nasa-cmr.providers.list
List all data centers and archive providers registered in the NASA CMR system. Returns provider IDs (e.g. GES_DISC, ORNL_DAAC, LPDAAC_ECS, PODAAC, NSIDC_ECS, LAADS, ASDC, GHRC_DAAC), organization names, URLs, roles, and consortium memberships. Use provider IDs as the "provider" parameter in nasa-...
This record as markdown: /tools/io-github-whiteknightonhorse-apibase/nasa-cmr.providers.list.md
What nasa-cmr.providers.list does on Apibase
AI agents call nasa-cmr.providers.list to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
page_size | integer | — | Number of providers to return (1–100, default 50). There are approximately 60 active NASA CMR data centers. |
Parameters from the server's own tool schema.
Why nasa-cmr.providers.list is rated Low
Tool queries and retrieves public provider metadata without modifying or executing operations.
From the tool's definition List all data centers and archive providers; Returns provider IDs, organization names, URLs, roles
Attacks that exploit this kind of access
The rule that runs nasa-cmr.providers.list safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Apibase, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For nasa-cmr.providers.list, this is the rule to start with:
nasa-cmr.providers.list 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 Apibase, apply this rule, and every nasa-cmr.providers.list call is checked against it from then on.
Questions about nasa-cmr.providers.list
List all data centers and archive providers registered in the NASA CMR system. Returns provider IDs (e.g. GES_DISC, ORNL_DAAC, LPDAAC_ECS, PODAAC, NSIDC_ECS, LAADS, ASDC, GHRC_DAAC), organization names, URLs, roles, and consortium memberships. Use provider IDs as the "provider" parameter in nasa-cmr.datasets.search to scope dataset discovery to a specific NASA archive center. There are approximately 60 active providers covering distinct Earth science disciplines. Source: NASA CMR — US Gov public domain, no auth required. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
nasa-cmr.providers.list accepts 1 parameter: page_size. The full parameter table on this page comes from the server's own tool schema.
Register the Apibase MCP server in PolicyLayer and add a rule for nasa-cmr.providers.list: 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 Apibase. Nothing to install.
nasa-cmr.providers.list 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 nasa-cmr.providers.list 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 nasa-cmr.providers.list. 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.
nasa-cmr.providers.list is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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