dexter

Dexter Skill (Clawdbot)

Dexter is an autonomous financial research agent that plans, executes, and synthesizes financial data analysis. Use it for any financial research question involving stocks, crypto, company fundamentals, or market data.

When to Use Dexter

Use Dexter for:

Note: Dexter's Financial Datasets API covers primarily US stocks. For international stocks (like European exchanges), it falls back to web search via Tavily.

Installation

If Dexter is not installed, follow these steps:

1. Clone and Install

DEXTER_DIR="/root/clawd-workspace/dexter"
Clone if not exists
if [ ! -d "$DEXTER_DIR" ]; then
  git clone https://github.com/virattt/dexter.git "$DEXTER_DIR"
fi
cd "$DEXTER_DIR"
Install dependencies
bun install

2. Configure API Keys

Create .env file with required API keys:

cat > "$DEXTER_DIR/.env" << 'EOF'
LLM API Keys (at least one required)
ANTHROPIC_API_KEY=your-anthropic-key
Stock Market API Key - Get from https://financialdatasets.ai
FINANCIAL_DATASETS_API_KEY=your-financial-datasets-key
Web Search API Key - Get from https://tavily.com (optional but recommended)
TAVILY_API_KEY=your-tavily-key
EOF

API Key Sources:

3. Patch for Anthropic-Only Usage

Dexter's tool executor defaults to OpenAI's gpt-5-mini. If using Anthropic only, patch it:

# Fix hardcoded OpenAI model in tool-executor.ts
sed -i "s/const SMALL_MODEL = 'gpt-5-mini';/const SMALL_MODEL = 'claude-3-5-haiku-latest';/" \
  "$DEXTER_DIR/src/agent/tool-executor.ts"

4. Configure Model Settings

Set Claude as the default model:

mkdir -p "$DEXTER_DIR/.dexter"
cat > "$DEXTER_DIR/.dexter/settings.json" << 'EOF'
{
  "provider": "anthropic",
  "modelId": "claude-sonnet-4-5"
}
EOF

5. Create Non-Interactive Query Script

cat > "$DEXTER_DIR/query.ts" << 'SCRIPT'
#!/usr/bin/env bun
/**
 * Non-interactive Dexter query runner
 * Usage: bun query.ts "What is Apple's revenue growth?"
 */
import { config } from 'dotenv';
import { Agent } from './src/agent/orchestrator.js';
import { getSetting } from './src/utils/config.js';
config({ quiet: true });
const query = process.argv[2];
if (!query) {
  console.error('Usage: bun query.ts "Your financial question here"');
  process.exit(1);
}
const model = getSetting('modelId', 'claude-sonnet-4-5') as string;
async function runQuery() {
  let answer = '';
  
  const agent = new Agent({
    model,
    callbacks: {
      onPhaseStart: (phase) => {
        if (process.env.DEXTER_VERBOSE) {
          console.error([Phase: ${phase}]);
        }
      },
      onPlanCreated: (plan) => {
        if (process.env.DEXTER_VERBOSE) {
          console.error([Tasks: ${plan.tasks.map(t => t.description).join(', ')}]);
        }
      },
      onAnswerStream: async (stream) => {
        for await (const chunk of stream) {
          answer += chunk;
          process.stdout.write(chunk);
        }
      },
    },
  });
  try {
    await agent.run(query);
    if (!answer.endsWith('\n')) {
      console.log();
    }
  } catch (error) {
    console.error('Error:', error);
    process.exit(1);
  }
}
runQuery();
SCRIPT

Full One-Shot Installation

Complete installation script (requires API keys as environment variables):

#!/bin/bash
set -e
DEXTER_DIR="/root/clawd-workspace/dexter"
Clone
[ ! -d "$DEXTER_DIR" ] && git clone https://github.com/virattt/dexter.git "$DEXTER_DIR"
cd "$DEXTER_DIR"
Install deps
bun install
Create .env (set these variables before running)
cat > .env << EOF
ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY:-your-key-here}
FINANCIAL_DATASETS_API_KEY=${FINANCIAL_DATASETS_API_KEY:-your-key-here}
TAVILY_API_KEY=${TAVILY_API_KEY:-your-key-here}
EOF
Patch for Anthropic
sed -i "s/const SMALL_MODEL = 'gpt-5-mini';/const SMALL_MODEL = 'claude-3-5-haiku-latest';/" \
  src/agent/tool-executor.ts
Set model config
mkdir -p .dexter
echo '{"provider":"anthropic","modelId":"claude-sonnet-4-5"}' > .dexter/settings.json
echo "Dexter installed successfully!"

Location

/root/clawd-workspace/dexter

Quick Query (Non-Interactive)

For quick financial questions, use the query script:

cd /root/clawd-workspace/dexter && bun query.ts "Your financial question here"

Examples:

bun query.ts "What is Apple's current P/E ratio?"
bun query.ts "Compare Microsoft and Google revenue growth over the last 4 quarters"
bun query.ts "What was Tesla's free cash flow in 2025?"
bun query.ts "Show me insider trades for NVDA in the last 30 days"
bun query.ts "What is Bitcoin's price trend over the last week?"

For verbose output (shows planning steps):

DEXTER_VERBOSE=1 bun query.ts "Your question"

Interactive Mode (Complex Research)

For multi-turn research sessions or follow-up questions, use the interactive CLI via tmux:

SOCKET_DIR="${CLAWDBOT_TMUX_SOCKET_DIR:-${TMPDIR:-/tmp}/clawdbot-tmux-sockets}"
SOCKET="$SOCKET_DIR/clawdbot.sock"
SESSION=dexter
Start Dexter (if not running)
tmux -S "$SOCKET" kill-session -t "$SESSION" 2>/dev/null || true
tmux -S "$SOCKET" new -d -s "$SESSION" -n shell -c /root/clawd-workspace/dexter
tmux -S "$SOCKET" send-keys -t "$SESSION":0.0 -- 'bun start' Enter
sleep 3
Send a query
tmux -S "$SOCKET" send-keys -t "$SESSION":0.0 -l -- 'Your question here'
tmux -S "$SOCKET" send-keys -t "$SESSION":0.0 Enter
Check output
tmux -S "$SOCKET" capture-pane -p -J -t "$SESSION":0.0 -S -200

Available Tools (Under the Hood)

Dexter automatically selects and uses these tools based on your query:

Financial Statements

Prices

Crypto

Metrics

SEC Filings

Other Data

Agent Architecture

Dexter uses a multi-phase approach:

1. Understand: Extract intent, tickers, and time periods from query 2. Plan: Create task list with dependencies 3. Execute: Run tasks in parallel where possible 4. Reflect: Evaluate if more data is needed (iterates up to 5x) 5. Answer: Synthesize comprehensive response with sources

Example Queries

Stock Analysis:

Financial Health:

SEC Filings:

Crypto:

Market Research:

Troubleshooting

"Missing credentials... OPENAI_API_KEY"

API errors for non-US stocks

Slow responses

Tips

1. Be specific: Include ticker symbols and time periods when known 2. US stocks work best: The Financial Datasets API has comprehensive US coverage 3. International stocks: Dexter falls back to web search for non-US stocks 4. Crypto format: Use BTC-USD, ETH-USD format for crypto tickers 5. Timeout: Complex queries may take 30-60 seconds as Dexter plans and executes multiple tasks

1. Be specific: Include ticker symbols and time periods when known 2. US stocks work best: The Financial Datasets API has comprehensive US coverage 3. International stocks: Dexter falls back to web search for non-US stocks 4. Crypto format: Use BTC-USD, ETH-USD format for crypto tickers 5. Timeout: Complex queries may take 30-60 seconds as Dexter plans and executes multiple tasks