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langchain4j-tool-function-calling-patterns

95 / 100 · Low risk

Fine to try.

By giuseppe-trisciuoglio/developer-kit (GitHub) · coding · 367 stars · scanned at commit fe73fb3

Provides and generates LangChain4j tool and function calling patterns: annotates methods as tools with @Tool, configures tool executors, registers tools with AiServices, validates tool parameters, and handles tool execution errors. Use when building AI agents that call tools, define function specifications, manage tool responses, or integrate external APIs with LLM-driven applications.

Works with any agent that supports SKILL.md skills.

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What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'langchain4j-tool-function-calling-patterns' ] || [ -L ~/.agents/skills/'langchain4j-tool-function-calling-patterns' ]; then echo 'A skill folder named langchain4j-tool-function-calling-patterns already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/giuseppe-trisciuoglio/developer-kit' "$d" && git -C "$d" checkout --quiet 'fe73fb33a09ee6562eeec7415a3f9a3bcf795177' -- 'plugins/developer-kit-java/skills/langchain4j-tool-function-calling-patterns' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/developer-kit-java/skills/langchain4j-tool-function-calling-patterns' ~/.agents/skills/'langchain4j-tool-function-calling-patterns' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'langchain4j-tool-function-calling-patterns' ~/.claude/skills/'langchain4j-tool-function-calling-patterns' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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