Shadowjoin MCP Server
by harsh-chandakio.github.harsh-chandak/shadowjoinv0.3.2
Measure the matches your exact join is silently dropping, and get the rule that fixes each.
context tax
pending
security
pending
cold start
pending
freshness
pending
Our reading of Shadowjoin, from the data
Shadowjoin is an MCP server from harsh-chandak, listed in the official MCP Registry.
We haven't measured its tool list yet, so its token cost is unknown.
It runs locally on your machine over stdio.
Install Shadowjoin MCP server
Install in Claude Code
claude mcp add shadowjoin -e SHADOWJOIN_CONFIG='<shadowjoin-config>' -- npx -y shadowjoinInstall in Cursor
{
"mcpServers": {
"shadowjoin": {
"command": "npx",
"args": [
"-y",
"shadowjoin"
],
"env": {
"SHADOWJOIN_CONFIG": "<shadowjoin-config>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"shadowjoin": {
"command": "npx",
"args": [
"-y",
"shadowjoin"
],
"env": {
"SHADOWJOIN_CONFIG": "<shadowjoin-config>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"shadowjoin": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"shadowjoin"
],
"env": {
"SHADOWJOIN_CONFIG": "<shadowjoin-config>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"shadowjoin": {
"command": "npx",
"args": [
"-y",
"shadowjoin"
],
"env": {
"SHADOWJOIN_CONFIG": "<shadowjoin-config>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| SHADOWJOIN_CONFIG | yes | — | Absolute path to shadowjoin.config.json, which names your data sources. Connection strings live here and never pass through a tool call. |
Freshness
Not enough public signals yet to judge maintenance.
Last commit (default branch)
2026-10-17 · 2d ago · GitHub
Latest release
2026-10-11 · 7d ago · GitHub · v0.2.0
Package published
no data · npm/PyPI
Registry entry updated
2026-10-17 · 2d ago · official registry · v0.3.2
FAQ
›How do I install the Shadowjoin MCP server in Claude Code?
Run: claude mcp add shadowjoin -e SHADOWJOIN_CONFIG='<shadowjoin-config>' -- npx -y shadowjoin. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Shadowjoin require an API key?
Yes. It expects SHADOWJOIN_CONFIG.
›Can I use Shadowjoin as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Shadowjoin in the official MCP registry?
Yes, as io.github.harsh-chandak/shadowjoin.
Sources and method
- Official MCP Registry entry
- updated 2026-10-17
- GitHub repository
- fetched 2026-10-19
- Package registry (npm / PyPI)
- listed
- Last checked against all sources
- 2026-10-19
The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.