docs: update for pipecat PR #4654

[markbackman]

Automated documentation update for pipecat PR #4654.

Changes

pipecat/learn/function-calling.mdx

• Updated "Using Direct Functions (Shorthand)" section: Shows the simpler pattern of passing direct functions directly to LLMContext(tools=[...]) instead of wrapping in ToolsSchema first
• Added auto-registration documentation: Explains that direct functions listed in LLMContext are automatically registered with the LLM service, eliminating the need for separate register_direct_function() calls
• Added @direct_function decorator documentation: New section explaining the optional decorator for overriding call options (cancel_on_interruption, timeout) on direct functions
• Updated "Register Function Handlers" section: Clarifies that explicit registration is now optional and explains when it's still useful
• Updated code examples: All examples now show the simplified API with auto-registration
• Updated "Create the Pipeline" section: Shows the list form for tools instead of ToolsSchema

pipecat/learn/context-management.mdx

• Updated "Context with Function Calling" section: Shows direct functions passed as a list to LLMContext instead of wrapped in ToolsSchema
• Updated code example: Demonstrates the simpler API with a direct function example
• Added cross-reference: Links to the function-calling guide for more details

Summary

The PR simplifies the function calling API by eliminating boilerplate. Instead of:

llm.register_direct_function(get_weather)
tools = ToolsSchema(standard_tools=[get_weather])
context = LLMContext(tools=tools)

Users can now write:

context = LLMContext(tools=[get_weather])

The functions are automatically registered when the context is used. The @direct_function decorator provides an optional way to override call options without explicit registration.

Gaps identified

None. The PR only changed internal APIs (LLMService, LLMContext, ToolsSchema) and introduced the @direct_function decorator. All user-facing documentation that references these APIs has been updated.

[mintlify]

Preview deployment for your docs. Learn more about Mintlify Previews.

Project	Status	Preview	Updated (UTC)
Pipecat	🟢 Ready	View Preview	Jun 8, 2026, 7:59 PM

💡 Tip: Enable Workflows to automatically generate PRs for you.