ask_pipeworx_grounded
Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 4,862 across 1272 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confide...
This record as markdown: /tools/io-github-pipeworx-io-19hz/ask-pipeworx-grounded.md
What ask_pipeworx_grounded does on 19hz
AI agents call ask_pipeworx_grounded to retrieve information from 19hz 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 |
|---|---|---|---|
q | string | — | Alias for question. |
text | string | — | Alias for question. |
input | string | — | Alias for question. |
query | string | — | Alias for question. |
prompt | string | — | Alias for question. |
question | string | Yes | Your question in natural language. Accepts query, q, prompt, text, input as aliases. |
Parameters from the server's own tool schema.
Why ask_pipeworx_grounded is rated Low
This tool retrieves and queries data from external sources without modifying, executing, or deleting anything. It is designed specifically for read-only operations with hallucination resistance and explicit refusal capabilities when answers cannot be grounded in source material. The tool has no side effects beyond returning information.
From the tool's definition "high-stakes reads", "fetches the data", "EXTRACTS the answer", "returns {answer, evidence, confidence, source}", "refusal_reason" when data doesn't answer the query
Attacks that exploit this kind of access
The rule that runs ask_pipeworx_grounded safely
PolicyLayer is an MCP gateway: it sits between your AI agents and 19hz, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ask_pipeworx_grounded, this is the rule to start with:
ask_pipeworx_grounded 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 19hz, apply this rule, and every ask_pipeworx_grounded call is checked against it from then on.
Questions about ask_pipeworx_grounded
Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 4,862 across 1272 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups. It is categorised as a Read tool in the 19hz MCP Server, which means it retrieves data without modifying state.
ask_pipeworx_grounded accepts 6 parameters: q, text, input, query, prompt, question. Required: question. The full parameter table on this page comes from the server's own tool schema.
Register the 19hz MCP server in PolicyLayer and add a rule for ask_pipeworx_grounded: 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 19hz. Nothing to install.
ask_pipeworx_grounded 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 ask_pipeworx_grounded 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 ask_pipeworx_grounded. 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.
ask_pipeworx_grounded is provided by the 19hz MCP server (https://gateway.pipeworx.io/19hz/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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