{"id":"8ccd67d8-388c-4ee9-a6f9-812c57ec9ed7","shortId":"284tfz","kind":"mcp","title":"MCP Helmet","tagline":"Production middleware toolkit for building MCP servers, adding authentication, health checks, rate limiting, and grac...","description":"Production middleware toolkit for building MCP servers, adding authentication, health checks, rate limiting, and graceful shutdown to MCP applications.\n\nMCP Helmet is a composable middleware layer wrapping the official Model Context Protocol SDK with production-ready features. It provides auto transport detection for stdio and HTTP, built-in auth middleware for bearer tokens and API keys, health checks, graceful shutdown, rate limiting, request logging, and a CLI scaffolder for new projects. Available as the npm package mcp-helmet.","tags":["mcp","helmet"],"capabilities":["mcp","transport-stdio","open-source"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"https://github.com/ankitvirdi4/mcp-helmet","protocol":"mcp","transport":"stdio","auth":{"type":"mcp","details":{"transport":"stdio"}},"qualityScore":"0.558","qualityRationale":"deterministic score 0.56 from registry signals: · indexed on pulsemcp · has source repo · 4 github stars · registry-generated description present","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"deterministic:mcp:v1","enrichmentVersion":1,"enrichedAt":"2026-05-31T22:22:54.821Z","embedding":null,"createdAt":"2026-05-20T07:22:04.981Z","updatedAt":"2026-05-31T22:22:54.821Z","lastSeenAt":"2026-05-31T22:22:54.821Z","tsv":"'ad':10,25 'api':74 'applic':36 'auth':68 'authent':11,26 'auto':58 'avail':91 'bearer':71 'build':7,22 'built':66 'built-in':65 'check':13,28,77 'cli':86 'compos':41 'context':48 'detect':60 'featur':55 'grac':17 'grace':32,78 'health':12,27,76 'helmet':2,38,98 'http':64 'key':75 'layer':43 'limit':15,30,81 'log':83 'mcp':1,8,23,35,37,97 'mcp-helmet':96 'middlewar':4,19,42,69 'model':47 'new':89 'npm':94 'offici':46 'open-source' 'packag':95 'product':3,18,53 'production-readi':52 'project':90 'protocol':49 'provid':57 'rate':14,29,80 'readi':54 'request':82 'scaffold':87 'sdk':50 'server':9,24 'shutdown':33,79 'stdio':62 'token':72 'toolkit':5,20 'transport':59 'transport-stdio' 'wrap':44","prices":[{"id":"a3e6f2a5-3d32-4a70-b9e4-e1ae5af021db","listingId":"8ccd67d8-388c-4ee9-a6f9-812c57ec9ed7","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"mcp-free","isPrimary":true,"details":{"transport":"stdio"},"createdAt":"2026-05-20T07:22:04.981Z"}],"sources":[{"listingId":"8ccd67d8-388c-4ee9-a6f9-812c57ec9ed7","source":"pulsemcp","sourceId":"https://www.pulsemcp.com/servers/ankitvirdi4-helmet","sourceUrl":"https://api.pulsemcp.com/v0beta/servers","isPrimary":true,"firstSeenAt":"2026-05-20T07:22:04.981Z","lastSeenAt":"2026-05-31T22:22:54.821Z"}],"details":{"listingId":"8ccd67d8-388c-4ee9-a6f9-812c57ec9ed7","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"source":"pulsemcp","transport":"stdio","server_name":"MCP Helmet","github_stars":4,"registry_url":"https://www.pulsemcp.com/servers/ankitvirdi4-helmet","source_code_url":"https://github.com/ankitvirdi4/mcp-helmet"},"updatedAt":"2026-05-31T22:22:54.821Z"}}