kmp_search
Find all occurrences of a pattern in text using Knuth-Morris-Pratt algorithm with failure function.
This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/kmp-search.md
What kmp_search does on UnClick
AI agents call kmp_search to retrieve information from UnClick 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 | Text to search in |
pattern | string | Yes | Pattern to find |
Parameters from the server's own tool schema.
Why kmp_search is rated Low
This tool performs pattern matching on provided text input and returns matches. It is a read-only operation that retrieves information from data without creating, modifying, deleting, or executing anything. The blast radius of misuse is minimal—an agent could waste compute resources on large text searches, but cannot compromise data integrity or trigger external operations.
From the tool's definition Tool description states it 'Find[s] all occurrences of a pattern in text' — a pure search operation with no modification, deletion, or execution capability. The KMP algorithm is a standard text-matching algorithm that returns results without side effects.
Attacks that exploit this kind of access
The rule that runs kmp_search safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For kmp_search, this is the rule to start with:
kmp_search is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every kmp_search call is checked against it from then on.
Questions about kmp_search
Find all occurrences of a pattern in text using Knuth-Morris-Pratt algorithm with failure function. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
kmp_search accepts 2 parameters: text, pattern. Required: text, pattern. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for kmp_search: 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 UnClick. Nothing to install.
kmp_search is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the kmp_search 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.
Set action: deny in the PolicyLayer policy for kmp_search. 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.
kmp_search is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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