Introducing advanced tool use on the Claude Developer Platform
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Quick Take
Anthropic just solved three major pain points Brian likely faces: context window bloat from tool definitions, inefficient API round-trips for complex workflows, and parameter errors in AI tool calling. These features could dramatically improve the AI-powered automation he builds for side projects and credit card offer workflows.
Relevant Domains
AI/agents/future of software work - Core focus Engineering craft/architecture/productivity - Direct application to current work Side projects/automation/earning from skills - Could enhance print-on-demand automation and web agency tools
Key Quotes
85% reduction in token usage while maintaining access to your full tool library
Average usage dropped from 43,588 to 27,297 tokens, a 37% reduction on complex research tasks
Each tool call requires a full inference pass
Tool definitions can sometimes consume 50,000+ tokens before an agent reads a request
Accuracy improvements: Opus 4 from 49% to 74%, Opus 4.5 from 79.5% to 88.1%
Tags
#ai-agents
#claude-api
#tool-orchestration
#fintech-engineering
#automation
#ai-architecture
#developer-productivity