AI Plugin Index
polymarket-guard
CommunityMCP server by evidai · updated · ★ 3
Polymarket prediction markets — buy/sell positions in USDC. LemonCake pay-per-call billing. polymarket-guard is a community project by evidai, not verified by a company domain.
Last commit 127 days ago
MIT: permissive, fine for commercial use
Clear description, published package or server URL, original repository
Not checked yet. What we check
What you need
| Setting | Needed | What it is |
|---|---|---|
POLYMARKET_Environment variable, secret | Optional | Polygon wallet private key for trading. Leave unset for read-only mode. |
LEMON_Environment variable, secret | Optional | LemonCake Buyer JWT for pay-per-call billing. |
From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.
Install polymarket-guard
Built from the published package, never by AIclaude mcp add polymarket-guard -- npx -y polymarket-guard-mcpRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"polymarket-guard": {
"command": "npx",
"args": [
"-y",
"polymarket-guard-mcp"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"polymarket-guard": {
"command": "npx",
"args": [
"-y",
"polymarket-guard-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"polymarket-guard": {
"command": "npx",
"args": [
"-y",
"polymarket-guard-mcp"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add polymarket-guard -- npx -y polymarket-guard-mcp{
"mcpServers": {
"polymarket-guard": {
"command": "npx",
"args": [
"-y",
"polymarket-guard-mcp"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add polymarket-guard npx -y polymarket-guard-mcpGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the polymarket-guard block.
Weekly newsletter
Like polymarket-guard? Get the best new MCP servers every week
The best new tools, security warnings before you install something risky, and one practical tip. Free, three minute read.
Alternatives to polymarket-guard
All alternatives →
Manage Jitsu data pipelines: destinations, streams, connections, functions, live events.
Validate oh-my-posh configurations and segment snippets against the official schema.
Real-time global intelligence across conflict, markets, energy, trade, shipping and cyber. 95 tools.
Securely access and manage FHIR healthcare data stored in Medplum.
Manage monitors, status pages, incidents and maintenances in your openstatus workspace.
MCP tools for interacting with Microsoft Fabric
polymarket-guard: common questions
How do I install polymarket-guard?
In Claude Code run claude mcp add polymarket-guard -- npx -y polymarket-guard-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is polymarket-guard the official server?
polymarket-guard is a community project by evidai, not verified by a company domain.
Is polymarket-guard free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is polymarket-guard safe to use?
It scores 40 of 100. Grades: maintenance C, licence A, quality C. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to polymarket-guard?
Similar MCP servers: Jitsu, Oh My Posh Validator, World Monitor, mcp.
Does polymarket-guard work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.