# get_blocks

Get per-block Bitcoin analytics — fee distribution, SegWit adoption, UTXO changes. Max 144 blocks. $0.01

Agent View of the PolicyLayer registry record for `get_blocks`. HTML page: https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-blocks

## Facts

- Tool: `get_blocks`
- Server: Crypto Intelligence (`https://api.carbon-cashmere.de/mcp/sse`) — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence.md
- Homepage: https://github.com/Nedeljko87/Carbon-Cashmere
- Risk category: Read (Low risk)
- Registry record: grade D, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 1
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `blocks` | integer | no | Number of recent blocks to analyze (1-144) |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_blocks",
    "arguments": {}
  }
}
```

## Why get_blocks is rated Low

This is a straightforward read operation that retrieves publicly available blockchain analytics data with no side effects. The 144-block limit and micropayment structure pose minimal risk even if an agent calls it repeatedly. No reversible or irreversible modifications, code execution, or financial transfers are triggered by this tool.

From the tool's own definition: "Tool name 'get_blocks' and description 'Get per-block Bitcoin analytics' indicate data retrieval only. No modification, deletion, execution, or financial transaction occurs — the tool queries and returns historical blockchain metrics (fee distribution, SegWit…"

## Use case

AI agents call get_blocks 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.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Crypto Intelligence:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_blocks": {}
  }
}
```

## Other tools on Crypto Intelligence (103)

- `run_backtest` — Execute — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/run-backtest.md
- `run_strategy_test` — Execute — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/run-strategy-test.md
- `ask_assistant` — Financial — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/ask-assistant.md
- `get_decisions` — Financial — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-decisions.md
- `get_analytics_bundle` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-analytics-bundle.md
- `get_anomalies` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-anomalies.md
- `get_anomaly_coin` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-anomaly-coin.md
- `get_anomaly_history` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-anomaly-history.md
- `get_beta_to_btc` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-beta-to-btc.md
- `get_bittensor` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-bittensor.md
- `get_bittensor_epoch` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-bittensor-epoch.md
- `get_bittensor_tao` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-bittensor-tao.md
- `get_bittensor_validators` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-bittensor-validators.md
- `get_btc_fee_market` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-btc-fee-market.md
- `get_btc_onchain` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-btc-onchain.md
- `get_btc_rbf_pulse` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-btc-rbf-pulse.md
- `get_btc_ultimate` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-btc-ultimate.md
- `get_btc_whales` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-btc-whales.md
- `get_chain_activity` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-chain-activity.md
- `get_chart_vision` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-chart-vision.md
- `get_coin_days` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-coin-days.md
- `get_coin_research` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-coin-research.md
- `get_cointegration` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-cointegration.md
- `get_consensus` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-consensus.md
- `get_conviction` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-conviction.md
- `get_correlations` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-correlations.md
- `get_crypto_news` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-crypto-news.md
- `get_daily_report` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-daily-report.md
- `get_decision_pack` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-decision-pack.md
- `get_defi_yields` — Read — https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence/get-defi-yields.md
- …and 73 more: https://policylayer.com/tools/de-carbon-cashmere-api-crypto-intelligence.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=de-carbon-cashmere-api-crypto-intelligence · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/de-carbon-cashmere-api-crypto-intelligence