count_all_chars

Count occurrences of each character in text.

SERVERTinyFn SOURCEhttps://api.tinyfn.io/mcp/all/

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-tinyfn-tinyfn/count-all-chars.md

WHAT IT DOES

What count_all_chars does on TinyFn

AI agents call count_all_chars to retrieve information from TinyFn 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
`text`	string	Yes	The text to analyze

Parameters from the server's own tool schema.

RISK

Why count_all_chars is rated Low

This tool performs a read-only analysis of input text, returning character frequency statistics. It has no side effects, does not modify data, execute code, delete anything, or commit financial actions. It is purely informational and deterministic, consistent with the server's purpose of providing utility functions for AI agents.

From the tool's definition Tool name 'count_all_chars' and description 'Count occurrences of each character in text' indicate a data analysis/retrieval operation with no modification, deletion, or execution of external operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs count_all_chars safely

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

count_all_chars Allowed

count_all_chars 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": {
    "count_all_chars": {}
  }
}

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

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

FAQ

Questions about count_all_chars

What does the count_all_chars tool do? +

Count occurrences of each character in text. It is categorised as a Read tool in the TinyFn MCP Server, which means it retrieves data without modifying state.

What parameters does count_all_chars accept? +

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

How do I enforce a policy on count_all_chars? +

Register the TinyFn MCP server in PolicyLayer and add a rule for count_all_chars: 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 TinyFn. Nothing to install.

What risk level is count_all_chars? +

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

Can I rate-limit count_all_chars? +

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

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

count_all_chars is provided by the TinyFn MCP server (https://api.tinyfn.io/mcp/all/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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