this repo has no description
feat: load system prompt from external file with dynamic tool injection
- Add prompts/SYSTEM_PROMPT.md.example as template
- Add src/prompts.ts to load and inject tools at runtime
- Update bot.ts to use loadSystemPrompt() for agent creation
- Gitignore prompts/SYSTEM_PROMPT.md (contains personal info)
- Update README with setup instructions
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+74
-15
+3
.gitignore
+3
.gitignore
+7
README.md
+7
README.md
···
50
50
51
51
```bash
52
52
cp .env.example .env
53
+
cp prompts/SYSTEM_PROMPT.md.example prompts/SYSTEM_PROMPT.md
53
54
```
54
55
55
56
Edit `.env` with your values (see sections below for how to get each).
57
+
58
+
Edit `prompts/SYSTEM_PROMPT.md` to customize the agent's personality and behavior. The `{{TOOLS}}` placeholder is automatically replaced with the list of available tools at runtime.
56
59
57
60
### 3. Start Docker services
58
61
···
208
211
│ ├── detect.ts # Haiku-based overwhelm/brain dump detection
209
212
│ ├── health.ts # Health check endpoints
210
213
│ ├── letta.ts # Letta client bootstrap
214
+
│ ├── prompts.ts # System prompt loader with tool injection
211
215
│ ├── db/
212
216
│ │ ├── index.ts # Database initialization
213
217
│ │ ├── schema.ts # Drizzle ORM schema
···
220
224
│ ├── items.ts # save_item, update_item tools
221
225
│ ├── context.ts # get_open_items tool
222
226
│ └── wins.ts # Tiny wins tools (record, delete, query)
227
+
├── prompts/
228
+
│ ├── SYSTEM_PROMPT.md # Your customized system prompt (gitignored)
229
+
│ └── SYSTEM_PROMPT.md.example # Template to copy
223
230
├── scripts/
224
231
│ ├── setup-letta-provider.ts # Setup verification
225
232
│ └── cleanup-agents.ts # Delete stale Letta agents
+11
prompts/SYSTEM_PROMPT.md.example
+11
prompts/SYSTEM_PROMPT.md.example
···
1
+
# Personal Assistant
2
+
3
+
You are a helpful personal assistant. Customize this prompt to reflect your needs and communication style.
4
+
5
+
## Available Tools
6
+
7
+
You have access to the following tools:
8
+
9
+
{{TOOLS}}
10
+
11
+
Use these tools proactively to help manage tasks, track wins, and stay organized.
+5
-15
src/bot.ts
+5
-15
src/bot.ts
···
13
13
import { config } from './config';
14
14
import { detectAndParse, formatDetectionContext } from './detect';
15
15
import { getLettaClient, getRegisteredToolIds } from './letta';
16
+
import { loadSystemPrompt } from './prompts';
16
17
17
18
/**
18
19
* Create Telegraf bot instance
···
98
99
const toolIds = getRegisteredToolIds();
99
100
console.log(`Will attach ${String(toolIds.length)} tools to new agent`);
100
101
102
+
// Load system prompt from file with dynamic tool injection
103
+
const systemPrompt = await loadSystemPrompt();
104
+
101
105
// Workaround for Letta bug: openai-proxy/ handles are rejected during creation
102
106
// but work when set via llm_config modification.
103
107
// Step 1: Create agent with letta-free model (tools attached separately in step 3)
···
109
113
memory_blocks: [
110
114
{
111
115
label: 'persona',
112
-
value: `You are a helpful ADHD support assistant. You help users with:
113
-
- Task management and breaking down complex tasks
114
-
- Time management and scheduling
115
-
- Reducing overwhelm and executive dysfunction
116
-
- Building habits and routines
117
-
- Managing distractions
118
-
119
-
Be supportive, understanding, and practical. Keep responses concise and actionable.
120
-
121
-
You have access to tools for managing tasks and items. Use them to help users:
122
-
- parse_brain_dump: Extract tasks from free-form text
123
-
- break_down_task: Split complex tasks into subtasks
124
-
- save_item: Save tasks, brain dumps, or subtasks
125
-
- update_item: Update status, priority, or content
126
-
- get_open_items: View open tasks and brain dumps`,
116
+
value: systemPrompt,
127
117
},
128
118
{
129
119
label: 'human',
+48
src/prompts.ts
+48
src/prompts.ts
···
1
+
/**
2
+
* System prompt loader with dynamic tool injection
3
+
*
4
+
* Loads the system prompt from a markdown file and injects
5
+
* the available tools from the tool registry.
6
+
*/
7
+
8
+
import { toolRegistry } from './tools';
9
+
10
+
/**
11
+
* Path to the system prompt template
12
+
*/
13
+
const SYSTEM_PROMPT_PATH = new URL('../prompts/SYSTEM_PROMPT.md', import.meta.url).pathname;
14
+
15
+
/**
16
+
* Format a tool definition as a bullet point for the prompt
17
+
*/
18
+
function formatToolForPrompt(name: string, description: string): string {
19
+
return `- ${name}: ${description}`;
20
+
}
21
+
22
+
/**
23
+
* Generate the tools section from the registry
24
+
*/
25
+
function generateToolsSection(): string {
26
+
const tools = toolRegistry.getAll();
27
+
28
+
if (tools.length === 0) {
29
+
return '(No tools registered yet)';
30
+
}
31
+
32
+
return tools.map((tool) => formatToolForPrompt(tool.name, tool.description)).join('\n');
33
+
}
34
+
35
+
/**
36
+
* Load the system prompt from file and inject tools
37
+
*
38
+
* @returns The complete system prompt with tools injected
39
+
*/
40
+
export async function loadSystemPrompt(): Promise<string> {
41
+
const templateFile = Bun.file(SYSTEM_PROMPT_PATH);
42
+
const template = await templateFile.text();
43
+
44
+
const toolsSection = generateToolsSection();
45
+
const prompt = template.replace('{{TOOLS}}', toolsSection);
46
+
47
+
return prompt;
48
+
}