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Presend MCP Server
io.github.presendapp/presend-mcp in the official MCP registry.
Endpoint https://presend.pages.dev/mcp. Source: github.com/presendapp/presend-source.
The registry describes it as: Before an AI agent installs an npm/PyPI package: typosquat, vulnerability and existence checks.
We read its 40 tools on 2026-10-26. Nothing in them matched our tool-poisoning rules.
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
address_risk ai_crawler_check base64 color csv_json cve_lookup dns_lookup email_disposable email_security email_validate email_verify favicon iban_validate ip_reputation jwt_decode jwt_verify link_metadata maintainer_change_check password password_breach password_check phone_verify redirect_trace repo_health_check rpc_check security_headers security_scan subdomains supply_chain_check text_similarity timestamp tx_decode typosquat_check url_clean url_reputation user_agent uuid vat_validate vulnerability_check whois_lookup
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The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/io-github-presendapp-presend-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.
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