letterboxd_popular
Get a Letterboxd popularity-ranked film chart. Returns a popularity-ranked film chart, optionally scoped to a time window, genre, and/or decade. Credential-free public Letterboxd data.
This record as markdown: /tools/crawlora-mcp/letterboxd-popular.md
What letterboxd_popular does on Crawlora
AI agents call letterboxd_popular to retrieve information from Crawlora 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 |
|---|---|---|---|
genre | string | — | Genre slug filter |
limit | integer | — | Max films, default 10, max 50 |
decade | string | — | Decade filter, e.g. 2010s |
period | string | — | Popularity window, omit for all-time |
Parameters from the server's own tool schema.
Why letterboxd_popular is rated Low
This tool retrieves and queries publicly available data with no side effects. It is a straightforward read operation that fetches film popularity rankings, similar in nature to the other sibling tools (airbnb_search, amazon_search) which are all data retrieval operations. No data creation, modification, deletion, or code execution occurs.
From the tool's definition Tool 'returns a popularity-ranked film chart' from 'Credential-free public Letterboxd data' with optional filtering parameters (time window, genre, decade). No modifications, deletions, or external operations triggered.
Attacks that exploit this kind of access
The rule that runs letterboxd_popular safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crawlora, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For letterboxd_popular, this is the rule to start with:
letterboxd_popular 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 Crawlora, apply this rule, and every letterboxd_popular call is checked against it from then on.
Questions about letterboxd_popular
Get a Letterboxd popularity-ranked film chart. Returns a popularity-ranked film chart, optionally scoped to a time window, genre, and/or decade. Credential-free public Letterboxd data. It is categorised as a Read tool in the Crawlora MCP Server, which means it retrieves data without modifying state.
letterboxd_popular accepts 4 parameters: genre, limit, decade, period. The full parameter table on this page comes from the server's own tool schema.
Register the Crawlora MCP server in PolicyLayer and add a rule for letterboxd_popular: 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 Crawlora. Nothing to install.
letterboxd_popular 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 letterboxd_popular 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 letterboxd_popular. 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.
letterboxd_popular is provided by the Crawlora MCP server (crawlora-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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