AgentIndex icon
AgentIndex
ToolsCategoriesTrendingNewCompare
Submit Tool
ToolsCategoriesTrendingNewCompare
Home/
Compare/
opik-mcp vs fast-agent
opik-mcp logo
opik-mcp
★ 206
vs
fast-agent logo
fast-agent
★ 3.8k

opik-mcp vs fast-agent

opik-mcp: opik-mcp is a Model Context Protocol server that integrates Opik, an LLM observability platform, with AI coding assistants like Claude Code, Cursor, VS Code Copilot, and MCP Inspector. It enables reading traces, scoring, saving prompt versions, and asking Ollie investigative questions directly from chat. Requires Python 3.13+ and uses uvx for execution.; fast-agent: fast-agent is a CLI-first framework for building and interacting with sophisticated multimodal AI agents and workflows. It offers comprehensive support for various LLM providers, structured outputs, and vision, with unique features like MCP Feature support and live streaming responses to the terminal.

01

TL;DR

opik-mcp logoChoose opik-mcp if…

Query Opik projects and retrieve trace details from chat

fast-agent logoChoose fast-agent if…

Rapid development and testing of sophisticated multimodal AI agents and workflows.

02

Side-by-Side Comparison

Field
opik-mcp logoopik-mcp
fast-agent logofast-agent
Category
Observability
Dev Tooling
Stars
★ 206
★ 3.8k
License
Apache-2.0
Apache-2.0
Updated
3d ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
generative-ai, mcp-server, mcp-servers
acp, agent, agent-framework
03

Features

opik-mcp logoopik-mcp
01Supports multiple AI hosts: Claude Code, Cursor, VS Code Copilot, MCP Inspector
02Provides six tools: read, list, ask_ollie, write, schema, run_experiment
03Authenticated access to Opik workspace for read/write operations
04YOLO mode for automatic approval of Ollie's writes with audit logging
05Self-hosted Opik configuration support with environment variables
fast-agent logofast-agent
01Sophisticated multimodal Agent and Workflow creation.
02Comprehensive LLM provider support (e.g., Anthropic, OpenAI, Google, Ollama).
03Structured outputs, PDF, and Vision support.
04CLI-first with interactive terminal UI (TUI-style) and live streaming responses.
05Advanced agentic workflows like Chain, Parallel, MAKER, and Agents As Tools.
04

Use Cases

opik-mcp logoopik-mcp
↳Query Opik projects and retrieve trace details from chat
↳Score traces or add comments interactively during development
↳Investigate experiment regressions by asking Ollie analytical questions
fast-agent logofast-agent
↳Rapid development and testing of sophisticated multimodal AI agents and workflows.
↳Diagnosing and tuning agent applications, including those requiring human input.
↳Implementing advanced agentic patterns for error reduction or complex task decomposition.
05

Best For

opik-mcp logoopik-mcp
TrendingObservabilityPrompt Engineering
fast-agent logofast-agent
TrendingMulti-AgentDev Tooling
FAQ

FAQ

What is the difference between opik-mcp and fast-agent?
Both opik-mcp and fast-agent are in the Observability category. opik-mcp has 206 stars, while fast-agent has 3.8k stars.
Which is better, opik-mcp or fast-agent?
The best choice depends on your use case. Choose opik-mcp if Query Opik projects and retrieve trace details from chat, and fast-agent if Rapid development and testing of sophisticated multimodal AI agents and workflows..
Is opik-mcp free or open source?
Yes, opik-mcp is open source on GitHub (Apache-2.0).
Is fast-agent free or open source?
Yes, fast-agent is open source on GitHub (Apache-2.0).
→

Related

Alternatives to opik-mcp →Alternatives to fast-agent →opik-mcp details →fast-agent details →
© 2026 AgentIndex.app|Built by a 10-year iOS Developer.
QYSGitHubBuy me a coffee ☕

Browse by Category

Code AssistantWorkflow AutomationRAG / Knowledge BaseMulti-AgentBrowser AutomationLLM InfraDev ToolingObservability

Not affiliated with Anthropic, OpenAI or Microsoft.