search_articles

Full-text search spaceflight news articles aggregated from dozens of sources (Spaceflight Now, NASASpaceflight, NASA, SpaceX, Blue Origin, ESA, and more). Filter by source, publish date, and featured status. Newest first. Keyless.

Server Spaceflight News MCP pipeworx-io/mcp-spaceflight-news
Category Read
Risk class Low
Parameters 50 required

What search_articles does on Spaceflight News MCP

AI agents call search_articles to retrieve information from Spaceflight News MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

ParameterTypeRequiredDescription
limit number Max articles to return (default 10, max 25).
search string Full-text query, e.g. "starship", "artemis", "mars sample return". Optional — omit to list recent articles.
news_site string Filter to a single source name, e.g. "Spaceflight Now", "NASASpaceflight". Use list_sources to discover names.
featured_only boolean If true, return only editorially featured articles.
published_after string Only articles published on/after this ISO date or datetime, e.g. "2026-01-01" or "2026-01-01T00:00:00Z".

Parameters from the server's own tool schema.

Why search_articles needs a policy

This tool retrieves and queries existing news data with no side effects. The capabilities listed (searching, filtering by source/date/featured status, ordering) are all read-only operations. No creation, modification, deletion, or execution is mentioned.

From the tool's definition Tool description explicitly states it performs "Full-text search spaceflight news articles" with filtering capabilities—purely retrieval operations with no mutation, deletion, or execution described.

Questions about search_articles

What does the search_articles tool do? +

Full-text search spaceflight news articles aggregated from dozens of sources (Spaceflight Now, NASASpaceflight, NASA, SpaceX, Blue Origin, ESA, and more). Filter by source, publish date, and featured status. Newest first. Keyless. It is categorised as a Read tool in the Spaceflight News MCP MCP Server, which means it retrieves data without modifying state.

What parameters does search_articles accept? +

search_articles accepts 5 parameters: limit, search, news_site, featured_only, published_after. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on search_articles? +

Register the Spaceflight News MCP server in PolicyLayer and add a rule for search_articles: 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 Spaceflight News MCP. Nothing to install.

What risk level is search_articles? +

search_articles is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit search_articles? +

Yes. Add a rate_limit block to the search_articles 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.

How do I block search_articles completely? +

Set action: deny in the PolicyLayer policy for search_articles. 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.

What MCP server provides search_articles? +

search_articles is provided by the Spaceflight News MCP server (pipeworx-io/mcp-spaceflight-news). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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