convert_data
utilpeek: Convert data between JSON, YAML, CSV, TOML and XML. To check JSON against a schema use validate_json. Returns the document converted from json, yaml, csv, toml or xml to json, yaml, csv or toml. YAML uses libyaml's restricted loader (alias bombs refused); XML with DTDs or entities is a ...
This record as markdown: /tools/dev-tanod-tanod/convert-data.md
What convert_data does on Tanod
AI agents use convert_data to create or update resources in Tanod, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Tanod environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
to | string | Yes | Output format: json, yaml, csv or toml. |
from | string | Yes | Input format: json, yaml, csv, toml or xml. |
input | string | Yes | The document as a string (at most 1 MB UTF-8). |
indent | integer | — | JSON output indentation (0 = compact, default 2). |
delimiter | string | — | CSV delimiter (input and output). |
Parameters from the server's own tool schema.
Why convert_data is rated Medium
An AI agent can call convert_data faster than any human can review: one bad instruction and it creates or modifies resources in Tanod by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs convert_data safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Tanod, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For convert_data, this is the rule to start with:
convert_data stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Tanod, apply this rule, and every convert_data call is checked against it from then on.
Questions about convert_data
utilpeek: Convert data between JSON, YAML, CSV, TOML and XML. To check JSON against a schema use validate_json. Returns the document converted from json, yaml, csv, toml or xml to json, yaml, csv or toml. YAML uses libyaml's restricted loader (alias bombs refused); XML with DTDs or entities is a 422 xml_forbidden; lossy conversions are a 422 (not_tabular, not_representable, ...) rather than silently changed. CSV values stay strings; dates become ISO strings (native dates in TOML). Parsed in an isolated, resource-limited child process without network; input over its limits is a 422 (not charged). Typically under 1 s, up to a few seconds for 1 MB. Price: USD 0.001. Free: 10 utilpeek calls per IP per UTC day. The submitted text is never logged or stored. Docs: https://tanod.dev/learn/convert-data-formats-api.html. It is categorised as a Write tool in the Tanod MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
convert_data accepts 5 parameters: to, from, input, indent, delimiter. Required: to, from, input. The full parameter table on this page comes from the server's own tool schema.
Register the Tanod MCP server in PolicyLayer and add a rule for convert_data: 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 Tanod. Nothing to install.
convert_data is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the convert_data 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 convert_data. 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.
convert_data is provided by the Tanod MCP server (https://tanod.dev/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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