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
Even though letterboxd_popular only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
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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