Arca
Arca is a private data vault where your AI stores your structured data, semantic memory and skills.
Install and compare this MCP server
Use this profile to copy client config, check auth requirements, review tools and resources, and compare related MCP servers before adding it to an AI client.
- Install
- Remote endpoint config
- Clients
- Claude, Cursor, VS Code, Codex
- Transport
- HTTP
- Auth
- Auth required by registry metadata
- Capabilities
- 0 tools, 0 resources, 0 prompts
- Related
- wortwert, Pharaoh, Comitelligence — EU Comitology Register
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Install
Connection
- Transport
- HTTP
- Endpoint
https://mcp.arca.build
Headers: Authorization
Claude Desktop
Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"build-arca-mcp-arca-mcp-server": {
"url": "https://mcp.arca.build"
}
}
}Config location
- macOS
~/Library/Application Support/Claude/claude_desktop_config.json- Windows
%APPDATA%\Claude\claude_desktop_config.json
Auth
Package transportNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
Scan with credential
Not persistedPaste an API key, bearer token, or session value from the provider. It is used once to list inventory and discarded after the request.
Supports Bearer Token or oAuth. Get API Key on arca.build
Tools & Resources
No public tools, resources, or prompts captured yet. Use Auth when this server requires credentials.
Tools
No tools captured yet.
Resources
No resources captured yet.
Prompts
No prompts captured yet.
Questions
What is Arca?+
Arca is an MCP server for Arca is a private data vault where your AI stores your structured data, semantic memory and skills.. It supports HTTP transport.
How do I install Arca?+
Use the generated config in Install. It points your client at the advertised remote endpoint shown on this page.
How do I add Arca to Claude Desktop?+
Choose the Claude Desktop tab in Install, copy the config, and add it to Claude Desktop's MCP server settings. Endpoint: https://mcp.arca.build.
How do I add Arca to Claude Code?+
Choose the Claude Code tab in Install, copy the config, and add it to Claude Code's MCP server settings. Endpoint: https://mcp.arca.build.
How do I use Arca with Codex?+
Choose the Codex tab in Install, copy the config, and add it to Codex's MCP server settings. Endpoint: https://mcp.arca.build.
How do I add Arca to Cursor or VS Code?+
Choose the Cursor or VS Code tab in Install, copy the config, and add it to Cursor or VS Code's MCP server settings. Endpoint: https://mcp.arca.build.
What endpoint and transport does Arca use?+
Arca uses HTTP transport. Endpoint: https://mcp.arca.build.
What tools and resources does Arca expose?+
Arca inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
Does Arca require authentication?+
Arca is marked with Auth required by registry metadata auth. You may need provider login, an API key, a bearer token, or a session header.
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Profile notes
- Remote header: Authorization (required; secret)
- Remote header: Authorization (required; secret)
- The upstream registry signals required auth or secrets.
Details
- Version
- 0.0.1
- Auth
- Auth required by registry metadata
- Website
- https://arca.build
- Updated
- Dec 15, 2025