Scalix Cloud — Unified MCP Plugin

Official Model Context Protocol (MCP) plugin and server configuration for Scalix Cloud — the agent-native cloud platform providing PostgreSQL databases, serverless functions, AI inference, persistent Linux machines (Computers), containers (Run), object storage, auth, and billing behind a single remote MCP endpoint (https://api.scalix.world/v1/mcp).

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Supported Ecosystems (One Repo, Many Manifests)

This repository includes native manifests for all major coding agents and MCP clients:

• DeepSeek Harness (DSH) — via cordis.patch.yml and @scalix-world/mcp npm bundle
• Claude Code — via .claude-plugin/plugin.json and .claude-plugin/marketplace.json
• Google Antigravity — via root plugin.json
• Gemini CLI — via GitHub URL extension install
• Cursor / Windsurf / Codex — via .mcp.json / generic Streamable HTTP configuration

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Quick Start by Client

1. DeepSeek Harness (DSH)

# Add the Scalix plugin bundle to your DSH profile
dsh plugin --profile web add @scalix-world/mcp

# Set your API key
export SCALIX_API_KEY="scalix_at_..."

# Boot DeepSeek Harness
dsh --profile web

2. Claude Code

# Add from official marketplace
claude plugin marketplace add scalixworld/scalix-cloud-mcp
claude plugin install scalix-cloud@scalixworld

# Set your API key
export SCALIX_API_KEY="scalix_at_..."

3. Gemini CLI

gemini extensions install https://github.com/scalixworld/scalix-cloud-mcp
export SCALIX_API_KEY="scalix_at_..."

4. Cursor / Windsurf / Generic MCP (.mcp.json)

{
  "mcpServers": {
    "scalix": {
      "transport": "streamable-http",
      "url": "https://api.scalix.world/v1/mcp",
      "headers": {
        "Authorization": "Bearer ${SCALIX_API_KEY}"
      }
    }
  }
}

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What You Get

1. 50 Platform Tools Across 17 Domains

All tools are exposed under the scalix_* namespace (or mcp__scalix__* in DSH):

Domain	Key Tools
Databases	scalix_db_query, scalix_db_schema, scalix_pitr_restore
Containers (Run)	scalix_run_deploy, scalix_run_list, scalix_build_create
Computers	scalix_computer_create, scalix_computer_exec, scalix_computer_delete
Functions	scalix_fn_deploy, scalix_fn_invoke, scalix_fn_list
AI Inference	scalix_ai_infer, scalix_ai_models
Storage & KV	scalix_storage_create_bucket, scalix_storage_upload, scalix_kv_set
System	scalix_status, scalix_usage, scalix_project_list

2. Built-in Agent Skills (skills/)

• scalix-platform — Architecture overview, authentication, and SDK usage
• scalix-database — ScalixNova Postgres 16/17/18, database branching, and PITR
• scalix-functions — Node & Python serverless function deployment
• scalix-ai — Lumio model family and OpenAI-compatible inference

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Authentication

1. Generate an API Key in the Scalix Cloud Console.
2. Set SCALIX_API_KEY=scalix_at_... in your environment.
3. Tool discovery is open and unauthenticated; tool execution requires a valid Bearer token.

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License

MIT — Copyright (c) 2026 Scalix World Pvt Ltd. See LICENSE.