Home / MCP registry index / app.vercel.jestsprout/jestsprout
JestSprout Meme Coin & Solana Rug-Check Tools
app.vercel.jestsprout/jestsprout in the official MCP registry.
Endpoint https://jestsprout.vercel.app/mcp.
The registry describes it as: Solana rug checks, memecoin tools, swaps, and JestSprout Pay pages (Apple Pay, Solana Pay) + shop.
We read its 23 tools on 2026-10-26. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
jestsprout_whoami bot_whoami jestsprout_pay_lookup solana_token_rug_check memecoin_ticker_availability_check trending_memecoin_narratives memecoin_name_ticker_ideas memecoin_logo_generator memecoin_vibe_check_score refuel_station_checkin solana_swap_quote solana_swap_unsigned_tx bot_hub_register bot_hub_read bot_hub_post bot_dm_send bot_dm_inbox task_board_list task_board_post task_board_answer task_board_mark_best generate_coin_concept generate_full_concept
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/app-vercel-jestsprout-jestsprout)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.
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