vercel/ai

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The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

Stars: 26.9k
Forks: 5.2k
Open beginner issues: 8
Indexed issues: 556
Avg merge: 17h 48m
Merged PRs (30d): 516

Dominant language: TypeScript
License: No license data
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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556 open issues indexed

Groq non-streaming crashes with raw TypeError on empty choices Open

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Difficulty 2/5 1-3 hours Newbie friendliness 68/100

vercel/ai#21183 · 4 comments · Opened Sep 19, 2026
deepseek: tool-result images are JSON-stringified instead of sent as image_url (deepseek-flash accepts them) Open

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Difficulty 3/5 1-2 days Newbie friendliness 78/100

vercel/ai#21174 · 3 comments · Opened Sep 19, 2026
validateUIMessages discards schema defaults and transformations Open

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Difficulty 2/5 1-3 hours Newbie friendliness 88/100

vercel/ai#21122 · 3 comments · Opened Sep 18, 2026
DirectChatTransport fails tool-approval continuation when onEnd is set Open

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Difficulty 2/5 1-3 hours Newbie friendliness 84/100

vercel/ai#21118 · 4 comments · Opened Sep 18, 2026
customProvider loses video models from v3 fallback providers Open

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Difficulty 3/5 1-2 days Newbie friendliness 78/100

vercel/ai#21110 · 3 comments · Opened Sep 18, 2026
pruneMessages leaves reasoning files when reasoning is set to all Open

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Difficulty 2/5 1-3 hours Newbie friendliness 88/100

vercel/ai#21102 · 3 comments · Opened Sep 18, 2026
streamText calls the wrong onInputAvailable after tool-name repair Open

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Difficulty 3/5 1-2 days Newbie friendliness 82/100

vercel/ai#21100 · 3 comments · Opened Sep 18, 2026
Google embedMany fails above 100 values when per-value content is provided Open

factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 3/5 1-2 days Newbie friendliness 78/100

vercel/ai#21095 · 3 comments · Opened Sep 18, 2026
Manual tool approval rejects SDK-generated inputs after Zod transforms Open

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Difficulty 4/5 3-5 days Newbie friendliness 72/100

vercel/ai#21091 · 3 comments · Opened Sep 18, 2026
@ai-sdk/harness: host tool execute() never receives tool context (options.context is always undefined) Open

ai/harness factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 3/5 1-2 days Newbie friendliness 70/100

vercel/ai#21075 · 3 comments · Opened Sep 18, 2026
OpenAI speech ignores documented speed and instructions provider options Open

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vercel/ai#21071 · 3 comments · 1 assignee · Opened Sep 18, 2026
extractReasoningMiddleware loses text when text blocks overlap Open

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Difficulty 2/5 1-3 hours Newbie friendliness 84/100

vercel/ai#21050 · 3 comments · Opened Sep 18, 2026
AI SDK 7 does not convert file data when adapting v3 language models Open

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Difficulty 3/5 1-2 days Newbie friendliness 76/100

vercel/ai#21047 · 3 comments · Opened Sep 17, 2026
`@ai-sdk/mcp` wipes pre-registered OAuth clients on `invalid_client` and masks the error during code exchange Open

factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 3/5 1-2 days Newbie friendliness 72/100

vercel/ai#21020 · 3 comments · Opened Sep 17, 2026
harness-pi: read/write/edit/find fail with "Unable to resolve path" on @ai-sdk/sandbox-just-bash (no `realpath`) Open

factory-active factory-automatic harness/pi task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20980 · 4 comments · 1 assignee · Opened Sep 17, 2026
HarnessAgent: stripWorkDir corrupts tool inputs/results by substring replace (`.github/workflows` → `.github.flows`) and cannot be switched off Open

ai/harness factory-active factory-automatic task-bug-reproduction-success task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20959 · 3 comments · 1 assignee · Opened Sep 17, 2026
generateText and streamText treat generated file URLs as base64 Open

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vercel/ai#20951 · 3 comments · 1 assignee · Opened Sep 17, 2026
AI Gateway: request-level provider exclusion (`exclude`) in providerOptions.gateway Open

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Difficulty 4/5 3-5 days Newbie friendliness 48/100

vercel/ai#20934 · 4 comments · Opened Sep 17, 2026
AI Gateway: zai/glm-5.3-flash via Baseten bills the final answer but streams no content when tools are present Open

factory-automatic factory-blocked task-bug-reproduction-out-of-scope task-bug-reproduction-v5.0-out-of-scope task-bug-reproduction-v6.0-out-of-scope task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 4/5 3-5 days Newbie friendliness 48/100

vercel/ai#20932 · 7 comments · Opened Sep 17, 2026
Google image adapter discards candidate finish reasons from NoImageGeneratedError diagnostics Open

factory-active factory-automatic task-bug-reproduction-success task-bug-reproduction-v5.0-issue-invalid task-bug-reproduction-v6.0-issue-invalid task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20910 · 5 comments · 1 assignee · Opened Sep 17, 2026
Add experimental evaluation models to Groq with GPT-OSS 120B Open

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vercel/ai#20900 · 1 assignee · Opened Sep 16, 2026
Add experimental Choice evaluation with Perplexity embeddings Open

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vercel/ai#20898 · 1 assignee · Opened Sep 16, 2026
Add experimental Choice evaluation with Voyage embeddings Open

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vercel/ai#20897 · 1 assignee · Opened Sep 16, 2026
Add experimental Choice evaluation with Fireworks embeddings Open

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vercel/ai#20896 · 1 assignee · Opened Sep 16, 2026
Add experimental language evaluation models to Amazon Bedrock Open

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vercel/ai#20895 · 1 assignee · Opened Sep 16, 2026
Add experimental evaluation models to Google Vertex AI Open

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vercel/ai#20894 · 1 assignee · Opened Sep 16, 2026
feat(provider/quiverai): support Arrow 2 Responses API Open

factory-active factory-automatic task-feature-analysis-done task-feature-implementation-pull-request-created task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20877 · 3 comments · 1 assignee · Opened Sep 16, 2026
feat(provider/quiverai): support SVG editing and animation Open

factory-automatic task-feature-analysis-split-feature task-identify-harness-labels-done task-identify-issue-type-done type:batch

Difficulty 4/5 3-5 days Newbie friendliness 48/100

vercel/ai#20876 · 3 comments · Opened Sep 16, 2026
Normalize reasoning: none to the lowest supported provider setting Open

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Difficulty 5/5 Over a week Newbie friendliness 38/100

vercel/ai#20867 · 2 comments · Opened Sep 16, 2026
Support Workflow serialization classes in lexical scopes Open

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vercel/ai#20864 · 1 assignee · Opened Sep 16, 2026
Add experimental_evaluate with a TypeSafe provider and experimental evaluation spec Open

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vercel/ai#20846 · 2 comments · 1 reaction · 1 assignee · Opened Sep 16, 2026
WorkflowAgent.generate Phase 6: decide standalone workflow text exports Open

documentation-fix factory-active factory-automatic task-documentation-fix-rejected task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20834 · 3 comments · 1 assignee · Opened Sep 16, 2026
WorkflowAgent.generate Phase 5: validate runtime boundaries and shipping contract Open

ai/harness factory-active factory-automatic task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20832 · 1 comment · 1 assignee · Opened Sep 16, 2026
WorkflowAgent.generate phase 4: make approvals and continuation transport-independent Open

ai/harness factory-active factory-automatic task-feature-analysis-done task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20820 · 2 comments · 1 assignee · Opened Sep 16, 2026
WorkflowAgent.generate phase 3: implement non-streaming generation and result parity Open

ai/harness factory-active factory-automatic task-feature-analysis-done task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20818 · 2 comments · 1 assignee · Opened Sep 15, 2026
WorkflowAgent.generate phase 2: extract shared durable execution Open

ai/harness factory-active factory-automatic task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20816 · 1 comment · 1 assignee · Opened Sep 15, 2026
WorkflowAgent.generate phase 1: establish compatibility and regression coverage Open

ai/harness factory-active factory-automatic task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20814 · 1 comment · 1 assignee · Opened Sep 15, 2026
Add WorkflowAgent.generate() with a shared durable tool loop Open

factory-active factory-automatic factory-blocked task-feature-analysis-done task-identify-harness-labels-done task-identify-issue-type-done type:batch

vercel/ai#20813 · 2 comments · 1 assignee · Opened Sep 15, 2026
harness-codex: web_search tool-call input query is still empty after #20577 Open

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vercel/ai#20789 · 1 comment · 1 assignee · Opened Sep 15, 2026
harness-pi: a session reattached in-process keeps the previous request's createPi settings, and there is no way to inject credentials or opt out of reattach Open

factory-active factory-automatic harness/pi task-bug-reproduction-success task-bug-reproduction-v6.0-issue-invalid task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20766 · 4 comments · 1 assignee · Opened Sep 15, 2026
MCP OAuth: tokens invalidation can delete a concurrent refresh winner in shared credential storage Open

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vercel/ai#20674 · 1 comment · 1 assignee · Opened Sep 11, 2026
AI Gateway: non-streaming Anthropic requests with max_tokens > 21,333 rejected ("must be under 21K") since 2026-09-11, same request works with stream: true Open

factory-active factory-automatic factory-blocked task-bug-reproduction-out-of-scope task-identify-harness-labels-done task-identify-issue-type-done

Difficulty 4/5 3-5 days Newbie friendliness 48/100

vercel/ai#20649 · 2 comments · Opened Sep 11, 2026
HarnessAgent: support generic toolApproval callbacks for host tools Open

ai/harness factory-active factory-automatic task-feature-analysis-done task-feature-implementation-pull-request-created task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20607 · 4 comments · 1 assignee · Opened Sep 10, 2026
Community provider: pay-per-call tools from an x402 marketplace (spend-guarded) Open

documentation-addition factory-active factory-automatic task-documentation-addition-approved task-documentation-addition-created task-documentation-addition-evidence-found task-identify-documentation-type-needs-review task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20448 · 30 comments · 1 assignee · Opened Sep 8, 2026
[Feature] WebSockets implementation of ChatTransport Open

factory-active factory-automatic task-feature-analysis-done task-feature-implementation-pull-request-created task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20446 · 4 comments · 1 assignee · Opened Sep 8, 2026
streamText does not enforce `toolChoice: 'required'` Open

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vercel/ai#20424 · 5 comments · 1 assignee · Opened Sep 7, 2026
harness-pi: opt-in setting to load Pi extensions from the filesystem (`extensions: boolean`, default false) Open

factory-active factory-automatic harness/pi task-feature-analysis-done task-feature-implementation-pull-request-created task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20408 · 6 comments · 1 assignee · Opened Sep 6, 2026
AI Gateway: google/gemini-embedding models cannot honor inferenceRegion eu Open

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vercel/ai#20398 · 2 comments · 1 reaction · 1 assignee · Opened Sep 5, 2026
Add support for Microsoft's MAI-Transcribe 2 Open

factory-active factory-automatic task-feature-analysis-done task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20363 · 2 comments · 1 assignee · Opened Sep 4, 2026
NoImageGeneratedError should expose the failing GenerateImageCall Open

factory-active factory-automatic task-feature-analysis-done task-feature-implementation-pull-request-created task-identify-harness-labels-done task-identify-issue-type-done

vercel/ai#20298 · 4 comments · 1 assignee · Opened Sep 3, 2026

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