Mmcp.market

meme-coin-audit skill

by elementalsouls·elementalsouls/Claude-BugHunter·4.7k stars·MIT

Meme coin and token security audit — rug pull detection (honeypot, hidden mint, fee manipulation, LP lock bypass), Solana SPL token analysis (freeze authority, mint authority, metadata mutability), Token-2022 extension risks (transfer hooks, permanent delegate), DEX liquidity pool attacks (sandwich amplification, LP drain, bonding curve exploits), pump.fun/Raydium/Jupiter integration risks, and real exploit examples from 2024-2025. Use for any token audit, rug pull assessment, meme coin security review, or pre-investment due diligence.

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Install the meme-coin-audit skill

A skill is a folder. Copy it into your agent's skills folder and the agent loads it when the task matches its description.

git clone --depth 1 https://github.com/elementalsouls/Claude-BugHunter.git /tmp/Claude-BugHunter
mkdir -p ~/.claude/skills
cp -r /tmp/Claude-BugHunter/skills/meme-coin-audit ~/.claude/skills/meme-coin-audit
available in every project

In the Claude apps, zip the folder and upload it from the Skills settings. The folder on GitHub

The instructions your agent would load

SKILL.md as published, without the frontmatter. Read it on GitHub

MEME COIN & TOKEN SECURITY AUDIT

Fast-kill rug pull detection and deep token security analysis for EVM and Solana meme coins.

PRE-DIVE KILL SIGNALS

Check these BEFORE reading a single line of code. If any are true, skip the audit — the token is likely a rug or not worth the time.

Hard Kills (Skip Immediately)

  • Contract not verified on Etherscan/Solscan → Cannot audit source = cannot trust
  • Deployer wallet has history of rug pulls (check Etherscan deployer page)
  • Token age < 1 hour AND no known team → Too early, wait for more data
  • Mint authority retained (Solana) AND no cap → Infinite mint = certain rug
  • Freeze authority retained (Solana) on meme coin → Honeypot confirmed
  • Transfer hook present (Token-2022) with mutable hook program → Honeypot vector
  • Permanent delegate extension (Token-2022) → Can steal all holder tokens

Soft Kills (Proceed with Extreme Caution)

  • Top holder > 20% of supply (excluding DEX pools)
  • LP not burned or locked in verified contract
  • Contract is upgradeable / proxy with retained admin
  • Less than $5K liquidity in the pool
  • No social presence / anonymous deployer with no history

THE ONE RULE

"Check ALL authorities and owner functions. The retained authority IS the rug vector."

Every rug pull requires a privileged operation: mint, blacklist, fee change, LP removal, or authority abuse. If you find the privilege, you found the bug.

BUG CLASSES (8 TOKEN-SPECIFIC)

1. HIDDEN MINT / UNLIMITED SUPPLY

Common rug pattern. Deployer mints tokens post-launch, dumps on LP.

Quick grep (EVM):

grep -rn "function mint\|_mint(\|_balances\[.*\] +=" src/ --include="*.sol" | grep -v "test\|lib\|node_modules"

Quick grep (Solana):

grep -rn "MintTo\|mint_to\|mint_authority" src/ --include="*.rs" | grep -v "test\|target"

Kill if: MAX_SUPPLY enforced in every mint path, or mint function removed entirely.

2. HONEYPOT / TRANSFER RESTRICTION

Common scam pattern. Buy works, sell blocked.

Quick grep:

grep -rn "blacklist\|isBlacklisted\|_bots\|maxTxAmount\|approve.*override\|tradingEnabled" src/ --include="*.sol"

Solana equivalent:

grep -rn "freeze_authority\|transfer_hook\|TransferHook\|permanent_delegate" src/ --include="*.rs"

Kill if: No blacklist mapping, no transfer hooks, no freeze authority.

3. FEE MANIPULATION

Common rug pattern. Sell fee set to 99% after initial buys.

Quick grep:

grep -rn "setFee\|setSellFee\|_taxFee\|_sellFee" src/ --include="*.sol"
grep -rn "function set.*Fee" -A5 src/ --include="*.sol" | grep -v "require\|MAX\|<="

Kill if: Fee setter has require(fee <= MAXFEE) with MAXFEE <= 10%.

4. LIQUIDITY POOL DRAIN

LP removal, migration, or manipulation to crash price.

Quick grep:

grep -rn "migrateLP\|emergencyWithdraw\|\.sync()\|setPair\|setRouter" src/ --include="*.sol"

Kill if: LP tokens burned to dead address, no migration function, no pair setter.

5. BONDING CURVE MANIPULATION

Exploits in pump.fun-style bonding curves.

Quick grep:

grep -rn "virtualReserve\|setCurve\|graduate\|bonding_curve" src/ --include="*.sol" --include="*.rs"

Kill if: Curve parameters immutable, graduation permissionless.

6. AUTHORITY RETENTION (SOLANA)

Retained mint/freeze/update authorities on Solana tokens.

Quick grep:

grep -rn "mint_authority\|freeze_authority\|update_authority\|close_authority" src/ --include="*.rs"
grep -rn "set_authority.*None" src/ --include="*.rs"  # Good sign: revocation

Kill if: All authorities = None, verified on-chain.

7. FAKE RENOUNCE / HIDDEN OWNERSHIP

Ownership appears renounced but backdoor control retained.

Quick grep:

grep -rn "renounceOwnership.*override\|_shadowAdmin\|_backupOwner\|selfdestruct" src/ --include="*.sol"

Kill if: renounceOwnership NOT overridden, no second admin role, no selfdestruct.

8. SANDWICH AMPLIFICATION BY DESIGN

Contract makes holders maximally sandwichable.

Quick grep:

grep -rn "swapExactTokensForETH" -A5 src/ --include="*.sol" | grep "0,"
grep -rn "swapThreshold\|_rebase\|mandatoryPool" src/ --include="*.sol"

Kill if: Auto-swap has proper slippage, no rebase mechanics.

FAST RED-FLAG SWEEP

Run the 8 bug-class greps above across the source tree for fast red-flag detection. Together they catch:

  • Direct mint/balance manipulation
  • Blacklist and transfer restriction patterns
  • Unbounded fee setters
  • LP migration and emergency withdraw functions
  • Fake renounce overrides
  • Zero slippage auto-swaps
  • All Solana authority patterns
  • Token-2022 dangerous extensions

Source grep does NOT check (verify these out-of-band):

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