validate_claim

SERVER19hz SOURCEhttps://gateway.pipeworx.io/19hz/mcp

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-pipeworx-io-19hz/validate-claim.md

WHAT IT DOES

What validate_claim does on 19hz

AI agents call validate_claim to retrieve information from 19hz 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
`claim`	string	Yes	Natural-language factual claim, e.g., "Apple's FY2024 revenue was $400 billion" or "Microsoft made about $100B in profit last year".

Parameters from the server's own tool schema.

RISK

Why validate_claim is rated Low

validate_claim is purely informational: it queries authoritative data sources (SEC filings) and returns read-only verdicts with structured comparisons. It has no side effects, cannot modify data, execute code, or commit financial actions. This is a straightforward Read operation with low risk of misuse.

From the tool's definition Tool description states it performs "fact check", "verify the claim", and "claim verification against authoritative sources". It "Returns a verdict (confirmed / approximately_correct / refuted / inconclusive / unsupported)" with citations and comparisons.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs validate_claim safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 19hz, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For validate_claim, this is the rule to start with:

validate_claim Allowed

validate_claim 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": {
    "validate_claim": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect 19hz, apply this rule, and every validate_claim call is checked against it from then on.

FAQ

Questions about validate_claim

What does the validate_claim tool do? +

"Is it true that…" / "fact check" / "verify the claim that…" / "did X really…" / "was Y actually…" / "confirm or refute" / "true or false" — natural-language claim verification against authoritative sources. Use whenever the agent needs to check whether something a user said is factually correct. v1 supports company-financial claims (revenue, net income, cash position for public US companies) via SEC EDGAR + XBRL. Returns a verdict (confirmed / approximately_correct / refuted / inconclusive / unsupported), extracted structured form, actual value with pipeworx:// citation, and percent delta. Replaces 4–6 sequential calls (NL parsing → entity resolution → data lookup → numeric comparison). It is categorised as a Read tool in the 19hz MCP Server, which means it retrieves data without modifying state.

What parameters does validate_claim accept? +

validate_claim accepts 1 parameter: claim. Required: claim. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on validate_claim? +

Register the 19hz MCP server in PolicyLayer and add a rule for validate_claim: 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 19hz. Nothing to install.

What risk level is validate_claim? +

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

Can I rate-limit validate_claim? +

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

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

validate_claim is provided by the 19hz MCP server (https://gateway.pipeworx.io/19hz/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on 19hz, and thousands of servers like it.

This server

All 32 19hz tools →

Across the catalogue

The MCP Attack Database →

Guides

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