Tools

AI Agent Tools Directory — Tracing, Evaluation & Frameworks

Searchable directory of AI agent tools — frameworks, memory, RAG, MCP servers, evaluation, and tracing. Start from a category hub for selection guidance, or browse A–Z.

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High-traffic selection hubs for agent tracing and evaluation tooling.

Agent Evaluation

Best AI Agent Evaluation Platforms in 2026

Compare agent evaluation platforms and software for tool-use regressions, trace-linked evals, cost, and latency before agents reach users.

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Agent Tracing

7 Best Agent Tracing Tools (LangSmith, Langfuse, Phoenix)

Compare agent tracing tools for inspectable runs: prompts, tool calls, retrieved context, errors, retries, cost, and latency.

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12 tools tagged with Agent Tracing

AllAgent MemoryAgentic RAGMCP ServersAgent FrameworksAgent EvaluationAgent Tracing
ToolCategoriesType
Arize PhoenixOpen-source LLM and agent tracing with built-in evaluation.Categories
Agent TracingAgent Evaluation
TypeOpen source
BraintrustEvaluation-first platform for logging, scoring, and comparing agent runs.Categories
Agent TracingAgent Evaluation
TypeManaged
GalileoEnterprise GenAI evaluation, observability, and protection platform.Categories
Agent Tracing
TypeManaged
HeliconeOpen-source AI gateway and LLM observability with proxy-based tracing.Categories
Agent Tracing
TypeOpen source
LangfuseOpen-source LLM engineering platform for tracing, evals, and prompt workflows.Categories
Agent TracingAgent Evaluation
TypeOpen source
LangGraphStateful graph orchestration for controllable agents.Categories
Agent FrameworksAgent MemoryAgent Tracing
TypeOpen source
LangSmithTracing, evaluation, and debugging for LLM applications.Categories
Agent EvaluationAgent Tracing
TypeManaged
LangWatchAgent observability with tracing, analytics, and simulation-style testing.Categories
Agent TracingAgent Evaluation
TypeOpen source
OpenAI Agents SDKA lightweight SDK for agents, tools, handoffs, and traces.Categories
Agent FrameworksAgent EvaluationAgent Tracing
TypeOpen source
Portkey AI GatewayProduction LLM gateway with routing, guardrails, MCP support, and observability.Categories
Agent EvaluationAgent Tracing
TypeOpen source
TraceloopOpenTelemetry-native observability for LLM and agent workloads.Categories
Agent Tracing
TypeOpen source
Weights & Biases WeaveOpen-source toolkit for tracing, evaluating, and iterating on LLM apps.Categories
Agent TracingAgent Evaluation
TypeOpen source