RugShield

check_solana_token_risk

Use before buying a pump.fun token when you have its Solana mint address. Returns advisory flags evaluated on selected historical tokens; no flags does not mean safe. Optional idempotency_key is random 32-byte base64url. A signed call waits up to 20 seconds for analysis and can settle without a key. If still processing, echo the unpaid job_id with the same proof and mint when ready. get_job_result reports processing and retry_after_s for free; the result appears there only after settlement. Costs $0.01 USDC via x402.

Input Schema

TableJSON Schema

Name	Required	Description
`mint`	Yes	Base58 Solana token mint address to check before buying; not a transaction or token symbol.
`job_id`	No	Accepted job ID to echo with the original payment proof and identical inputs when recovering a call made without idempotency_key.
`prefer_async`	No	If work is queued or running, return a job status instead of waiting for completion. Poll get_job_result for free, then retry this tool with the same payment proof and inputs when ready; payment does not settle while processing.
`idempotency_key`	No	Optional canonical base64url encoding of 32 random bytes. Reuse with the original payment proof and identical inputs to recover a lost reply.

Schema Changelog

Changes observed during successful MCP inspections.

Changed4 schema fields changedSep 30, 2026

addedInput schema / properties / idempotency_key / description

Added value: +"Optional canonical base64url encoding of 32 random bytes. Reuse with the original payment proof and identical inputs to recover a lost reply."

addedInput schema / properties / job_id / description

Added value: +"Accepted job ID to echo with the original payment proof and identical inputs when recovering a call made without idempotency_key."

addedInput schema / properties / mint / description

Added value: +"Base58 Solana token mint address to check before buying; not a transaction or token symbol."

addedInput schema / properties / prefer_async / description

Added value: +"If work is queued or running, return a job status instead of waiting for completion. Poll get_job_result for free, then retry this tool with the same payment proof and inputs when ready; payment does not settle while processing."

Changed4 schema fields changedSep 29, 2026
- removedInput schema / properties / idempotency_key / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedInput schema / properties / idempotency_key / type
```
Added value: +"string"
```
- removedInput schema / properties / job_id / anyOf
```
Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]
```
- addedInput schema / properties / job_id / type
```
Added value: +"string"
```

Changed2 schema fields changedSep 28, 2026

addedInput schema / properties / idempotency_key

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Idempotency Key"
+}

addedInput schema / properties / job_id

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Job Id"
+}

First observedSep 25, 2026

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