get_histogram

Compute histogram data for a field in the active source.

SERVERCLIO Adios SOURCEpypi:clio-kit

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/io-github-iowarp-adios-mcp/get-histogram.md

WHAT IT DOES

What get_histogram does on CLIO Adios

AI agents call get_histogram to retrieve information from CLIO Adios 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_histogram is rated Low

This tool performs a statistical computation (histogram generation) on existing data fields for analysis purposes. It retrieves or derives information from data without modifying, deleting, or executing external operations. The output is read-only analysis. Classification as Read is appropriate for scientific data analysis tools that aggregate or transform data for inspection without persistence or side effects.

From the tool's definition Tool computes and returns histogram data for a field in the active source. The verb 'compute' and noun 'histogram data' indicate data retrieval and aggregation with no modification, deletion, or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_histogram safely

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

get_histogram Allowed

get_histogram 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_histogram": {}
  }
}

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

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

FAQ

Questions about get_histogram

What does the get_histogram tool do? +

Compute histogram data for a field in the active source. It is categorised as a Read tool in the CLIO Adios MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_histogram? +

Register the CLIO Adios MCP server in PolicyLayer and add a rule for get_histogram: 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 CLIO Adios. Nothing to install.

What risk level is get_histogram? +

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

Can I rate-limit get_histogram? +

Yes. Add a rate_limit block to the get_histogram 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_histogram completely? +

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

get_histogram is provided by the CLIO Adios MCP server (pypi:clio-kit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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