hash_data

Hash data using cryptographic hash functions

SERVERClaude MCP Server Ecosystem SOURCEcoder-rl/claude_mcpserver_dev1

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/coder-rl-claude-mcpserver-dev1/hash-data.md

WHAT IT DOES

What hash_data does on Claude MCP Server Ecosystem

AI agents call hash_data to retrieve information from Claude MCP Server Ecosystem without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why hash_data is rated Low

Hashing is a deterministic read-like operation that transforms input data into a fixed-size hash digest without creating, modifying, or deleting any data. It performs a computation and returns a result without side effects.

From the tool's definition Tool name 'hash_data' and description 'Hash data using cryptographic hash functions' describe a cryptographic hashing operation that computes a deterministic, one-way digest of input data without modifying, deleting, or executing arbitrary external operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hash_data safely

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

hash_data Allowed

hash_data 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": {
    "hash_data": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Claude MCP Server Ecosystem, apply this rule, and every hash_data call is checked against it from then on.

FAQ

Questions about hash_data

What does the hash_data tool do? +

Hash data using cryptographic hash functions. It is categorised as a Read tool in the Claude MCP Server Ecosystem MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on hash_data? +

Register the Claude MCP Server Ecosystem MCP server in PolicyLayer and add a rule for hash_data: 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 Claude MCP Server Ecosystem. Nothing to install.

What risk level is hash_data? +

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

Can I rate-limit hash_data? +

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

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

hash_data is provided by the Claude MCP Server Ecosystem MCP server (coder-rl/claude_mcpserver_dev1). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Claude MCP Server Ecosystem, and thousands of servers like it.

This server

All 229 Claude MCP Server Ecosystem tools →

Across the catalogue

collect_devtools_data on Percepta MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →