arrca-graph
Active·★ 13·Apache-2.0·Updated 2026-06-24
This project provides a live Kubernetes service dependency graph, or service map, built from OpenTelemetry traces and the Kubernetes API. It allows users and LLMs to query service relationships, understand cluster structure, and analyze dependencies for tasks like safe deprecation and blast radius assessment.
#Kubernetes Observability#Service Dependency Mapping#OpenTelemetry Tracing#Distributed Systems#Real-time Graph Analysis#LLM Integration#Microservices Monitoring#API Topology
01
Features
01Dynamically builds a relationship graph (service map) from Kubernetes API and OpenTelemetry trace spans.
02Functions without requiring service mesh sidecars or direct kernel access.
03Stores a lightweight, distilled relationship graph optimized for querying by scripts and LLMs, unlike raw trace storage.
04Provides query capabilities via REST API and a Multimodal Conversational Platform (MCP) server for LLM interaction.
02
Compatibility
Go
Runtime
Verified via docs
Kubernetes
Platform
Verified via docs
OpenTelemetry
Data Source
Verified via docs
Redis
Database/Cache
Verified via docs
NATS
Message Bus
Verified via docs
LLM / MCP Client
Client Integration
Verified via docs
03
Quick start
1
$ REGISTRY=<your-registry> ./deploy.sh
04
Use cases
↳Safely deprecating services by identifying all callers of specific API versions.
↳Assessing the blast radius of changes by determining upstream dependencies of a deployment.
↳Identifying unused APIs or dead code by finding exposed endpoints with no callers.
↳Understanding data-store reach by pinpointing services that interact with a specific database.
↳Analyzing cross-zone traffic patterns for services.
05
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