com/t/cloud-agents-api-sdk-mid-run-steer-parity-with-cursor-com-agents-ui/171670 "2026-10-21T18:05:44Z")
Feature request for product/service Cursor SDK Describe the request Please expose mid-run steering for Cloud Agents over the SDK and REST API — the same behavior the product UI already has on Cursor - The best way to co… --- ## [\[SDK\] TranscriptStore ENOENT on Vercel serverless despite JsonlLocalAgentStore in /tmp](https://forum.cursor.com/t/sdk-transcriptstore-enoent-on-vercel-serverless-despite-jsonllocalagentstore-in-tmp/169493)
**Author:** [@Andres\_Salomon](https://forum.cursor.com/u/Andres_Salomon)\ **Replies:** 4\ **Last updated:** [October 21, 2026, 5:39pm UTC](https://forum.cursor.com/t/sdk-transcriptstore-enoent-on-vercel-serverless-despite-jsonllocalagentstore-in-tmp/169493 "2026-10-21T17:39:16Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug @cursor/sdk (1.0.28) local agent on Vercel serverless logs: \[TranscriptStore\] Failed to write transcript: Error: ENOENT: no such file or director… --- ## [@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/sdk local agent: named models fail with status: "error" and no error message](https://forum.cursor.com/t/cursor-sdk-local-agent-named-models-fail-with-status-error-and-no-error-message/164248)
**Author:** [@Parthiv\_Shah](https://forum.cursor.com/u/Parthiv_Shah)\ **Replies:** 8\ **Last updated:** [October 21, 2026, 5:35am UTC](https://forum.cursor.com/t/cursor-sdk-local-agent-named-models-fail-with-status-error-and-no-error-message/164248 "2026-10-21T05:35:29Z")
Hi Cursor team, I’m building a headless app using @cursor/sdk (local runtime). Cursor.models.list() returns the full catalog (~30 models) with parameters and variants, but any explicitly named model fails at run time. O… --- ## [Local IDE agent chats and the Agent CLI still use separate session stores](https://forum.cursor.com/t/local-ide-agent-chats-and-the-agent-cli-still-use-separate-session-stores/165486)
**Author:** [@kurplunkin](https://forum.cursor.com/u/kurplunkin)\ **Replies:** 5\ **Last updated:** [October 20, 2026, 4:29pm UTC](https://forum.cursor.com/t/local-ide-agent-chats-and-the-agent-cli-still-use-separate-session-stores/165486 "2026-10-20T16:29:08Z")
Local IDE agent chats and the Agent CLI still use separate session stores. Cloud/mobile sync for cloud agents is useful, but it doesn’t solve local back-and-forth. Problem IDE chats live in the editor index / agent-tra… --- ## [Cloud Agents API: support Origin repositories (all Origin URL forms rejected with repository\_access)](https://forum.cursor.com/t/cloud-agents-api-support-origin-repositories-all-origin-url-forms-rejected-with-repository-access/169420)
**Author:** [@weg-selim](https://forum.cursor.com/u/weg-selim)\ **Replies:** 4\ **Last updated:** [October 20, 2026, 1:00pm UTC](https://forum.cursor.com/t/cloud-agents-api-support-origin-repositories-all-origin-url-forms-rejected-with-repository-access/169420 "2026-10-20T13:00:01Z")
Feature request for product/service Cloud Agent (GitHub, Slack, Linear,…) Describe the request Request: let the public Cloud Agents API (POST /v1/agents) target Cursor Origin repositories — at least for self-hosted “My … --- ## [@cursor/sdk 1.0.35 and 1.0.36: a backgrounded shell call keeps the Node process alive for 24 hours](https://forum.cursor.com/t/cursor-sdk-1-0-35-and-1-0-36-a-backgrounded-shell-call-keeps-the-node-process-alive-for-24-hours/173928)
**Author:** [@xxchan](https://forum.cursor.com/u/xxchan)\ **Replies:** 2\ **Last updated:** [October 20, 2026, 9:34am UTC](https://forum.cursor.com/t/cursor-sdk-1-0-35-and-1-0-36-a-backgrounded-shell-call-keeps-the-node-process-alive-for-24-hours/173928 "2026-10-20T09:34:35Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug Gathered 2026-10-06 on linux x64, Node 24.19.0, @cursor/sdk 1.0.36 (the latest on npm that day), local runtime, model gpt-5.4-nano. Summary When … --- ## [Local agent shell tool: ECONNRESET in team repo blocklist check crashes the Node process](https://forum.cursor.com/t/local-agent-shell-tool-econnreset-in-team-repo-blocklist-check-crashes-the-node-process/173375)
**Author:** [@James\_M](https://forum.cursor.com/u/James_M)\ **Replies:** 4\ **Last updated:** [October 20, 2026, 9:32am UTC](https://forum.cursor.com/t/local-agent-shell-tool-econnreset-in-team-repo-blocklist-check-crashes-the-node-process/173375 "2026-10-20T09:32:35Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug I run local agents with @cursor/sdk inside a long-lived Node server. A brief network drop reset every HTTP/2 session while an agent was starting a… --- ## [@cursor/sdk pulls undici 5.x transitively — 12 open advisories, none reachable within its declared range](https://forum.cursor.com/t/cursor-sdk-pulls-undici-5-x-transitively-12-open-advisories-none-reachable-within-its-declared-range/171294)
**Author:** [@Jacob\_Tredwell](https://forum.cursor.com/u/Jacob_Tredwell)\ **Replies:** 3\ **Last updated:** [October 20, 2026, 9:32am UTC](https://forum.cursor.com/t/cursor-sdk-pulls-undici-5-x-transitively-12-open-advisories-none-reachable-within-its-declared-range/171294 "2026-10-20T09:32:19Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug @cursor/sdk@1.0.31 cannot produce an advisory-clean dependency graph, and no version inside its declared ranges can fix it. The chain: @cursor/… --- ## [Grok-4.7 run rejects advertised context 500k](https://forum.cursor.com/t/grok-4-7-run-rejects-advertised-context-500k/172554)
**Author:** [@James\_M](https://forum.cursor.com/u/James_M)\ **Replies:** 6\ **Last updated:** [October 19, 2026, 11:27am UTC](https://forum.cursor.com/t/grok-4-7-run-rejects-advertised-context-500k/172554 "2026-10-19T11:27:30Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug I call Cursor.models.list() and grok-4.7 advertises context values 256k and 500k. Its default variant is context 500k with reasoning\_effort high a… --- ## [Cursor/sdk — getTeamRepos network call on every tool run causes ETIMEDOUT + STOPPED tools (local agent)](https://forum.cursor.com/t/cursor-sdk-getteamrepos-network-call-on-every-tool-run-causes-etimedout-stopped-tools-local-agent/165878)
**Author:** [@Yusha\_Arif](https://forum.cursor.com/u/Yusha_Arif)\ **Replies:** 3\ **Last updated:** [October 19, 2026, 10:57am UTC](https://forum.cursor.com/t/cursor-sdk-getteamrepos-network-call-on-every-tool-run-causes-etimedout-stopped-tools-local-agent/165878 "2026-10-19T10:57:55Z")
Where does the bug appear (feature/product)? Cursor SDK Describe the Bug I’m using @cursor/sdk for local agents (via a long-running Node host — Traycer harness issue for context). Before Read/Grep/Shell tools run, the … --- ## [Feature request: launch Cloud Agents on a self-hosted worker without a git repo (via API/CLI)](https://forum.cursor.com/t/feature-request-launch-cloud-agents-on-a-self-hosted-worker-without-a-git-repo-via-api-cli/174258)
**Author:** [@WEIKANG\_RUAN](https://forum.cursor.com/u/WEIKANG_RUAN)\ **Replies:** 2\ **Last updated:** [October 19, 2026, 12:59am UTC](https://forum.cursor.com/t/feature-request-launch-cloud-agents-on-a-self-hosted-worker-without-a-git-repo-via-api-cli/174258 "2026-10-19T00:59:27Z")
Describe the request We run Cursor’s self-hosted worker (agent worker start) on a Windows machine to work on a very large Perforce workspace (~1 TB). Git isn’t an option for us: the repo is too big and our data policy do… [Next page](https://forum.cursor.com/tag/cursor-sdk/388.md?match_all_tags=true&page=1&tags%5B%5D=cursor-sdk)