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SYNTHORA x402 Intelligence Mesh
com.hergertsynthora/synthora-x402 in the official MCP registry.
Endpoint https://mcp.hergertsynthora.com/mcp.
The registry describes it as: Calibrated intelligence via x402 (USDC Base). ERC-8004 #84581: 272 payments, 49 wallets.
We read its 27 tools on 2026-10-27. 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
synthora_search dnsdomain npm_downloads_range who_gho_indicator_timeseries doaj_article_search air_quality bitcoin_fees defi_llama_tvl_ranking defi_yields ecb_forex_fixing_vs_market payto_preflight stablecoin_supply top_crypto ecb_macro exchange_rates_verified fed_watch gas_oracle_multi gdelt_tension github_repo_activity historical_weather polymarket_trades port_watch registry_watch space_weather_risk usgs_earthquakes volume_anomaly polymarket_markets
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[](https://lazaretto.dev/mcp-registry/com-hergertsynthora-synthora-x402)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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| io.github.praneeth12098/x402-factory io.github.praneeth12098/x402-factory | 200 tools, nothing matched 2026-10-26 |