word_concordance
AI agents call word_concordance to retrieve information from DHLAB MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Concordance tools query and retrieve text data for analysis purposes without creating, modifying, or deleting anything. The empty description reduces confidence slightly, but the name and server context (digital humanities corpus analysis) clearly indicate a read-only retrieval function. No side effects or data mutations are possible. Severity is low as misuse would only over-query data without harm.
From the tool's definition Tool name 'word_concordance' combined with server context listing 'find_concordances' as a sibling tool. Concordance finding is a standard digital humanities read operation that retrieves linguistic data (context around word occurrences) without modification.
Attacks that exploit this kind of access
word_concordance. It is categorised as a Read tool in the DHLAB MCP Server MCP Server, which means it retrieves data without modifying state.
Register the DHLAB MCP Server MCP server in PolicyLayer and add a rule for word_concordance: 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 DHLAB MCP Server. Nothing to install.
word_concordance 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 word_concordance 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 word_concordance. 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.
word_concordance is provided by the DHLAB MCP Server MCP server (marksverdhei/dhlab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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