get_onchain_fg

Get proprietary On-Chain Fear & Greed Index (0-100) from own Bitcoin Core node — CDD, mempool pressure, hashrate trend, whale volume. FREE.

SERVERCrypto Intelligence SOURCEhttps://api.carbon-cashmere.de/mcp/sse

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/de-carbon-cashmere-api-crypto-intelligence/get-onchain-fg.md

WHAT IT DOES

What get_onchain_fg does on Crypto Intelligence

AI agents call get_onchain_fg to retrieve information from Crypto Intelligence without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_onchain_fg is rated Low

This tool retrieves and aggregates market intelligence metrics from an existing node. It performs data aggregation and analysis (read-only) with no side effects. The 'FREE' designation confirms no financial transaction. The blast radius of misuse is minimal—an AI agent could only obtain biased or stale market data, not cause financial harm or system compromise.

From the tool's definition Tool description states 'Get proprietary On-Chain Fear & Greed Index' — a retrieval operation that queries data (CDD, mempool pressure, hashrate trend, whale volume) from the server's own Bitcoin Core node.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_onchain_fg safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Crypto Intelligence, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_onchain_fg, this is the rule to start with:

get_onchain_fg Allowed

get_onchain_fg is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_onchain_fg": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Crypto Intelligence, apply this rule, and every get_onchain_fg call is checked against it from then on.

FAQ

Questions about get_onchain_fg

What does the get_onchain_fg tool do? +

Get proprietary On-Chain Fear & Greed Index (0-100) from own Bitcoin Core node — CDD, mempool pressure, hashrate trend, whale volume. FREE. It is categorised as a Read tool in the Crypto Intelligence MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_onchain_fg? +

Register the Crypto Intelligence MCP server in PolicyLayer and add a rule for get_onchain_fg: 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 Crypto Intelligence. Nothing to install.

What risk level is get_onchain_fg? +

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

Can I rate-limit get_onchain_fg? +

Yes. Add a rate_limit block to the get_onchain_fg 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 get_onchain_fg completely? +

Set action: deny in the PolicyLayer policy for get_onchain_fg. 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 get_onchain_fg? +

get_onchain_fg is provided by the Crypto Intelligence MCP server (https://api.carbon-cashmere.de/mcp/sse). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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