GrowthBook MCP Server for Pydantic AIGive Pydantic AI instant access to 15 tools to Create Environment, Create Feature, Create Project, and more
Pydantic AI brings type-safe agent development to Python with first-class MCP support. Connect GrowthBook through Vinkius and every tool is automatically validated against Pydantic schemas. catch errors at build time, not in production.
Ask AI about this MCP Server for Pydantic AI
The GrowthBook MCP Server for Pydantic AI is a standout in the Developer Tools category — giving your AI agent 15 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
import asyncio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerHTTP
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
server = MCPServerHTTP(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
agent = Agent(
model="openai:gpt-4o",
mcp_servers=[server],
system_prompt=(
"You are an assistant with access to GrowthBook "
"(15 tools)."
),
)
result = await agent.run(
"What tools are available in GrowthBook?"
)
print(result.data)
asyncio.run(main())
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About GrowthBook MCP Server
Connect your GrowthBook account to any AI agent to streamline your experimentation and feature management workflows through natural language.
Pydantic AI validates every GrowthBook tool response against typed schemas, catching data inconsistencies at build time. Connect 15 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.
What you can do
- Feature Management — List, create, and toggle feature flags across production and staging environments to control rollouts.
- Project Control — Organize your experimentation roadmap by managing projects, their descriptions, and specific settings.
- Environment Visibility — Audit and list all configured environments to ensure flags are deployed correctly across your stack.
- Full Lifecycle — Create, update, or delete projects and environments as your infrastructure and team needs evolve.
- Deep Inspection — Retrieve detailed metadata for specific features and projects to understand their current configuration and state.
The GrowthBook MCP Server exposes 15 tools through the Vinkius. Connect it to Pydantic AI in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 15 GrowthBook tools available for Pydantic AI
When Pydantic AI connects to GrowthBook through Vinkius, your AI agent gets direct access to every tool listed below — spanning feature-flags, a-b-testing, experimentation, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
Create environment on GrowthBook
Create a new GrowthBook environment
Create feature on GrowthBook
Create a new GrowthBook feature flag (v2)
Create project on GrowthBook
Create a new GrowthBook project
Delete environment on GrowthBook
Delete a GrowthBook environment
Delete feature on GrowthBook
Delete a GrowthBook feature flag (v2)
Delete project on GrowthBook
Delete a GrowthBook project
Get feature on GrowthBook
Get a single GrowthBook feature flag (v2)
Get project on GrowthBook
Get a single GrowthBook project by ID
List environments on GrowthBook
g., production, staging) used for per-environment feature flag control. List all GrowthBook environments
List features on GrowthBook
List all GrowthBook feature flags (v2)
List projects on GrowthBook
List all GrowthBook projects
Toggle feature on GrowthBook
Toggle a GrowthBook feature flag on or off
Update environment on GrowthBook
Update an existing GrowthBook environment
Update feature on GrowthBook
Partially update a GrowthBook feature flag (v2)
Update project on GrowthBook
Edit an existing GrowthBook project
Connect GrowthBook to Pydantic AI via MCP
Follow these steps to wire GrowthBook into Pydantic AI. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install Pydantic AI
pip install pydantic-aiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.py and run: python agent.pyExplore tools
Why Use Pydantic AI with the GrowthBook MCP Server
Pydantic AI provides unique advantages when paired with GrowthBook through the Model Context Protocol.
Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application
Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your GrowthBook integration code
Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors
Dependency injection system cleanly separates your GrowthBook connection logic from agent behavior for testable, maintainable code
GrowthBook + Pydantic AI Use Cases
Practical scenarios where Pydantic AI combined with the GrowthBook MCP Server delivers measurable value.
Type-safe data pipelines: query GrowthBook with guaranteed response schemas, feeding validated data into downstream processing
API orchestration: chain multiple GrowthBook tool calls with Pydantic validation at each step to ensure data integrity end-to-end
Production monitoring: build validated alert agents that query GrowthBook and output structured, schema-compliant notifications
Testing and QA: use Pydantic AI's dependency injection to mock GrowthBook responses and write comprehensive agent tests
Example Prompts for GrowthBook in Pydantic AI
Ready-to-use prompts you can give your Pydantic AI agent to start working with GrowthBook immediately.
"List all feature flags for the project 'frontend-v2'."
"Enable the 'dark-mode-beta' feature flag in production."
"Get the details and settings for project ID 'proj_123'."
Troubleshooting GrowthBook MCP Server with Pydantic AI
Common issues when connecting GrowthBook to Pydantic AI through Vinkius, and how to resolve them.
MCPServerHTTP not found
pip install --upgrade pydantic-aiGrowthBook + Pydantic AI FAQ
Common questions about integrating GrowthBook MCP Server with Pydantic AI.
How does Pydantic AI discover MCP tools?
MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.Does Pydantic AI validate MCP tool responses?
Can I switch LLM providers without changing MCP code?
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