Use this when setting up a project or wondering what MCP servers to add. Scans the working directory for languages, frameworks, databases, and cloud providers, lists currently configured servers, and cross-references the MCP registry to recommend servers you
Part of the Mcp Observatory server.
Free to start. No card required.
AI agents use suggest_servers to create or modify resources in Mcp Observatory. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call suggest_servers repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Mcp Observatory.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"suggest_servers": {
"limits": [
{
"counter": "suggest_servers_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Mcp Observatory policy for all 13 tools.
These attack patterns abuse exactly the kind of access suggest_servers gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Use this when setting up a project or wondering what MCP servers to add. Scans the working directory for languages, frameworks, databases, and cloud providers, lists currently configured servers, and cross-references the MCP registry to recommend servers you. It is categorised as a Write tool in the Mcp Observatory MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Observatory MCP server in PolicyLayer and add a rule for suggest_servers: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mcp Observatory. Nothing to install.
suggest_servers is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the suggest_servers rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for suggest_servers. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
suggest_servers is provided by the Mcp Observatory MCP server (@kryptosai/mcp-observatory). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 13 Mcp Observatory tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
4,600+ MCP servers and 31,000+ tools scanned and risk-classified.