AI Plugin Index
3ngram Server
Verified · npm:@3ngramMCP server by B3dmar · updated · ★ 3 · 164 downloads a week
MCP server and REST API for persistent, typed AI-agent memory. 3ngram Server is published by npm:@3ngram from its verified domain in the official MCP Registry.
Last commit in the past day
Apache-2.0: permissive, fine for commercial use
Clear description, published package or server URL, original repository
Not checked yet. What we check
Install 3ngram Server
Built from the published package, never by AIclaude mcp add 3ngram-server -- npx -y @3ngram/serverRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"3ngram-server": {
"command": "npx",
"args": [
"-y",
"@3ngram/server"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"3ngram-server": {
"command": "npx",
"args": [
"-y",
"@3ngram/server"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"3ngram-server": {
"command": "npx",
"args": [
"-y",
"@3ngram/server"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add 3ngram-server -- npx -y @3ngram/server{
"mcpServers": {
"3ngram-server": {
"command": "npx",
"args": [
"-y",
"@3ngram/server"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add 3ngram-server npx -y @3ngram/serverGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the 3ngram-server block.
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3ngram Server: common questions
How do I install 3ngram Server?
In Claude Code run claude mcp add 3ngram-server -- npx -y @3ngram/server. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is 3ngram Server the official server?
3ngram Server is published by npm:@3ngram from its verified domain in the official MCP Registry.
Is 3ngram Server free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is 3ngram Server safe to use?
It scores 76 of 100. Grades: maintenance A, licence A, quality C. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to 3ngram Server?
Similar MCP servers: Codebase Memory, ha-mcp, Pi MCP, Pi MCP Adapter.
Does 3ngram Server work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.