Docs: Pallas agents

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# iolaus
Personal agents for Daedalus — powered by [Pallas](https://git.helu.ca/r/pallas).
Iolaus is a pure agent project: Python agent definitions + YAML configuration.
The runtime (serving, registry, health checks, multimodal support) lives in Pallas.
## Architecture
```
Daedalus Backend — FastAPI
│ MCP over StreamableHTTP
Pallas MCP Bridge (pallas.server:main)
│ reads agents.yaml for topology
│ reads fastagent.config.yaml for LLM + model capabilities
├── Registry → /.well-known/mcp/server.json (agent discovery)
├── Shawn → kairos, neo4j_cypher, argos, research, time
├── Watson → argos, neo4j_cypher, time
├── Cristiano → nike, neo4j_cypher, time
├── Nate → periplus, argos, neo4j_cypher, time
├── David → orpheus, argos, neo4j_cypher, research, time
├── Research → argos, neo4j_cypher
├── Tech Research → context7, github, argos
└── Mikael → argos, time (news briefings; reads `news:` config)
```
## Project Structure
```
.
├── agents.yaml # Deployment topology — agents, ports, host, namespace
├── fastagent.config.yaml # LLM provider, MCP servers, model capabilities (committed)
├── fastagent.secrets.yaml # API keys and tokens (gitignored — never commit)
├── agents/ # Agent definitions (FastAgent @fast.agent decorators)
│ ├── shawn.py
│ ├── watson.py
│ ├── cristiano.py
│ ├── nate.py
│ ├── david.py
│ ├── research.py
│ └── tech_research.py
├── systemd/
│ └── iolaus.service
├── pyproject.toml
└── .env.example
```
## Agents
| Agent | Port | MCP URL | Purpose |
|-------|------|---------|---------|
| Shawn | 24001 | `http://puck.incus:24001/mcp` | Personal general assistant — calendar, contacts, email, and daily life |
| Watson | 24005 | `http://puck.incus:24005/mcp` | Relationship memory & emotional safety — reflection, values, habits, emotional experiences, dialogue notes |
| Cristiano | 24006 | `http://puck.incus:24006/mcp` | Football analyst — live data, match tracking, tactics |
| Nate | 24007 | `http://puck.incus:24007/mcp` | Travel and adventure companion — trip planning, navigation |
| David | 24008 | `http://puck.incus:24008/mcp` | Arts & culture — music, film, art, fashion, and Kawai piano |
| Infrastructure | 24050 | `http://puck.incus:24050/mcp` | Shell, git, and Grafana router |
| Research | 24051 | `http://puck.incus:24051/mcp` | Web search + knowledge graph chain |
| Tech Research | 24052 | `http://puck.incus:24052/mcp` | Technical investigation — library docs, code examples, API comparisons |
| Mikael | 24053 | `http://puck.incus:24053/mcp` | News briefings — topic-driven, source-verified, image-rich |
| Registry | 24000 | `http://puck.incus:24000/.well-known/mcp/server.json` | Agent discovery |
## Configuration
### `agents.yaml` — Deployment Topology
Single source of truth for agent names, ports, dependencies, host, and namespace.
Read by Pallas at startup.
```yaml
name: iolaus
version: "1.0.0"
host: puck.incus
namespace: ca.helu.iolaus
registry_port: 24000
agents:
shawn:
module: agents.shawn
port: 24001
title: Shawn
description: "Personal general assistant — calendar, contacts, email, and daily life management"
depends_on: [research]
# ...
```
To deploy a different agent group, swap `agents.yaml` — no code changes needed.
Override the config path with `PALLAS_AGENTS_CONFIG` env var.
### `fastagent.config.yaml` — LLM + Model Capabilities
Committed to the repo. Contains LLM provider settings and explicit model capability
declarations.
```yaml
default_model: openai.Qwen3.5-35B-A3B-UD-Q4_K_XL.gguf
model_capabilities:
vision: false
context_window: 40960
max_output_tokens: 8192
```
The `model_capabilities` section declares capabilities explicitly rather than
inferring from the model name. Exposed in the registry for Daedalus to use when
routing requests.
### `news:` — Mikael News Agent Configuration
Top-level block in `fastagent.config.yaml`, consumed by `agents/mikael.py` at
startup. Edits take effect on restart — no code changes needed to tweak
topics or sources.
```yaml
news:
topics:
- Canadian federal politics
- Generative AI and LLM research
# ... add/remove freely
preferred_sources: # seeded into queries, not exclusive
- reuters.com
- apnews.com
- cbc.ca
avoided_sources: # excluded via -site: AND post-filtered by host
- foxnews.com
- breitbart.com
- dailymail.co.uk
default_lookback_hours: 24
max_items_per_topic: 5
```
Mikael excludes `avoided_sources` from search results with `-site:` operators
*and* post-filters by hostname as a second line of defence. It will never
summarize or cite content from an avoided source, even if another outlet
syndicates the claim.
### `fastagent.secrets.yaml` — API Keys and Tokens
Gitignored — never commit. Place in the repo root alongside `fastagent.config.yaml`.
```yaml
openai:
api_key: "your-key-here"
mcp:
servers:
angelia:
headers:
Authorization: "Bearer your-token"
kairos:
headers:
Authorization: "Bearer your-token"
periplus:
headers:
Authorization: "Bearer your-token"
nike:
headers:
Authorization: "Bearer your-token"
# ...
```
## Quickstart
```bash
# 1. Install dependencies (Python 3.13 required)
source ~/env/iolaus/bin/activate
pip install -e .
# 2. Configure secrets
cp fastagent.secrets.yaml.example fastagent.secrets.yaml
# Edit: set api_key and service tokens
# 3. Start all agents
iolaus
# 4. Verify
curl http://localhost:24001/mcp
# 5. Start a single agent
iolaus --agent shawn
```
## Daedalus Integration
Daedalus connects to agents via the MCP Python SDK's `streamable_http_client`.
Registry endpoint: `http://puck.incus:24000/.well-known/mcp/server.json`
The registry includes model capabilities on each agent entry:
```json
{
"capabilities": {
"model": "Qwen3.5-35B-A3B-UD-Q4_K_XL.gguf",
"vision": false,
"context_window": 40960,
"max_output_tokens": 8192
}
}
```
## Deployment (systemd)
```bash
# 1. Copy project to /srv/iolaus
sudo cp -r . /srv/iolaus
sudo chown -R iolaus:iolaus /srv/iolaus
# 2. Install into venv
cd /srv/iolaus
source ~/env/iolaus/bin/activate
pip install -e .
# 3. Configure secrets
cp fastagent.secrets.yaml.example fastagent.secrets.yaml
# Fill in API keys and tokens
# 4. Install and start systemd service
sudo cp systemd/iolaus.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable --now iolaus
sudo systemctl status iolaus
```
## Downstream MCP Servers
| Server | Host | URL |
|--------|------|-----|
| argos | miranda.incus | `http://miranda.incus:25534/mcp` |
| neo4j_cypher | circe.helu.ca | `http://circe.helu.ca:22034/mcp` |
| kernos | caliban.incus | `http://caliban.incus:22021/mcp` |
| rommie | caliban.incus | `http://caliban.incus:22031/mcp` |
| gitea | miranda.incus | `http://miranda.incus:25535/mcp` |
| grafana | miranda.incus | `http://miranda.incus:25533/mcp` |
| korax | korax.helu.ca | `http://korax.helu.ca:22021/mcp` |
| orpheus | orpheus.helu.ca | `https://orpheus.helu.ca/mcp` |
| angelia | ouranos.helu.ca | `https://ouranos.helu.ca/mcp/` |
| kairos | ouranos.helu.ca | `https://kairos.ouranos.helu.ca/mcp/` |
| periplus | ouranos.helu.ca | `https://periplus.ouranos.helu.ca/mcp/` |
| nike | ouranos.helu.ca | `https://nike.ouranos.helu.ca/mcp/` |
| github | local (Docker stdio) | `ghcr.io/github/github-mcp-server` |
| context7 | local (stdio) | `npx -y @upstash/context7-mcp` |
| time | local (stdio) | `mcp-server-time` |
## Notes
- **Python 3.13** required (`fast-agent-mcp` pins `>=3.13`)
- **Runtime:** [Pallas](https://git.helu.ca/r/pallas) — `pallas-mcp @ git+ssh://git@git.helu.ca:22022/r/pallas.git`
- **Transport:** StreamableHTTP (`/mcp`) throughout — not SSE
- **LLM:** OpenAI-compatible API at `http://nyx.helu.ca:22079/v1` (personal Qwen model)
- **Logging:** Console output — stdout → syslog → Alloy → Loki in production
- **Port scheme:** registry at 24000, personal agents 2400124049, sub-agents 2405024099