get_base_block_by_hash

Return a Base block header by hash.

SERVERDelx Mcp A2a SOURCEhttps://api.delx.ai/v1/mcp

Low RISK CLASS

Category Read

Parameters 21 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-davidmosiah-delx-mcp-a2a/get-base-block-by-hash.md

WHAT IT DOES

What get_base_block_by_hash does on Delx Mcp A2a

AI agents call get_base_block_by_hash to retrieve information from Delx Mcp A2a 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
`full`	boolean	—
`block_hash`	string	Yes

Parameters from the server's own tool schema.

RISK

Why get_base_block_by_hash is rated Low

This tool queries blockchain data (a Base block header) by its hash parameter and returns it. The operation is read-only with no side effects, does not execute code, does not modify data, and does not involve financial transactions. It is a straightforward data retrieval operation typical of blockchain inspection tools.

From the tool's definition Tool name 'get_base_block_by_hash' and description 'Return a Base block header by hash' indicate a retrieval operation with no modification or execution of external operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_base_block_by_hash safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Delx Mcp A2a, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_base_block_by_hash, this is the rule to start with:

get_base_block_by_hash Allowed

get_base_block_by_hash 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_base_block_by_hash": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Delx Mcp A2a, apply this rule, and every get_base_block_by_hash call is checked against it from then on.

FAQ

Questions about get_base_block_by_hash

What does the get_base_block_by_hash tool do? +

Return a Base block header by hash. It is categorised as a Read tool in the Delx Mcp A2a MCP Server, which means it retrieves data without modifying state.

What parameters does get_base_block_by_hash accept? +

get_base_block_by_hash accepts 2 parameters: full, block_hash. Required: block_hash. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on get_base_block_by_hash? +

Register the Delx Mcp A2a MCP server in PolicyLayer and add a rule for get_base_block_by_hash: 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 Delx Mcp A2a. Nothing to install.

What risk level is get_base_block_by_hash? +

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

Can I rate-limit get_base_block_by_hash? +

Yes. Add a rate_limit block to the get_base_block_by_hash 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_base_block_by_hash completely? +

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

get_base_block_by_hash is provided by the Delx Mcp A2a MCP server (https://api.delx.ai/v1/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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