flux-topology
An MCP server that builds a dependency and topology graph of a Kubernetes/FluxCD GitOps repository by static analysis, so AI agents can reason about service relationships without cluster access.
Install
pip install flux-topology
Configure MCP
Add to your opencode.json:
{
"mcp": {
"flux-topology": {
"type": "local",
"command": ["flux-topology", "mcp"],
"enabled": true
}
}
}
The server reads from flux/ in the working directory. Run opencode from your
GitOps repo root.
Tools
| Tool | Description |
|---|---|
fluxtop_map |
Top-level view: domains, hub apps by edge count, warnings |
fluxtop_trace |
BFS blast radius from any app with typed edges |
fluxtop_find_refs |
Regex search for references across all apps |
fluxtop_app_card |
Full card for one app: workloads, services, edges |
fluxtop_check_freshness |
Check if the topology cache is up to date |
CLI
# Build the topology cache (.fluxtop/)
flux-topology build
# Run the MCP server (for AI agents)
flux-topology mcp
How it works
- Discovers apps by walking
flux/and finding ownership signals (HelmReleases, Kustomizations, Deployments, Services) - Extracts workloads, services, ingress hosts, and refs per app
- Resolves edges between apps from cross-references
- Caches everything in
.fluxtop/— rebuilt only when source files change
No cluster access required. Pure static analysis of YAML files.
Development
git clone https://github.com/daveri/flux-topology-mcp.git
cd flux-topology-mcp
pip install -e ".[dev]"
pytest
License
MIT
1 maintainer
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