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Causal guardrail: pass/caution/hold verdict on a causal claim before an agent acts.
Syl Guardian is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 78/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding Syl Guardian to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add io.sylai/guardian https://guardian.sylai.io/mcpReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-10-22T22:38:19.78792Z",
"publishedAt": "2026-10-22T22:38:19.78792Z",
"statusChangedAt": "2026-10-22T22:38:19.78792Z"
}
},
"server": {
"name": "io.sylai/guardian",
"title": "Syl Guardian",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://guardian.sylai.io/mcp",
"type": "streamable-http",
"headers": [
{
"name": "X-API-Key",
"isSecret": true,
"isRequired": true,
"description": "Your Syl Guardian API key (get a trial key at https://sylai.io/guardian)."
}
]
}
],
"version": "0.3.0",
"repository": {
"url": "https://github.com/connor274/syl-guardian-mcp",
"source": "github"
},
"websiteUrl": "https://sylai.io/guardian",
"description": "Causal guardrail: pass/caution/hold verdict on a causal claim before an agent acts."
}
}