Agent-native TypeScript framework for building MCP servers.
Connect Runs on your machine
claude mcp add mcp-ts-core -e MCP_LOG_LEVEL=<MCP_LOG_LEVEL> -- npx -y @cyanheads/[email protected]{
"mcpServers": {
"mcp-ts-core": {
"command": "npx",
"args": [
"-y",
"@cyanheads/[email protected]"
],
"env": {
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}{
"mcpServers": {
"mcp-ts-core": {
"command": "npx",
"args": [
"-y",
"@cyanheads/[email protected]"
],
"env": {
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}{
"servers": {
"mcp-ts-core": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cyanheads/[email protected]"
],
"env": {
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
MCP_LOG_LEVELOptional | Sets the minimum log level for output (e.g., 'debug', 'info', 'warn'). |
Details
| Package | @cyanheads/[email protected] (NPM, stdio) |
| Package | @cyanheads/[email protected] (NPM, streamable-http) |
| First published | 8 Nov 2026 |
| Last updated | 8 Nov 2026 |
| Registry name | io.github.cyanheads/mcp-ts-core |
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