langsmith-tracing

posts_batch=$(echo "$posts_batch" | jq --argjson data "$assistant_data" '. += [$data]')

Automations
Monitoring
101

What it does and how to use it

A hook that automates monitoring actions at key moments (before/after a tool runs, on save, etc.), without you having to think about it.

Install the hook (command above).
It runs automatically on the defined events.
Adjust the rules in the settings file if you want to fine-tune it.

Install (Claude Code)

mkdir -p .claude/hooks && curl -fsSL https://doutorai.pt/data/lib/hooks__langsmith-tracing-2.md -o .claude/hooks/langsmith-tracing-2.sh

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

#!/bin/bash
###
# Claude Code Stop Hook - LangSmith Tracing Integration
# Sends Claude Code traces to LangSmith after each response.
###

set -e

# Config (needed early for logging)
LOG_FILE="$HOME/.claude/state/hook.log"
DEBUG="$(echo "$CC_LANGSMITH_DEBUG" | tr '[:upper:]' '[:lower:]')"

# Logging functions
log() {
    local level="$1"
    shift
    echo "$(date '+%Y-%m-%d %H:%M:%S') [$level] $*" >> "$LOG_FILE"
}

debug() {
    if [ "$DEBUG" = "true" ]; then
        log "DEBUG" "$@"
    fi
}

# Immediate debug logging
debug "Hook started, TRACE_TO_LANGSMITH=$TRACE_TO_LANGSMITH"

# Exit early 

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