255 lines
8.2 KiB
Markdown
255 lines
8.2 KiB
Markdown
# iolaus
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Personal agents for Daedalus — powered by [Pallas](https://git.helu.ca/r/pallas).
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Iolaus is a pure agent project: Python agent definitions + YAML configuration.
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The runtime (serving, registry, health checks, multimodal support) lives in Pallas.
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## Architecture
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```
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Daedalus Backend — FastAPI
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│ MCP over StreamableHTTP
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▼
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Pallas MCP Bridge (pallas.server:main)
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│ reads agents.yaml for topology
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│ reads fastagent.config.yaml for LLM + model capabilities
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│
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├── Registry → /.well-known/mcp/server.json (agent discovery)
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├── Shawn → kairos, neo4j_cypher, argos, research, time
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├── Watson → argos, neo4j_cypher, time
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├── Cristiano → nike, neo4j_cypher, time
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├── Nate → periplus, argos, neo4j_cypher, time
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├── David → orpheus, argos, neo4j_cypher, research, time
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├── Research → argos, neo4j_cypher
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├── Tech Research → context7, github, argos
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└── Mikael → argos, time (news briefings; reads `news:` config)
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```
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## Project Structure
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```
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.
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├── agents.yaml # Deployment topology — agents, ports, host, namespace
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├── fastagent.config.yaml # LLM provider, MCP servers, model capabilities (committed)
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├── fastagent.secrets.yaml # API keys and tokens (gitignored — never commit)
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├── agents/ # Agent definitions (FastAgent @fast.agent decorators)
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│ ├── shawn.py
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│ ├── watson.py
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│ ├── cristiano.py
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│ ├── nate.py
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│ ├── david.py
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│ ├── research.py
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│ └── tech_research.py
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├── systemd/
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│ └── iolaus.service
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├── pyproject.toml
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└── .env.example
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```
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## Agents
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| Agent | Port | MCP URL | Purpose |
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|-------|------|---------|---------|
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| Shawn | 24001 | `http://puck.incus:24001/mcp` | Personal general assistant — calendar, contacts, email, and daily life |
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| Watson | 24005 | `http://puck.incus:24005/mcp` | Relationship memory & emotional safety — reflection, values, habits, emotional experiences, dialogue notes |
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| Cristiano | 24006 | `http://puck.incus:24006/mcp` | Football analyst — live data, match tracking, tactics |
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| Nate | 24007 | `http://puck.incus:24007/mcp` | Travel and adventure companion — trip planning, navigation |
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| David | 24008 | `http://puck.incus:24008/mcp` | Arts & culture — music, film, art, fashion, and Kawai piano |
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| Infrastructure | 24050 | `http://puck.incus:24050/mcp` | Shell, git, and Grafana router |
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| Research | 24051 | `http://puck.incus:24051/mcp` | Web search + knowledge graph chain |
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| Tech Research | 24052 | `http://puck.incus:24052/mcp` | Technical investigation — library docs, code examples, API comparisons |
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| Mikael | 24053 | `http://puck.incus:24053/mcp` | News briefings — topic-driven, source-verified, image-rich |
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| Registry | 24000 | `http://puck.incus:24000/.well-known/mcp/server.json` | Agent discovery |
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## Configuration
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### `agents.yaml` — Deployment Topology
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Single source of truth for agent names, ports, dependencies, host, and namespace.
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Read by Pallas at startup.
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```yaml
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name: iolaus
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version: "1.0.0"
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host: puck.incus
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namespace: ca.helu.iolaus
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registry_port: 24000
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agents:
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shawn:
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module: agents.shawn
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port: 24001
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title: Shawn
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description: "Personal general assistant — calendar, contacts, email, and daily life management"
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depends_on: [research]
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# ...
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```
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To deploy a different agent group, swap `agents.yaml` — no code changes needed.
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Override the config path with `PALLAS_AGENTS_CONFIG` env var.
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### `fastagent.config.yaml` — LLM + Model Capabilities
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Committed to the repo. Contains LLM provider settings and explicit model capability
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declarations.
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```yaml
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default_model: openai.Qwen3.5-35B-A3B-UD-Q4_K_XL.gguf
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model_capabilities:
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vision: false
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context_window: 40960
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max_output_tokens: 8192
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```
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The `model_capabilities` section declares capabilities explicitly rather than
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inferring from the model name. Exposed in the registry for Daedalus to use when
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routing requests.
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### `news:` — Mikael News Agent Configuration
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Top-level block in `fastagent.config.yaml`, consumed by `agents/mikael.py` at
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startup. Edits take effect on restart — no code changes needed to tweak
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topics or sources.
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```yaml
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news:
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topics:
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- Canadian federal politics
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- Generative AI and LLM research
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# ... add/remove freely
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preferred_sources: # seeded into queries, not exclusive
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- reuters.com
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- apnews.com
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- cbc.ca
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avoided_sources: # excluded via -site: AND post-filtered by host
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- foxnews.com
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- breitbart.com
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- dailymail.co.uk
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default_lookback_hours: 24
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max_items_per_topic: 5
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```
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Mikael excludes `avoided_sources` from search results with `-site:` operators
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*and* post-filters by hostname as a second line of defence. It will never
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summarize or cite content from an avoided source, even if another outlet
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syndicates the claim.
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### `fastagent.secrets.yaml` — API Keys and Tokens
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Gitignored — never commit. Place in the repo root alongside `fastagent.config.yaml`.
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```yaml
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openai:
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api_key: "your-key-here"
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mcp:
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servers:
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angelia:
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headers:
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Authorization: "Bearer your-token"
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kairos:
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headers:
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Authorization: "Bearer your-token"
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periplus:
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headers:
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Authorization: "Bearer your-token"
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nike:
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headers:
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Authorization: "Bearer your-token"
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# ...
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```
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## Quickstart
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```bash
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# 1. Install dependencies (Python 3.13 required)
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source ~/env/iolaus/bin/activate
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pip install -e .
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# 2. Configure secrets
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cp fastagent.secrets.yaml.example fastagent.secrets.yaml
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# Edit: set api_key and service tokens
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# 3. Start all agents
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iolaus
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# 4. Verify
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curl http://localhost:24001/mcp
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# 5. Start a single agent
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iolaus --agent shawn
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```
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## Daedalus Integration
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Daedalus connects to agents via the MCP Python SDK's `streamable_http_client`.
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Registry endpoint: `http://puck.incus:24000/.well-known/mcp/server.json`
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The registry includes model capabilities on each agent entry:
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```json
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{
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"capabilities": {
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"model": "Qwen3.5-35B-A3B-UD-Q4_K_XL.gguf",
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"vision": false,
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"context_window": 40960,
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"max_output_tokens": 8192
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}
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}
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```
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## Deployment (systemd)
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```bash
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# 1. Copy project to /srv/iolaus
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sudo cp -r . /srv/iolaus
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sudo chown -R iolaus:iolaus /srv/iolaus
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# 2. Install into venv
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cd /srv/iolaus
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source ~/env/iolaus/bin/activate
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pip install -e .
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# 3. Configure secrets
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cp fastagent.secrets.yaml.example fastagent.secrets.yaml
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# Fill in API keys and tokens
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# 4. Install and start systemd service
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sudo cp systemd/iolaus.service /etc/systemd/system/
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sudo systemctl daemon-reload
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sudo systemctl enable --now iolaus
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sudo systemctl status iolaus
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```
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## Downstream MCP Servers
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| Server | Host | URL |
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|--------|------|-----|
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| argos | miranda.incus | `http://miranda.incus:25534/mcp` |
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| neo4j_cypher | circe.helu.ca | `http://circe.helu.ca:22034/mcp` |
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| kernos | caliban.incus | `http://caliban.incus:22021/mcp` |
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| rommie | caliban.incus | `http://caliban.incus:22031/mcp` |
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| gitea | miranda.incus | `http://miranda.incus:25535/mcp` |
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| grafana | miranda.incus | `http://miranda.incus:25533/mcp` |
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| korax | korax.helu.ca | `http://korax.helu.ca:22021/mcp` |
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| orpheus | orpheus.helu.ca | `https://orpheus.helu.ca/mcp` |
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| angelia | ouranos.helu.ca | `https://ouranos.helu.ca/mcp/` |
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| kairos | ouranos.helu.ca | `https://kairos.ouranos.helu.ca/mcp/` |
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| periplus | ouranos.helu.ca | `https://periplus.ouranos.helu.ca/mcp/` |
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| nike | ouranos.helu.ca | `https://nike.ouranos.helu.ca/mcp/` |
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| github | local (Docker stdio) | `ghcr.io/github/github-mcp-server` |
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| context7 | local (stdio) | `npx -y @upstash/context7-mcp` |
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| time | local (stdio) | `mcp-server-time` |
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## Notes
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- **Python 3.13** required (`fast-agent-mcp` pins `>=3.13`)
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- **Runtime:** [Pallas](https://git.helu.ca/r/pallas) — `pallas-mcp @ git+ssh://git@git.helu.ca:22022/r/pallas.git`
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- **Transport:** StreamableHTTP (`/mcp`) throughout — not SSE
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- **LLM:** OpenAI-compatible API at `http://nyx.helu.ca:22079/v1` (personal Qwen model)
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- **Logging:** Console output — stdout → syslog → Alloy → Loki in production
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- **Port scheme:** registry at 24000, personal agents 24001–24049, sub-agents 24050–24099
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