marketplace_index_seed
Write a guarded starter marketplace index JSON with optional built-in seed entries and custom package entries. Use this before local_marketplace_index when planning a local package marketplace; overwrite=false protects existing index files.
This record as markdown: /tools/io-github-pantani-tdmcp/marketplace-index-seed.md
What marketplace_index_seed does on tdmcp — TouchDesigner MCP server
AI agents use marketplace_index_seed to create or update resources in tdmcp — TouchDesigner MCP server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your tdmcp — TouchDesigner MCP server environment.
Why marketplace_index_seed is rated Medium
The tool creates or initializes a JSON index file for a local package marketplace. This is a Write operation because it creates/modifies data reversibly (evidenced by the overwrite=false protection flag). It does not execute arbitrary code, delete data irreversibly, or move money.
From the tool's definition Tool description uses 'Write a guarded starter marketplace index JSON' and 'overwrite=false protects existing index files', indicating it creates or modifies a marketplace index file with reversible operations.
Attacks that exploit this kind of access
The rule that runs marketplace_index_seed safely
PolicyLayer is an MCP gateway: it sits between your AI agents and tdmcp — TouchDesigner MCP server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For marketplace_index_seed, this is the rule to start with:
marketplace_index_seed 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 tdmcp — TouchDesigner MCP server, apply this rule, and every marketplace_index_seed call is checked against it from then on.
Questions about marketplace_index_seed
Write a guarded starter marketplace index JSON with optional built-in seed entries and custom package entries. Use this before local_marketplace_index when planning a local package marketplace; overwrite=false protects existing index files. It is categorised as a Write tool in the tdmcp — TouchDesigner MCP server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the tdmcp — TouchDesigner MCP server MCP server in PolicyLayer and add a rule for marketplace_index_seed: 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 tdmcp — TouchDesigner MCP server. Nothing to install.
marketplace_index_seed 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 marketplace_index_seed 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 marketplace_index_seed. 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.
marketplace_index_seed is provided by the tdmcp — TouchDesigner MCP server MCP server (@dpantani/tdmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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