Onto MCP Server
by ravixalgorithmio.github.ravixalgorithm/ontov1.5.2
Clean Markdown and AI-readability scoring for any URL. Built for AI agents.
context tax
queued
security
queued
cold start
queued
freshness
Maintained35d ago
Install Onto MCP server
Install in Claude Code
claude mcp add ontosdk -e ONTO_API_KEY='<onto-api-key>' -- npx -y @ontosdk/mcpInstall in Cursor
{
"mcpServers": {
"ontosdk": {
"command": "npx",
"args": [
"-y",
"@ontosdk/mcp"
],
"env": {
"ONTO_API_KEY": "<onto-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"ontosdk": {
"command": "npx",
"args": [
"-y",
"@ontosdk/mcp"
],
"env": {
"ONTO_API_KEY": "<onto-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"ontosdk": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@ontosdk/mcp"
],
"env": {
"ONTO_API_KEY": "<onto-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"ontosdk": {
"command": "npx",
"args": [
"-y",
"@ontosdk/mcp"
],
"env": {
"ONTO_API_KEY": "<onto-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| ONTO_API_KEY | yes | yes | Your Onto API key (get one at https://app.buildonto.dev/read/keys — free tier includes 1,000 credits/month). |
| ONTO_API_BASE | — | — | Optional override for the Onto API base URL. Defaults to https://api.buildonto.dev. |
Remote endpoints
- streamable-http
https://api.buildonto.dev/mcp
Freshness
Maintained — last maintenance signal 35d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-04 · 35d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-04 · 35d ago · official registry · v1.5.2
FAQ
›How do I install the Onto MCP server in Claude Code?
Run: claude mcp add ontosdk -e ONTO_API_KEY='<onto-api-key>' -- npx -y @ontosdk/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Onto require an API key?
Yes. It expects ONTO_API_KEY, of which 1 is a secret.
›Can I use Onto as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is Onto in the official MCP registry?
Yes, as io.github.ravixalgorithm/onto.