{
  "markdown": "# Sprixen MCP server\n\nSprixen is an AI game asset generator with a native [Model Context Protocol](https://modelcontextprotocol.io) server. Agents in Claude Code, Cursor, Codex, Windsurf, VS Code, Claude Desktop and Gemini CLI can create a style-locked project, generate character sprites, animate them, generate tiles, maps, music and VTT effects, and export an engine-ready package for Godot, Phaser, Unity, GameMaker or RPG Maker MZ.\n\n- Endpoint: `https://api.sprixen.com/v1/mcp` (Streamable HTTP)\n- Auth: `Authorization: Bearer spx_live_...` (create a key at https://sprixen.com/settings/api, 6 free credits at signup)\n- Setup for every client: https://sprixen.com/docs/mcp\n- Full API reference: https://sprixen.com/docs and https://sprixen.com/llms-full.txt\n- Registry entry: `com.sprixen/sprixen` in the official MCP Registry (`server.json` in this repo)\n\n## Quick start\n\nClaude Code:\n\n```bash\nclaude mcp add --transport http sprixen https://api.sprixen.com/v1/mcp \\\n  --header \"Authorization: Bearer spx_live_YOUR_KEY\"\n```\n\nCursor (`.cursor/mcp.json`):\n\n```json\n{\n  \"mcpServers\": {\n    \"sprixen\": {\n      \"url\": \"https://api.sprixen.com/v1/mcp\",\n      \"headers\": { \"Authorization\": \"Bearer spx_live_YOUR_KEY\" }\n    }\n  }\n}\n```\n\nCodex CLI (`~/.codex/config.toml`):\n\n```toml\n[mcp_servers.sprixen]\nurl = \"https://api.sprixen.com/v1/mcp\"\n\n[mcp_servers.sprixen.http_headers]\nAuthorization = \"Bearer spx_live_YOUR_KEY\"\n```\n\n## Teach your agent\n\nThe `skills/sprixen/SKILL.md` file is a Claude Code skill with the full workflow (check credits, one project per game for style lock, generate a character, generate animations one at a time and poll, export with `export_character_package`). `agents/AGENTS.md` is the same guidance for Codex and generic agents; `agents/sprixen.mdc` is a Cursor rule.\n\n```bash\nmkdir -p ~/.claude/skills/sprixen && curl -fsSL https://sprixen.com/skills/sprixen/SKILL.md -o ~/.claude/skills/sprixen/SKILL.md\n```\n\n## Tools\n\n47 tools: `get_credits`, `list_projects`, `generate_sprite`, `get_generation`, `list_sprites`, `generate_animation`, `list_sprite_animations`, `export_character_package`, `generate_tile`, `list_tile_packs`, `create_map` / `list_maps` / `export_map`, `generate_music`, 3D model and animation tools, VFX tools, AI Game Builder and Mod Builder tools, plus `list_api_operations` / `describe_api_operation` / `call_api` to reach every product endpoint (167 operations) with the same validation, ownership and credit rules as the app.\n\nCredits: sprite 2, animation 4 (premium 8), tile 1, music 3, 3D model 5, character package export free. Pro is $10/month for 200 generations.\n\n## Errors are actionable\n\nEvery error body carries a stable `code` and a `hint` with the next step, for example:\n\n```json\n{\n  \"statusCode\": 402,\n  \"code\": \"INSUFFICIENT_CREDITS\",\n  \"message\": \"Insufficient credits: this generation costs 2 and you have 0.\",\n  \"hint\": { \"action\": \"upgrade\", \"url\": \"https://sprixen.com/settings/billing\" }\n}\n```\n\n## License\n\nThe files in this repository are MIT licensed. The Sprixen service itself is governed by https://sprixen.com/terms.\n",
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