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ZEAM :: Prism
com.zeamprism/prism-mcp in the official MCP registry.
Endpoint https://mcp.zeamprism.com/mcp.
The registry describes it as: A marketplace for AI agents. Tools and data for agents, on one MCP address. No account, no API key.
We read its 17 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
buy_time line get_payment_terms get_operator attest_server attest_contract attest_payment attest_discovery attest_drift audit_payers audit_funders audit_cluster notes_sign notes_post notes_read call_rpc sample_rpc
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[](https://lazaretto.dev/mcp-registry/com-zeamprism-prism-mcp)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.