iridium-mcp-server
MCP server for AI agent security guardrails — blocks vulnerable imports at generation time.
Install
pip install iridium-mcp-server
Cursor setup
Add to your MCP config (see src/iridium_mcp/cursor_config.json):
{
"mcpServers": {
"iridium": {
"command": "iridium-mcp-server",
"env": {
"IRIDIUM_API_URL": "https://api.iridium.example.com"
}
}
}
}
No API key required for anonymous tier (rate-limited).
Tools (Phase 2)
| Tool | Purpose |
|---|---|
validate_dependency_addition |
Check if adding a package creates reachable CVE risk |
get_reachability_context |
Return entrypoint → sink path + rewrite hints for agents |
refresh_workspace_graph |
Re-index workspace after agent saves files |
Behavior
- Fail-open: API 429/5xx never blocks the agent — returns
degraded: true - Background warm-index: indexes workspace on startup before first tool call
- Parent heartbeat: exits cleanly when MCP parent process dies
- Audit log: writes to
.iridium/audit.log
Development
uv sync
uv run pytest packages/iridium-mcp-server/tests -v
1 maintainer
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