MCP server

Vaers

io.github.pipeworx-io/vaers

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

VAERS (Vaccine Adverse Event Reporting System) — report counts by vaccine,

Working at last checkOfficial: pipeworx.io's GitHub account (pipeworx-io)About 27,384 tokens per request once connected45 tools

https://gateway.pipeworx.io/vaers/mcp

At a glance

Type: MCP server
Publisher: pipeworx.io (verified by the MCP Registry)
Status: Working at last check
Tools: 45
Token cost: About 27,384 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http vaers https://gateway.pipeworx.io/vaers/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.vaers]
url = "https://gateway.pipeworx.io/vaers/mcp"

Gemini CLI

{"mcpServers":{"vaers":{"httpUrl":"https://gateway.pipeworx.io/vaers/mcp"}}}

Cursor

{"mcpServers":{"vaers":{"url":"https://gateway.pipeworx.io/vaers/mcp"}}}

VS Code

{"servers":{"vaers":{"type":"http","url":"https://gateway.pipeworx.io/vaers/mcp"}}}

Antigravity

agy mcp add vaers https://gateway.pipeworx.io/vaers/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"vaers","server_url":"https://gateway.pipeworx.io/vaers/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"vaers","server_url":"https://gateway.pipeworx.io/vaers/mcp"}

vaers_coverage ~142 tokens
What this VAERS pack currently holds: total unique reports, the year range covered, how many distinct vaccine types and manufacturers, and when the seed was last (re)loaded — refresh is a manual re-download of the CDC/FDA data files, not a live feed, so check this before relying on recency. Also ret
vaers_events_by_symptom ~466 tokens
VAERS report counts by symptom (MedDRA preferred term), optionally filtered to one vaccine and/or year range. Pass `symptom` as a substring (e.g. "headache", "anaphyla", "myocarditis") to count how often it was reported; omit it to see the most-reported symptoms overall (optionally within one vaccin
vaers_events_by_vaccine ~473 tokens
VAERS report counts and severity breakdown (died / life-threatening / hospitalized / disabled / ER visit) by vaccine, for the requested year range. Pass `vaccine` as the VAERS vax_type code (e.g. "COVID19", "FLU4", "HPV9", "VARCEL", "MMR") to get that vaccine's counts; omit it to browse the top vacc

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