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Feature request: Add support for onToolCall and onData in readUIMessageStream

ai/uianything UI relatedanything UI related

featureNew feature or requestNew feature or request

Status: Open.

#7408 In vercel/ai;

· remorses opened on Jul 19, 2025

Feature request: Add onToolOutput argument to useChat

ai/corecore functions like generateText, streamText, etc. Provider utils, and provider spec.core functions like generateText, streamText, etc. Provider utils, and provider spec.

featureNew feature or requestNew feature or request

Status: Open.

#7410 In vercel/ai;

· remorses opened on Jul 19, 2025

fetchOptions support (for example for proxy)

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

featureNew feature or requestNew feature or request

provider/openaiIssues related to the @ai-sdk/openai providerIssues related to the @ai-sdk/openai provider

Status: Open.

#7413 In vercel/ai;

· kravetsone opened on Jul 19, 2025

[AI SDK v5] I don't understand submit-tool-result follow-up requests

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

ai/uianything UI relatedanything UI related

bugSomething isn't working as documentedSomething isn't working as documented

provider/anthropicIssues related to the @ai-sdk/anthropic providerIssues related to the @ai-sdk/anthropic provider

Status: Open.

#7449 In vercel/ai;

· arielweinberger opened on Jul 22, 2025

update fastapi example and documentation

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

ai/uianything UI relatedanything UI related

provider/openaiIssues related to the @ai-sdk/openai providerIssues related to the @ai-sdk/openai provider

support

Status: Open.

#7496 In vercel/ai;

· 0x4bs3nt opened on Jul 23, 2025

Partial streamed message and metadata are lost on useChat error

ai/uianything UI relatedanything UI related

bugSomething isn't working as documentedSomething isn't working as documented

Status: Open.

#7562 In vercel/ai;

· nick-rackauckas opened on Jul 25, 2025

claude sonnet 4 extended thinking requires thinking block on final message

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

bugSomething isn't working as documentedSomething isn't working as documented

provider/anthropicIssues related to the @ai-sdk/anthropic providerIssues related to the @ai-sdk/anthropic provider

Status: Open.

#7729 In vercel/ai;

· rbitar opened on Aug 3, 2025

addToolResult does not work with MCP tools (dynamic-tool)

ai/mcprelated to `@ai-sdk/mcp` packagerelated to `@ai-sdk/mcp` package

bugSomething isn't working as documentedSomething isn't working as documented

Status: Open.

#7868 In vercel/ai;

· perfectbase opened on Aug 8, 2025

AI SDK 5 Migration "Failed to parse stream string. No separator found"

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

bugSomething isn't working as documentedSomething isn't working as documented

provider/googleIssues related to the @ai-sdk/google providerIssues related to the @ai-sdk/google provider

Status: Open.

#8145 In vercel/ai;

· lgrammel opened on Aug 19, 2025

Resume stream invalid state: controller is already closed

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

ai/uianything UI relatedanything UI related

bugSomething isn't working as documentedSomething isn't working as documented

provider/openaiIssues related to the @ai-sdk/openai providerIssues related to the @ai-sdk/openai provider

Status: Open.

#6974 In vercel/ai;

· Shinchan3102 opened on Jul 2, 2025

SSE for google grounding not working

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

bugSomething isn't working as documentedSomething isn't working as documented

provider/googleIssues related to the @ai-sdk/google providerIssues related to the @ai-sdk/google provider

provider/openaiIssues related to the @ai-sdk/openai providerIssues related to the @ai-sdk/openai provider

Status: Open.

#7063 In vercel/ai;

· HarshidKhunt09 opened on Jul 4, 2025

aisdk v5, tool call input / output comes out as null in langfuse

ai/corecore functions like generateText, streamText, etc. Provider utils, and provider spec.core functions like generateText, streamText, etc. Provider utils, and provider spec.

bugSomething isn't working as documentedSomething isn't working as documented

Status: Open.

#7150 In vercel/ai;

· idle1dev opened on Jul 9, 2025

Partial UIMessage collection on abort or error

ai/uianything UI relatedanything UI related

bugSomething isn't working as documentedSomething isn't working as documented

Status: Open.

#7253 In vercel/ai;

· ahmadhuzaifa opened on Jul 13, 2025

useCompletion does not reset the input after submit

ai/uianything UI relatedanything UI related

bugSomething isn't working as documentedSomething isn't working as documented

Status: Open.

#7259 In vercel/ai;

· gopinav opened on Jul 13, 2025

OpenAI web search not working

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

bugSomething isn't working as documentedSomething isn't working as documented

provider/openaiIssues related to the @ai-sdk/openai providerIssues related to the @ai-sdk/openai provider

Status: Open.

#7296 In vercel/ai;

· HarshidKhunt09 opened on Jul 15, 2025

V5 VueJS, pinia & updating the Chat id

ai/uianything UI relatedanything UI related

featureNew feature or requestNew feature or request

Status: Open.

#7340 In vercel/ai;

· Mael-Abgrall opened on Jul 16, 2025

Request an update for the FASTAPI example using AI SDK v5

ai/uianything UI relatedanything UI related

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#6465 In vercel/ai;

· Haoxincode opened on May 24, 2025

Add PDF document support for Anthropic Vertex Provider

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

bugSomething isn't working as documentedSomething isn't working as documented

provider/anthropicIssues related to the @ai-sdk/anthropic providerIssues related to the @ai-sdk/anthropic provider

provider/google-vertexIssues related to the @ai-sdk/google-vertex providerIssues related to the @ai-sdk/google-vertex provider

Status: Open.

#6830 In vercel/ai;

· aissar opened on Jun 23, 2025

Nullable non-scalar input schema defined with Zod gets casted to the string "null"

ai/providerrelated to a provider package. Must be assigned together with at least one `provider/*` labelrelated to a provider package. Must be assigned together with at least one `provider/*` label

ai/uianything UI relatedanything UI related

bugSomething isn't working as documentedSomething isn't working as documented

provider/anthropicIssues related to the @ai-sdk/anthropic providerIssues related to the @ai-sdk/anthropic provider

provider/openaiIssues related to the @ai-sdk/openai providerIssues related to the @ai-sdk/openai provider

Status: Open.

#6932 In vercel/ai;

· philipandersson opened on Jun 30, 2025