get_claimable_rewards

Scan all JustLend V1 merkle airdrop distributors for a user

SERVERJustlend SOURCEjustlend/mcp-server-justlend

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/justlend-mcp-server-justlend/get-claimable-rewards.md

WHAT IT DOES

What get_claimable_rewards does on Justlend

AI agents call get_claimable_rewards to retrieve information from Justlend without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_claimable_rewards is rated Low

This tool retrieves information about available rewards from merkle airdrop distributors. It performs a read-only query against the blockchain to determine what rewards a user can claim, but does not execute any transactions, modify state, or delete data.

From the tool's definition Tool name 'get_claimable_rewards' and description 'Scan all JustLend V1 merkle airdrop distributors for a user' indicate data retrieval only. The verb 'scan' and 'get' are query operations with no modification or execution of transactions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_claimable_rewards safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Justlend, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_claimable_rewards, this is the rule to start with:

get_claimable_rewards Allowed

get_claimable_rewards is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_claimable_rewards": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Justlend, apply this rule, and every get_claimable_rewards call is checked against it from then on.

FAQ

Questions about get_claimable_rewards

What does the get_claimable_rewards tool do? +

Scan all JustLend V1 merkle airdrop distributors for a user. It is categorised as a Read tool in the Justlend MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_claimable_rewards? +

Register the Justlend MCP server in PolicyLayer and add a rule for get_claimable_rewards: 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 Justlend. Nothing to install.

What risk level is get_claimable_rewards? +

get_claimable_rewards is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_claimable_rewards? +

Yes. Add a rate_limit block to the get_claimable_rewards 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.

How do I block get_claimable_rewards completely? +

Set action: deny in the PolicyLayer policy for get_claimable_rewards. 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.

What MCP server provides get_claimable_rewards? +

get_claimable_rewards is provided by the Justlend MCP server (justlend/mcp-server-justlend). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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