LLM observability: tools for developers
Monitoring, traces, evaluation and quality tracking for LLM applications. An entry can appear under several use cases when its topics or description provide several explicit signals.
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74 entries in this view.
Tool ranking
Ranked by measured growth, normalized across sources. Raw values keep their source-specific window, shown under each tool; a change requires at least two snapshots from the last 7 days.
- 1Active
MCP server for Langfuse LLM observability — trace and observation analysis.
mcpmeasured growthOpen source ↗
Install
claude mcp add langfuse -- npx langfuse-observability-mcp-server80GitHub stars+2 (+2.6 %) - 2Active
axiom
SkillAxiom is a curated marketplace of shared plugins for Claude Code and Codex.
githubmeasured growthOpen source ↗
Install
git clone https://github.com/netopsengineer/axiom ~/.claude/skills/axiom5GitHub starsstable - 3Active
A Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, evaluation, and observability.
githubmeasured growthOpen source ↗
1 763GitHub stars+15 (+0.86 %) - 4Active
CodeFlow
Agent面向长程研发任务的 Java Agent Harness,支持 A2A 跨语言协作、可恢复执行、上下文工程与 Eval 驱动开发。
githubmeasured growthOpen source ↗
0GitHub starsstable - 5Active
skill-kit
Skilllocal-first analytics for AI agent skills
githubmeasured growthOpen source ↗
Install
git clone https://github.com/crafter-station/skill-kit ~/.claude/skills/skill-kit77GitHub stars+1 (+1.3 %) - 6Active
aura
MCPAURA is a production-tested SRE agent platform you can deploy in minutes. AURA handles the guardrails, APIs, state management, streaming, and failure handling required to put AI to work safely on production infrastructure.
githubmeasured growthOpen source ↗
339GitHub stars+81 (+31.4 %) - 7Active
skill-eval-harness
SkillAgent Skill evaluation harness for paired variants, trace artifacts, and runner adapters
githubmeasured growthOpen source ↗
Install
git clone https://github.com/adewale/skill-eval-harness ~/.claude/skills/skill-eval-harness73GitHub stars+2 (+2.8 %) - 8Active
AgentStack
AgentProvide clear documentation for AgentStack’s MCP protocol, plugins, and ecosystem API with usage examples and tool references.
githubmeasured growthOpen source ↗
0GitHub starsstable - 9Active
AgentX-Python
OtherAgentX python SDK. Build multi-agent AI workforce. Run evaluation. Trace your agent. Full Observability.
githubmeasured growthOpen source ↗
68GitHub starsstable - 10Active
Production reliability, benchmarking, and evaluation layer for MCP agent runtimes — protocol negotiation, A2A interop, circuit breakers, connection pooling, adaptive streaming, and autoscaling, with measured throughput/latency and a…
githubmeasured growthOpen source ↗
3GitHub starsstable - 11Active
claudestat
SkillReal-time execution trace and cost intelligence for Claude Code
githubmeasured growthOpen source ↗
Install
/plugin marketplace add DeibyGS/claudestat34GitHub starsstable - 12Active
seo-skill-bench
SkillOpen benchmark for Claude Code SEO skills — real headless execution against fixture sites with planted-defect answer keys. Deterministic scoring, pre-registered rubric.
githubmeasured growthOpen source ↗
Install
git clone https://github.com/aleclindz/seo-skill-bench ~/.claude/skills/seo-skill-bench51GitHub stars-5 (-8.9 %) - 13Active
nora
MCPOpen-source, self-hosted control plane for OpenClaw and Hermes AI-agent fleets on Docker/Kubernetes — REST, CLI, and MCP.
githubmeasured growthOpen source ↗
50GitHub stars+1 (+2.0 %) - 14Active
yao-meta-skill
SkillYAO = Yielding AI Outcomes. A rigorous engineering, evaluation, governance, and portability system for reusable agent skills.
githubmeasured growthOpen source ↗
Install
git clone https://github.com/yaojingang/yao-meta-skill ~/.claude/skills/yao-meta-skill2 596GitHub stars+37 (+1.4 %) - 15Active
claude-code-karma
SkillDashboard for monitoring claude code sessions.
githubmeasured growthOpen source ↗
Install
/plugin marketplace add JayantDevkar/claude-code-karma324GitHub stars+3 (+0.93 %) - 16Active
galdor
OtherA Go-native framework for LLM agents, with OpenTelemetry observability built in.
githubmeasured growthOpen source ↗
10GitHub starsstable - 17Active
agent-kernel
AgentThe Operating System for Scalable Enterprise AI Agents - Run, orchestrate, and deploy Compliant Enterprise AI Agents at scale across frameworks, without lock-in, rewrites or fragile glue code. Native support for MCP, A2A. Interface with all…
githubmeasured growthOpen source ↗
166GitHub stars+25 (+17.7 %) - 18Active
boundary-bench
AgentDeterministic crash tests for agent control planes: paired worlds, hard stops, budgets, scopes, approvals, and hash-linked receipts.
githubmeasured growthOpen source ↗
1GitHub starsstable - 19Active
dsh-plugins
AgentGeneric DeepSeek Harness (dsh) plugins: A2A protocol server, session storage mirror, and Langfuse observability.
githubmeasured growthOpen source ↗
1GitHub starsstable - 20Active
SkillEvaluator
SkillMulti-tier framework for evaluating AI agent skills with quality gates, semantic overlap detection, synthetic evaluation dataset generation, and live agent evaluation that measures how skills affect agent behavior.
githubmeasured growthOpen source ↗
Install
git clone https://github.com/NVIDIA/SkillEvaluator ~/.claude/skills/SkillEvaluator404GitHub stars+53 (+15.1 %) - 21Active
Multi-agent quality gate skill for Claude Code that researches, reviews, tests and challenges AI-generated work before the final answer.
githubmeasured growthOpen source ↗
Install
git clone https://github.com/ma-nucho-pro/supervisor-skill-claude ~/.claude/skills/supervisor-skill-claude2GitHub starsstable - 22Active
DeepSeek-Infra
OtherLocal-first Agentic AI Infrastructure Platform with LLM Gateway, Agent DAG Runtime, MCP Tool Hub, A2A Agent Mesh, Local RAG, Tool Sandbox and Observability.
githubmeasured growthOpen source ↗
1GitHub starsstable - 23Active
AI Guardian
MCPGoverned local-LLM observability: model policy, prompt scanner, capture proxy, 21 tools.
mcpmeasured growthOpen source ↗
Install
claude mcp add ai-guardian -- uvx ai-guardian-aiops0GitHub starsstable - 24Active
Amazon Bedrock AgentCore enterprise platform accelerator with AWS CDK, Terraform organization guardrails, MCP/A2A agents, security, memory, and observability.
githubmeasured growthOpen source ↗
6GitHub stars+1 (+20.0 %) - 25104GitHub starsstable