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Cache-aware context engine for AI agents: server-side payload filtering, honest context ledger.
About
Cache-aware context engine for AI agents: server-side payload filtering, honest context ledger.
Security Report
OSIRIS is a local-first Python MCP context engine whose visible code shows no exfiltration, hardcoded secrets, or shell injection; its permissions (local SQLite store under ~/.osiris, sandboxed file reads via fileops, stdio transport) match its stated purpose. The main caveats are that the server file-reads paths on the agent's behalf and that much of the codebase (core modules, fileops sandbox, redact) was truncated and could not be fully verified, so the score reflects only the visible portion. Supply chain analysis found 11 known vulnerabilities in dependencies (1 critical, 8 high severity). Package verification found 1 issue.
5 files analyzed · 16 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: OSIRIS_HOME
Environment variable: OSIRIS_ROOTS
Environment variable: OSIRIS_CACHE_TTL_S
Environment variable: OSIRIS_PRUNE_THRESHOLD_TOKENS
Environment variable: OSIRIS_DISPATCH_ONLY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-mlkblk-it-osiris": {
"env": {
"OSIRIS_HOME": "your-osiris-home-here",
"OSIRIS_ROOTS": "your-osiris-roots-here",
"OSIRIS_CACHE_TTL_S": "your-osiris-cache-ttl-s-here",
"OSIRIS_DISPATCH_ONLY": "your-osiris-dispatch-only-here",
"OSIRIS_PRUNE_THRESHOLD_TOKENS": "your-osiris-prune-threshold-tokens-here"
},
"args": [
"-y",
"osiris-mcp"
],
"command": "npx"
}
}
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