fletcher16

SERVERScorpTech x402 API SOURCEhttps://scorptech.it.com/api/x402/mcp

Low RISK CLASS

Category Read

Parameters 20 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-it-scorptech-x402/fletcher16.md

WHAT IT DOES

What fletcher16 does on ScorpTech x402 API

AI agents call fletcher16 to retrieve information from ScorpTech x402 API 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
`hex`	string	—
`text`	string	—

Parameters from the server's own tool schema.

RISK

Why fletcher16 is rated Low

Even though fletcher16 only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs fletcher16 safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ScorpTech x402 API, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For fletcher16, this is the rule to start with:

fletcher16 Allowed

fletcher16 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": {
    "fletcher16": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect ScorpTech x402 API, apply this rule, and every fletcher16 call is checked against it from then on.

FAQ

Questions about fletcher16

What does the fletcher16 tool do? +

Fletcher-16 checksum, modulus 255. The two sums are packed with the second sum in the high byte. "abcde" is c8f0. Price: $0.001 USDC per successful call (x402, Solana). Same tool over HTTPS: POST https://scorptech.it.com/api/x402/v1/fletcher16. It is categorised as a Read tool in the ScorpTech x402 API MCP Server, which means it retrieves data without modifying state.

What parameters does fletcher16 accept? +

fletcher16 accepts 2 parameters: hex, text. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on fletcher16? +

Register the ScorpTech x402 API MCP server in PolicyLayer and add a rule for fletcher16: 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 ScorpTech x402 API. Nothing to install.

What risk level is fletcher16? +

fletcher16 is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit fletcher16? +

Yes. Add a rate_limit block to the fletcher16 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 fletcher16 completely? +

Set action: deny in the PolicyLayer policy for fletcher16. 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 fletcher16? +

fletcher16 is provided by the ScorpTech x402 API MCP server (https://scorptech.it.com/api/x402/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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