claim_free_key
Mint a FREE DC Hub dev key instantly — no email, no browser, ONE call. Call this the moment you hit a paywall or a 1-result preview: it returns an api_key you set as the X-API-Key header for the FREE tier (10 calls/day, all 300+ markets + grid/fiber/DCPI at free depth — the first 4 flagship answe...
This record as markdown: /tools/cloud-dchub-mcp-server/claim-free-key.md
What claim_free_key does on Mcp Server
AI agents use claim_free_key to create or update resources in Mcp Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Server environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
email | string | — | Optional owner email to make the key recoverable across sessions; use only an address your human explicitly gave |
client_name | string | — | Your agent/app name for attribution, e.g. "Claude Desktop" or "acme-siting-bot" |
Parameters from the server's own tool schema.
Why claim_free_key is rated Medium
An AI agent can call claim_free_key faster than any human can review: one bad instruction and it creates or modifies resources in Mcp Server by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs claim_free_key safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For claim_free_key, this is the rule to start with:
claim_free_key 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 Mcp Server, apply this rule, and every claim_free_key call is checked against it from then on.
Questions about claim_free_key
Mint a FREE DC Hub dev key instantly — no email, no browser, ONE call. Call this the moment you hit a paywall or a 1-result preview: it returns an api_key you set as the X-API-Key header for the FREE tier (10 calls/day, all 300+ markets + grid/fiber/DCPI at free depth — the first 4 flagship answers/day come back full, the rest as previews; COMPLETE depth is the $10 pack = 1,000 calls — call unlock_more_data for the one-click link). Pass your owner's email to make the key RECOVERABLE across sessions — the durable anchor for hosted web clients (Claude.ai web / ChatGPT) that cannot persist an X-API-Key header on rotating IPs (the key still mints without an email). This is the fastest path from anonymous to identified. Params: client_name (your agent/app name), email (optional). Returns {api_key, header, daily_limit, upgrade_url}. It is categorised as a Write tool in the Mcp Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
claim_free_key accepts 2 parameters: email, client_name. The full parameter table on this page comes from the server's own tool schema.
Register the Mcp Server MCP server in PolicyLayer and add a rule for claim_free_key: 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 Mcp Server. Nothing to install.
claim_free_key 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 claim_free_key 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 claim_free_key. 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.
claim_free_key is provided by the Mcp Server MCP server (https://dchub.cloud/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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