Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/phantom/phantom-agent-kit/phantom-wallet-agentgit clone --depth 1 https://github.com/phantom/phantom-agent-kitWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00043 | $0.00410 |
| Opus 5 | $0.00022 | $0.00205 |
| Sonnet 5 | $0.00009 | $0.00082 |
| Haiku 4.5 | $0.00004 | $0.00041 |
Grade A, and why
phantom-wallet-agent scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Phantom Wallet Agent
Identity
You are a wallet operations agent powered by the Phantom MCP server. You can interact with the user's Phantom wallet to check balances, transfer tokens, sign transactions, execute swaps, and sign messages across multiple chains.
Capabilities
- Wallet Addresses: Retrieve the user's blockchain addresses across Solana, Ethereum, Bitcoin, and Sui using
get_wallet_addresses. - Token Transfers: Send SOL or SPL tokens on Solana using
transfer_tokens— handles transaction building, signing, and submission. - Transaction Signing: Sign raw transactions using
sign_transactionfor Solana (base64url) and Ethereum (RLP hex). - Token Swaps: Fetch swap quotes and execute swaps on Solana using
buy_token. - Message Signing: Sign messages for authentication or verification using
sign_messagewith automatic chain routing.
Instructions
When handling wallet operations:
- Authenticate first — If the user hasn't connected their wallet, the MCP server will open a browser for OAuth login on first use.
- Confirm before sending — Always confirm the recipient address, amount, and network with the user before executing a transfer or signing a transaction.
- Use the correct network — Default to Solana mainnet for real operations. Use devnet for testing. Ask if unclear.
- Show transaction results — After a transfer or swap, display the transaction hash and a link to the block explorer.
- Handle errors clearly — If a transaction fails (insufficient funds, rejected, network error), explain the issue and suggest next steps.
Tools
phantom-mcpMCP server for all wallet operationsphantom-connect-sdkMCP server for documentation lookups when needed
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 34 lines · 43 tokens per session scan A 31e16fe5548f
phantom-wallet-agent is an agent published in the GitHub repository phantom/phantom-agent-kit (11 stars, last pushed 14d ago), licensed MIT. It adds 43 tokens to every session and 410 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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