Sparkient MCP Server

MCP (Model Context Protocol) server for the Sparkient Decision Intelligence API. Connect your AI agents directly to Sparkient for sub-100ms structured decisions — no REST client code needed.

Quick Start

Cloud Server (Recommended)

The cloud MCP server at mcp.sparkient.ai wraps the Sparkient REST API as MCP tools. You need a Sparkient API key to connect.

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "sparkient": {
      "url": "https://mcp.sparkient.ai/mcp",
      "headers": {
        "Authorization": "Bearer sk-YOUR_API_KEY"
      }
    }
  }
}

Cursor

In Cursor Settings → MCP, add:

{
  "mcpServers": {
    "sparkient": {
      "url": "https://mcp.sparkient.ai/mcp",
      "headers": {
        "Authorization": "Bearer sk-YOUR_API_KEY"
      }
    }
  }
}

VS Code

Create .vscode/mcp.json in your project:

{
  "servers": {
    "sparkient": {
      "type": "http",
      "url": "https://mcp.sparkient.ai/mcp",
      "headers": {
        "Authorization": "Bearer sk-YOUR_API_KEY"
      }
    }
  }
}

Smithery

Install via Smithery:

npx -y @smithery/cli install sparkient --client claude

Local Development

git clone https://github.com/sparkient/sparkient-mcp-server.git
cd sparkient-mcp-server
pip install -e ".[dev]"

# Set your API key and start
export SPARKIENT_API_URL=https://api.sparkient.ai
python -m sparkient_mcp

Available Tools

Tool	Description
make_decision	Make a structured decision in under 100ms
batch_decisions	Make up to 50 decisions in a single call
list_decision_types	List available decision types
get_decision_type	Get full config of a decision type
create_decision_type	Create a new decision type
add_examples	Add labelled training examples
generate_examples	Generate synthetic examples via Gemini
train_model	Trigger async model training
get_training_status	Poll training status and stage progress
get_decision_logs	Query past decision logs
get_metrics	Get org-level aggregate metrics
get_credits	Check credit balance and plan info
export_edge_bundle	Download standalone model for offline inference

Available Resources

URI	Description
sparkient://decision-types	List all decision types (for agent discovery)
sparkient://decision-types/{name}	Full schema of a specific decision type

Directory Listings

The Sparkient MCP server is listed on the following directories so agents and developers can discover it:

Directory	URL	Status
Smithery	smithery.ai/server/sparkient	✅ Listed
Glama	glama.ai	Pending (requires public GitHub repo)
PulseMCP	pulsemcp.com	Pending (submit via site)
MCP Registry	registry.modelcontextprotocol.io	Pending (requires mcp-publisher CLI)

Smithery Configuration

Smithery discovers tools by scanning the live server. The MCP server includes middleware that serves tool metadata to directory scanners that don't follow the full MCP handshake (sending tools/list without initialize).

Key implementation details:

• Stateless HTTP mode (stateless_http=True): Required for Cloud Run where requests route to different instances.
• Scanner middleware (UnknownMethodGuard): Intercepts discovery requests without a session and serves tool metadata directly from the FastMCP instance. Also returns -32601 for non-standard methods like ai.smithery/events/list.
• Auth: Smithery's gateway passes the user's API key via the Authorization header.

Adding to a New Directory

Most MCP directories discover capabilities by connecting to the server and calling tools/list. The server is designed to respond correctly to both:

1. Standard MCP clients — initialize → notifications/initialized → tools/list (returns via SSE)
2. Directory scanners — tools/list directly without initialize (returns via JSON)

Local Edge MCP Server

For sub-10ms decisions with zero network dependency, use the edge MCP server:

pip install sparkient-edge

Claude Desktop config:

{
  "mcpServers": {
    "sparkient-edge": {
      "command": "python",
      "args": ["-m", "edge"]
    }
  }
}

The edge server uses downloaded edge bundles (CEL rules + ONNX models) for local inference. Export a bundle from the Sparkient dashboard or via the export_edge_bundle MCP tool.

See sparkient-edge on PyPI for details.

Environment Variables

Variable	Default	Description
SPARKIENT_API_URL	https://api.sparkient.ai	Base URL of the Sparkient API
PORT	8080	HTTP port for the MCP server

Architecture

AI Agent (Claude/Cursor/VS Code/LangChain)
    ↓ Streamable HTTP + API Key
Sparkient MCP Server (this package)
    ↓ httpx (async HTTP)
Sparkient REST API (api.sparkient.ai)
    ↓
Decision Pipeline: CEL Rules → ONNX Classifier → Gemini Escalation

The MCP server is a stateless thin wrapper. Each request is handled independently — no session tracking. Multiple Cloud Run instances serve concurrent requests behind a single URL.