FabTally Safe is answering right now. Last checked 8 min ago. It exposes 8 tools. Last commit 1 Aug 2026.
Read-only crypto safety: token honeypot checks, EIP-712 signature decode, approval scans.
Uptime history
91 days of history · worst day 98%
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
8
Tools
read from the server
143 ms
Response time
average over 24h
0
Stars
last commit 1 Aug 2026
Nothing serious here today
Today is the operative word: we check FabTally Safe every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.
run in your terminal
claude mcp add crypto-safety --transport http https://safe.fabtally.com/mcpSettings → Connectors → Add custom connector, then paste this address
https://safe.fabtally.com/mcp~/.codex/config.toml
[mcp_servers.crypto-safety]
url = "https://safe.fabtally.com/mcp".cursor/mcp.json
{
"mcpServers": {
"crypto-safety": {
"url": "https://safe.fabtally.com/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"crypto-safety": {
"type": "http",
"url": "https://safe.fabtally.com/mcp"
}
}
}Available tools 8
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
approvals
approvals
PAID $0.01 (x402, USDC on Base). Scan a wallet's ERC-20/721 approvals ranked by exposure; flags unlimited amounts, unverified/known-malicious spenders, and address-poisoning 'fake-approval revoke bait'; returns the exact revoke calldata you execute YOURSELF (never executed/broadcast by us). Without payment returns the x402 challenge; pass x_payment. Free teaser: approvals_free.
approvals_free
FREE. Approval counts + top-3 riskiest spenders for {address, chain}. Real result, no wallet. Upgrade to approvals for EVERY approval ranked + revoke calldata.
decode
decode_signature
PAID $0.01 (x402, USDC on Base). Decode an off-chain EIP-712 typed-data signature (Permit / Permit2 / Seaport / generic) into plain English with risk flags: unlimited approval, unknown/known-malicious spender, never-expiring or already-expired deadlines, zero-consideration NFT-drain orders. Off-chain signatures are the top wallet-drainer vector. Pure offline decode — never signs/broadcasts. Without payment returns the x402 challenge; pass x_payment. Free teaser: decode_signature_free.
decode_signature_free
FREE. Type + plain-English summary + risk level for an EIP-712 `typed_data`. Real result, no wallet. Upgrade to decode_signature for the full field-by-field decode + all risk flags + malicious-spender screening.
simulate
simulate
PAID $0.02 (x402, USDC on Base). Keyless pre-sign analysis of {chain, from?, to, data, value?}: public-RPC eth_call revert check + static calldata decode predicting approval/transfer deltas + risk flags (unlimited approval, approval-for-all, reverts). Honest keyless limitation stated in the response (no full fork trace). Without payment returns the x402 challenge; pass x_payment. Free teaser: simulate_free.
simulate_free
FREE. Method + revert flag + risk level + predicted effect types for a transaction. Real result, no wallet. Upgrade to simulate for the full predicted deltas + all risk flags.
token
token_safety
PAID $0.02 (x402, USDC on Base). Multi-chain token honeypot/rug check aggregating GoPlus token-security + honeypot.is buy/sell-tax simulation into a normalized 0-100 risk score with explainable reasons: honeypot/can't-sell, buy/sell tax, mint/blacklist/pausable/ownership privileges, top-holder concentration, LP-lock, contract verified/bytecode. Descriptive facts only — NOT a buy/sell signal. Without payment returns the x402 challenge; pass x_payment to settle. Free teaser: token_safety_free.
token_safety_free
FREE. Score band + top-line honeypot/tax/privilege flags for a token {address, chain}. Real result, no wallet. Upgrade to token_safety for the full numeric breakdown.
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://safe.fabtally.com/mcp | streamable-http | answering | 180 ms | 8 min ago |
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FabTally Safe — questions
Answers built from our own checks of this server.
What can FabTally Safe do?
It exposes 8 tools, read directly from the server on our last check. Among them: approvals, approvals_free, decode_signature, decode_signature_free, simulate, simulate_free and 2 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README.
How MCP servers expose tools in the first place →
What is FabTally Safe mostly used for?
Its tools cluster around decode, simulate and token. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is FabTally Safe working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 143 ms. The bar chart above shows every period we have measured.
How do I connect FabTally Safe?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does FabTally Safe need an API key?
No. FabTally Safe completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 8 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is FabTally Safe?
It answers our handshake in 143 ms on average, which is faster than 84% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is FabTally Safe open source?
The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at safe.fabtally.com, which runs on its operator's own terms.