Solana Pulse: agent safety layer

Connect Remote server

claude mcp add --transport http solana-pulse-gateway https://solana-pulse-gateway-1021990235790.us-central1.run.app/mcp

{
  "mcpServers": {
    "solana-pulse-gateway": {
      "url": "https://solana-pulse-gateway-1021990235790.us-central1.run.app/mcp"
    }
  }
}

{
  "servers": {
    "solana-pulse-gateway": {
      "type": "http",
      "url": "https://solana-pulse-gateway-1021990235790.us-central1.run.app/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://solana-pulse-gateway-1021990235790.us-central1.run.app/mcp

Tools 19 found in our last check

• check_tx

  Run on every transaction before signing. Shows what each wallet gains and loses, blocks drainer tricks, and catches failures and expired blockhashes before you pay a fee. Decodes each step, dry-runs it on live mainnet, finds each wallet's SOL and token changes, and answers OK, R…

• tx_matches

  Run just before signing a transfer built from a request like "send 5 USDC to X", or a swap built for "swap 1 USDC for JUP". Confirms it moves exactly that token, amount and recipient, nothing more, or that the swap sells exactly that amount and pays the bought token back to you.…

• explain_tx

  Run after a transaction lands or fails, to report what happened instead of guessing from logs. For failures it names the failing program and the fix. Reads a confirmed transaction: whether it worked, the fee, each wallet's SOL and token changes, the programs used, and why it fai…

• fee

  Run before setting a priority fee. Gives the price in the unit Compute Budget expects (micro-lamports per compute unit) and the total in SOL, so a unit mix-up never overpays. Turns what recent transactions paid for priority into three prices: cheap, normal, fast. Pass your trans…

• tx_version

  Run when code can't find or read a transaction that is on chain, or before relying on code that reads other people's transactions. Says whether a transaction is legacy, version 0 or version 1, and which readers (RPC settings and library versions) can read it. Example: {"tx_id":…

• build_tx

  Run when an agent needs to send SOL or a token, or swap through Jupiter: it returns the unsigned transaction already checked, with ready_to_sign and the reasons. Sign only when ready_to_sign is true. Builds a SOL or token transfer, or a Jupiter swap, as an unsigned transaction w…

• find_token

  Run whenever a user names a token ("buy BONK"). Tickers aren't unique; copycats reuse them. Never take an address from memory. Finds the real address for a ticker or name, ranks matches by verification and liquidity, and warns when copycats share the ticker. Example: {"name": "B…

• token_safety

  Run before buying, accepting or recommending a token. Answers SAFE, CAUTION or AVOID with exact reasons from chain and market data, plus rug_chance (high, with reasons, or null). Simulates a real holder selling, then checks if liquidity can be pulled, the creator's record, insid…

• token_traders

  Run to see who bought a token early and who profited: launch-block snipers, the pool creator, wallets that sold more than they bought (got tokens some other way), and ordinary traders. Reads a token's pool from its first transaction for a set time and lists the wallets that trad…

• wallet

  Run when asked what a wallet holds or is worth. One call instead of balance + tokens + history; spam is left out of the total. SOL balance, top tokens with USD values, estimated total, and recent activity in one answer. Example: {"wallet": "<address>"}. Cost: 25 free calls a day…

• trace

  Run when a wallet was drained or money went missing, or before trusting an address someone gave you: follows the money and flags sweeper, pass-through and lookalike-address patterns. Follows a wallet's money through its recent transactions: net SOL and token change and the other…

• balance

  Run before sending SOL or paying fees, to confirm the wallet has enough. Never trust a remembered balance. A wallet's SOL balance, read from the chain. Example: {"wallet": "<address>"}. Cost: 25 free calls a day, then $0.01 USDC per call (x402). Outputs explained: GET /api/tools…

• tokens

  Run to learn which tokens a wallet holds and how much. Ranked by USD value; unverified (often spam airdrop) tokens are flagged so you don't report fake holdings. Lists a wallet's tokens (SPL Token and Token-2022) with exact amounts, whether each is verified, and USD value where…

• history

  Run to see a wallet's recent activity or get a real transaction ID. Never make one up. Lists a wallet's latest transactions, newest first, whether each worked, and a plain error name for failures. Example: {"wallet": "<address>", "how_many": 5}. Cost: 25 free calls a day, then $…

• blockhash

  Run just before building a transaction to sign. Blockhashes expire in about 60-90 seconds; this says how long is left. A fresh blockhash and how many blocks (and about how many seconds) are left before it expires. Example: {}. Cost: 25 free calls a day, then $0.01 USDC per call…

• token_account

  Run before sending a token. Tokens go to the recipient's token account, not their wallet, and models can't work that address out. Finds the token account (ATA) for a wallet and token with the token's real program, says if it exists, and prices creating it. Example: {"wallet": "<…

• whats_this

  Run when unsure what an address is, before sending to it or passing it on. SOL sent to a token or program address can be lost for good. Says what any address is (wallet, token account, token, program, stake account and more) with its key facts. Example: {"address": "EPjFWdd5Aufq…

• convert

  Run before putting any token amount in a transaction. "5 USDC" is 5,000,000 raw units; wrong decimals send 1,000x too much or too little. Converts between normal amounts and raw units with the token's real on-chain decimals. Example: {"token": "SOL", "amount": "0.5"} gives 50000…

• why_failed

  Run whenever a Solana transaction or dry run fails, before retrying. Retrying blind burns fees. Turns a Solana error (hex code, log line or RPC error) into the plain cause and fix. Offline, no chain call. Example: {"error": "custom program error: 0x1771", "program": "JUP6LkbZbjS…

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