{"name":"io.github.OnChainAIIntel/pqs-mcp-server","slug":"onchainaiintel-pqs-mcp-server","title":null,"description":"PQS scores any prompt before the model runs. 8 dimensions. 5 frameworks. Pre-flight, not post-hoc.","url":"https://mcp.market/server/onchainaiintel-pqs-mcp-server","rating":null,"grade":"B","score":84,"certified":false,"status":"active","category":"ai","tags":["ai","maps"],"presence":{"score":28,"stars":2,"forks":0,"downloads_week":81,"last_push_at":"2026-05-27T15:01:43.000Z","license":"MIT"},"uptime":{"percent":100,"checks":28,"ok":28,"last_checked_at":"2026-11-04T14:25:28.983Z","last_ok_at":"2026-11-04T14:25:28.983Z","latency_ms":925},"claimed":false,"transport":"mixed","callable_via_gateway":true,"default_price_micros":0,"repository":"https://github.com/OnChainAIIntel/pqs-mcp-server","website":"https://promptqualityscore.com","version":"1.4.0","remotes":[{"type":"streamable-http","url":"https://promptqualityscore.com/api/mcp"}],"packages":[{"registryType":"npm","identifier":"pqs-mcp-server","version":"1.4.0","transport":{"type":"stdio"},"environmentVariables":[{"description":"Your PQS Pro API key (pqs_live_xxx) for optimize_prompt. score_prompt is free and requires no key. Subscribe at promptqualityscore.com/pricing.","format":"string","isSecret":true,"name":"PQS_API_KEY"}]}],"tools":[{"name":"optimize_prompt","description":"Rewrite a prompt to score higher on the PQS rubric, AND show before/after\noutput comparisons so the user can see the impact. Returns the optimized\nprompt, the original PQS score, the optimized PQS score, and side-by-side\nsample outputs from a frontier model using both versions.\n\nUSE WHEN:\n- The user got a low score from score_prompt and asks how to improve.\n- The user explicitly asks to \"improve\" / \"rewrite\" / \"fix\" / \"optimize\" a\n  prompt they pasted.\n- The user is dissatisfied with output quality from a previous prompt and\n  asks how to get better results.\n- score_prompt returned a suggestion to invoke this tool.\n\nDO NOT USE WHEN:\n- The user just asked for a score (use score_prompt only — don't double up).\n- The user wants you to write a new prompt from scratch (write it directly).\n\nREQUIRES: A PQS API key from a Pro subscription ($19.99/month, 1,000 calls/mo,\nincludes batch + A/B comparison). If the user has not provided one, the tool\nreturns a clear subscription URL — pass that response to the user verbatim.\nDo not invent or guess API keys. There is no free trial of this tool; the\nuser must subscribe before the first call.\n\nCOST: Counted against your Pro subscription's monthly call quota.\n\nLATENCY: ~6-8 seconds.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"prompt":{"type":"string","description":"The prompt to optimize. Max 8000 characters.","maxLength":8000},"api_key":{"type":"string","description":"PQS API key from a Pro subscription. Required. Format: pqs_live_… (32+ characters). Subscribe at https://promptqualityscore.com/pricing?utm_source=mcp&utm_medium=schema_description_v140&utm_campaign=2026-05-mcp-tools-v140 if you don't have one, or look up an existing key at https://promptqualityscore.com/account?utm_source=mcp&utm_medium=schema_description_v140&utm_campaign=2026-05-mcp-tools-v140."}},"required":["prompt"]}},{"name":"score_prompt","description":"Score a prompt's quality across 8 dimensions BEFORE sending it to an expensive\nmodel. Returns a 0-80 score, an A-F grade, the per-dimension breakdown\n(clarity, specificity, context, constraints, output_format, role_definition,\nexamples, cot_structure), and the weakest dimension.\n\nUSE WHEN:\n- The user is workshopping a prompt and asks \"is this good?\" / \"will this\n  work?\" / \"should I add more detail?\"\n- The user is about to send a long or expensive prompt to GPT-4, Claude Opus,\n  or any frontier model, especially in a batch or automation context where\n  rework is costly.\n- The user mentions iterating on a prompt that produced poor output and wants\n  to diagnose what's missing.\n- The user pastes a prompt and asks for feedback on it.\n\nDO NOT USE WHEN:\n- The user is asking you to write a prompt for them (write it yourself first,\n  then optionally call score_prompt to verify).\n- The prompt is conversational chat (this scores task-shaped prompts).\n\nCOST: Free, no API key required. Rate-limited per IP: 5/min, 10/day, 100/month.\nIf the user exceeds the limit, the response will include a structured upgrade\npath with subscribe and account URLs.\n\nLATENCY: ~2 seconds.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"prompt":{"type":"string","description":"The prompt text to score. Single prompt, not a conversation. Max 8000 characters.","maxLength":8000}},"required":["prompt"]}}],"scan":{"score":84,"grade":"B","scanned_at":"2026-09-27T17:06:15.335Z","report":{"scannerVersion":"0.1.9","scannedAt":"2026-09-27T17:06:15.292Z","components":{"code":{"score":25,"max":25,"notes":["5 source files scanned"]},"reliability":{"score":20,"max":20,"notes":["remote reachable in 330ms"]},"poisoning":{"score":15,"max":15,"notes":["2 tool descriptions checked"]},"auth":{"score":10,"max":15,"notes":["open endpoint, read-only tools"]},"maintenance":{"score":8,"max":15,"notes":["last push 123 days ago"]},"identity":{"score":6,"max":10,"notes":["registry namespace matches repository owner"]}},"findings":[],"inputs":{"probes":[{"url":"https://promptqualityscore.com/api/mcp","reachable":true,"authRequired":false,"latencyMs":330,"serverInfo":{"name":"pqs-mcp-server","version":"1.4.0"}}],"packages":[{"registryType":"npm","identifier":"pqs-mcp-server","version":"1.4.0","found":true,"license":"MIT","hasInstallScripts":false,"dependencyCount":2,"publishedAt":"2026-05-26T13:20:15.454Z","repositoryUrl":"git+https://github.com/OnChainAIIntel/pqs-mcp-server.git","weeklyDownloads":81}],"repo":{"found":true,"owner":"OnChainAIIntel","repo":"pqs-mcp-server","archived":false,"pushedAt":"2026-05-27T15:01:43Z","stars":2,"forks":0,"openIssues":0,"ownerType":"User","ownerAvatarUrl":"https://avatars.githubusercontent.com/u/272723763?v=4","ownerCreatedAt":"2026-04-01T06:10:05Z","license":"MIT"},"icon":{"url":"https://promptqualityscore.com/favicon.ico","source":"site","width":48,"height":48},"presence":{"stars":2,"forks":0,"downloadsWeek":81,"license":"MIT","lastPushAt":"2026-05-27T15:01:43.000Z","score":28}}}},"grade_history":[],"reviews":[]}