iot_witness_verify

Verify witness chain integrity for a device — detects epoch gaps and hash chain breaks

SERVERClaude Flow SOURCEclaude-flow

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-ruvnet-claude-flow/iot-witness-verify.md

WHAT IT DOES

What iot_witness_verify does on Claude Flow

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

RISK

Why iot_witness_verify is rated Low

This tool queries or audits the state of a witness chain (likely a blockchain or cryptographic log) to validate its integrity. It retrieves and analyzes data to detect anomalies but does not modify, delete, or execute external operations. The read-only nature of verification combined with low blast radius if misused places it in the Read category with low severity.

From the tool's definition Tool performs verification/detection of integrity issues ('detects epoch gaps and hash chain breaks') without modifying data. 'Verify' indicates a read-only inspection operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs iot_witness_verify safely

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

iot_witness_verify Allowed

iot_witness_verify 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": {
    "iot_witness_verify": {}
  }
}

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

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

FAQ

Questions about iot_witness_verify

What does the iot_witness_verify tool do? +

Verify witness chain integrity for a device — detects epoch gaps and hash chain breaks. It is categorised as a Read tool in the Claude Flow MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on iot_witness_verify? +

Register the Claude Flow MCP server in PolicyLayer and add a rule for iot_witness_verify: 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 Flow. Nothing to install.

What risk level is iot_witness_verify? +

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

Can I rate-limit iot_witness_verify? +

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

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

iot_witness_verify is provided by the Claude Flow MCP server (claude-flow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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