🔎 AI Observability Toolkit for OpenObserve MCP Server (Logs + Traces)
🔎 AI Observability Toolkit for OpenObserve MCP Server (Logs + Traces) An MCP server that exposes 10 specialized AI tools for deep observability over your OpenObserve logs and traces. Designed for AI agents to perform: Schema inspection Error fingerprinting Traffic anomaly detection Latency profiling Dependency bottleneck detection Precise trace forensics This server transforms OpenObserve into a structured, AI-queryable observability engine. 🧠 Overview Instead of giving an AI raw log access, this MCP server provides purpose-built forensic tools. The AI can: Inspect available fields before writing queries Detect real root causes instead of duplicate errors Identify traffic spikes Profile p99 latency per operation Detect cold starts Identify slow dependencies Map exactly which span failed inside a trace Run flexible SQL queries on demand 🛠️ Exposed MCP Tools 1️⃣ Stream Schema Inspection Purpose: Allows the AI to see available fields before constructing queries. What it does: Executes DESCRIBE default Prevents hallucinated fields Enables safe query generation 2️⃣ Unique Error Fingerprinting Purpose: Groups identical error messages to reveal true root causes. What it does: Groups by message Counts occurrences Returns top recurring failures 3️⃣ Volume Trend Analysis Purpose: Detects sudden spikes in log volume. What it does: 1-minute histogram over _timestamp Surfaces abnormal traffic bursts Useful for detecting DDoS or recursive loops 4️⃣ Log Pattern Discovery Purpose: Summarizes common log prefixes to understand normal behavior. What it does: Groups by first 20 characters of message Helps anomaly detection Builds behavioral baseline 5️⃣ P99 Latency Analysis (Traces) Purpose: Identifies the slowest 1% of operations. What it does: Uses approx_percentile_cont(duration, 0.99) Groups by operation_name Surfaces performance outliers 6️⃣ Cold-Start Identification (Traces) Purpose: Detects slow initialization spans. What it does: Filters operation_name = 'init' Identifies unusually long startup spans Useful for serverless and containerized systems 7️⃣ Dependency Hotspots (Traces) Purpose: Finds which external service causes the most delay. What it does: Groups by service_name Calculates average duration Orders by slowest dependency 8️⃣ SQL Logs Query Purpose: Flexible SQL execution for logs. What it does: Accepts full SQL query Time-bounded search Supports root cause analysis, security auditing, performance debugging 9️⃣ Span Error Mapping (Traces) Purpose: Pinpoints exactly which span failed inside a trace. What it does: Filters spans where status_code >= 400 Requires trace_id Returns span_id and operation_name 🔟 SQL Traces Query Purpose: Flexible SQL execution for trace data. What it does: Accepts full SQL query Time-bounded search Enables advanced trace-level investigations ⚙️ Architecture Notes All tools are exposed via MCP Server Trigger Connected using ai_tool bindings Queries are time-bounded using start_time and end_time Uses HTTP Basic Auth for OpenObserve Logs endpoint: /api/default/_search Traces endpoint: /api/default/_search?type=traces 🚀 Use Cases Why did my API slow down in the last hour? What are the most common errors today? Which service dependency is causing latency? Show me where this trace failed. Is there abnormal traffic right now? The AI can now answer all of these using your real telemetry. An n8n automation workflow template by Taiwo Hassan.
Taiwo Hassan
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