MCPLow riskUnclaimed
litmus
Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
polygraphsopolygraphso/litmus
server.json
{
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"name": "io.github.polygraphso/litmus",
"description": "Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.",
"repository": {
"url": "https://github.com/polygraphso/litmus",
"source": "github"
},
"version": "0.36.0",
"websiteUrl": "https://polygraph.so",
"packages": [
{
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"identifier": "@polygraphso/litmus",
"version": "0.36.0",
"transport": {
"type": "stdio"
},
"packageArguments": [
{
"value": "polygraphso-litmus-mcp",
"type": "positional"
}
],
"environmentVariables": [
{
"description": "Base URL for published-grade lookups (check_server, list_servers, request_grade) and attestation resolution.",
"default": "https://polygraph.so",
"name": "POLYGRAPH_API_URL"
},
{
"description": "Which network to read attestations from: 'base' (mainnet, default) or 'base-sepolia' (testnet).",
"default": "base",
"name": "NEXT_PUBLIC_POLYGRAPH_NETWORK"
}
]
}
],
"remotes": [
{
"type": "streamable-http",
"url": "https://polygraph.so/api/mcp"
}
]
}Permissions
DeclaredDetected
Runs code—
nodeInstalls—
npm:@polygraphso/litmus@0.36.0Runs install scripts—None
Network
polygraph.sopolygraph.soNeeds credentialsNoneNone
Outside the workspace—None
Agent tools—None
Checks
Low risk · Nothing worth a warning was found.
Not reviewed by a person · Checked by rules; the model review is not switched on yet.
Versions
- #10.36.0latestOct 7, 2026
litmusOpen in Codeg