coingecko_chains
CoinGecko chains. Returns normalized chain rows from the CoinGecko public website chains table. This endpoint supports the documented vs_currency enum.
This record as markdown: /tools/crawlora-mcp/coingecko-chains.md
What coingecko_chains does on Crawlora
AI agents call coingecko_chains to retrieve information from Crawlora 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 |
|---|---|---|---|
limit | integer | — | Rows to return, default 100, max 100 |
vs_currency | string | — | Quote currency |
Parameters from the server's own tool schema.
Why coingecko_chains is rated Low
This tool retrieves cryptocurrency chain information from a public data source. It performs a read-only query operation with no side effects, data modification, or execution capabilities. The severity is low because it accesses publicly available financial data without ability to execute transactions, modify data, or cause harm beyond information disclosure.
From the tool's definition Tool description states it 'Returns normalized chain rows' from CoinGecko's public website chains table, indicating data retrieval only.
Attacks that exploit this kind of access
The rule that runs coingecko_chains safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crawlora, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For coingecko_chains, this is the rule to start with:
coingecko_chains 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 Crawlora, apply this rule, and every coingecko_chains call is checked against it from then on.
Questions about coingecko_chains
CoinGecko chains. Returns normalized chain rows from the CoinGecko public website chains table. This endpoint supports the documented vs_currency enum. It is categorised as a Read tool in the Crawlora MCP Server, which means it retrieves data without modifying state.
coingecko_chains accepts 2 parameters: limit, vs_currency. The full parameter table on this page comes from the server's own tool schema.
Register the Crawlora MCP server in PolicyLayer and add a rule for coingecko_chains: 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 Crawlora. Nothing to install.
coingecko_chains 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 coingecko_chains 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 coingecko_chains. 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.
coingecko_chains is provided by the Crawlora MCP server (crawlora-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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