space.skywatch
Synthesis — what is notable in YOUR sky right now (lat/lon): the live almanac (sun, moon phase, planets above your horizon), near-Earth asteroid close approaches this week, and the ISS (position + whether it is above your horizon now). One call, three sources, per-section found/error.
This record as markdown: /tools/io-github-2s-io-mcp/space.skywatch.md
What space.skywatch does on Mcp
AI agents call space.skywatch to retrieve information from Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why space.skywatch is rated Low
This tool retrieves and synthesizes publicly available astronomical and space observation data based on geographic coordinates. It performs no writes, deletions, code execution, or financial operations. The three data sources mentioned (almanac data, asteroid tracking, ISS position) are all read-only queries.
From the tool's definition Tool description explicitly states it provides 'live almanac (sun, moon phase, planets above your horizon), near-Earth asteroid close approaches this week, and the ISS (position + whether it is above your horizon now)' — all retrieval operations with no…
Attacks that exploit this kind of access
The rule that runs space.skywatch safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For space.skywatch, this is the rule to start with:
space.skywatch is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mcp, apply this rule, and every space.skywatch call is checked against it from then on.
Questions about space.skywatch
Synthesis — what is notable in YOUR sky right now (lat/lon): the live almanac (sun, moon phase, planets above your horizon), near-Earth asteroid close approaches this week, and the ISS (position + whether it is above your horizon now). One call, three sources, per-section found/error. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.
Register the MCP server in PolicyLayer and add a rule for space.skywatch: 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. Nothing to install.
space.skywatch is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the space.skywatch 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 space.skywatch. 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.
space.skywatch is provided by the MCP server (@2sio/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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