mcp-sampling-critic — vibes-plug Skill
English
Orchestration & Integration
- Protocol & Model Sampling:
mcp-server-architect,ai-llm-integration-expert,frontier-ai-models-expert - Adversarial Audit & Quality:
autonomous-red-teamer,ai-code-review-autonomous,anti-slop - Multi-Agent Consensus:
speculative-multi-draft-synthesizer,multi-agent-orchestration,parallel-tool-orchestrator - Testing & Verification:
autonomous-tdd-debugger,property-mutation-testing-expert,formal-spec-z3-verifier - Lifecycle Gate:
zero-to-prod-orchestrator,session-memory-manager
Description
Production protocol for leveraging Model Context Protocol (MCP v1.x) Client Sampling (sampling/createMessage) to create recursive adversarial quality gates. In standard architectures, tools execute code blindly upon invocation. With MCP Sampling, a specialized Critic engine pauses execution, initiates a nested sampling call to the host LLM (or a secondary frontier model), and asks the Critic model to inspect proposed diffs against the 7 Anti-Slop Pillars, security boundaries, and invariant state machines. Writes are only permitted when the Critic grants an APPROVED verdict.
Trigger Conditions
Activate this skill when:
- Designing autonomous agent loops that modify filesystem files or execute database migrations.
- Implementing the
CRITIC_VALIDATORswarm topology where an implementer agent's draft must pass an independent quality audit. - Eliminating AI-generated placeholders (
// TODO), silent error suppressions, or SQL injection vectors before pull request creation. - Enforcing human-in-the-loop or critic-in-the-loop safeguards without requiring manual human clicking.
Critic-in-the-Loop Protocol Architecture
PROPOSED CODE DRAFT │ ▼ ┌───────────────────────────┐ │ STATIC REGEX & AST FILTER │ Instant rule scan (P1-P7 Anti-Slop, silent catches) └─────────────┬─────────────┘ │ ┌───────────┴───────────┐ ▼ ▼ FAIL (Score < 85) PASS (Score >= 85) │ │ Reject immediately ┌────▼────────────────────────┐ with suggestions │ MCP SAMPLING REQUEST │ sampling/createMessage │ to Host LLM (Independent) │ └────────────┬────────────────┘ │ ▼ FINAL CRITIC VERDICT (APPROVED -> Write to disk)
1. MCP Sampling Request Construction (TypeScript)
typescriptexport interface SamplingMessagePayload { messages: Array<{ role: 'user' | 'assistant'; content: { type: 'text'; text: string }; }>; systemPrompt: string; maxTokens: number; modelPreferences?: { hints?: Array<{ name: string }>; costPriority?: number; speedPriority?: number; intelligencePriority?: number; }; } export function buildCriticSamplingPayload( targetFile: string, proposedCode: string, staticFindings: Array<{ ruleName: string; message: string }> ): SamplingMessagePayload { const findingsSummary = staticFindings.length > 0 ? staticFindings.map(f => `- ${f.ruleName}: ${f.message}`).join('\n') : 'None detected by initial AST filter.'; return { systemPrompt: `You are the Sovereign Anti-Slop Critic (2026 Edition). Perform a strict code audit against: 1. Zero placeholder stubs (// TODO, // ...rest of code). 2. Zero silent error suppression (empty catch blocks). 3. 5-state interactive UI contract (hover, focus-visible, active, disabled). 4. SQL injection prevention (parameterized queries only). Output JSON: { "verdict": "APPROVED" | "REJECTED", "score": 0-100, "rationale": "..." }`, maxTokens: 2048, modelPreferences: { intelligencePriority: 1.0, costPriority: 0.2 }, messages: [ { role: 'user', content: { type: 'text', text: `Target: ${targetFile}\nPreliminary AST Warnings:\n${findingsSummary}\n\nCode to Audit:\n\`\`\`typescript\n${proposedCode}\n\`\`\`` } } ] }; }
Sovereign Execution, Token Efficiency & Invariants
| Dimension | Sovereign Mandate & Deterministic Contract |
|---|---|
| Frontier Model Cascade | Medium / High (GPT-5.6 Sol Medium, Gemini 4 Argon, Claude Sonnet 5.5 High, Grok 4.7 High Fast) |
| Availability Fallback | Gemini 4 Argon/Pro -> Gemini 3.8 Flash; Claude Opus 5.5 -> Claude Opus 4.6 (Zero unhandled missing-model errors) |
| KV-Cache & Token Protocol | Pin static instructions & schemas at prompt prefix (kv-cache-prefix-optimizer); pass surgical CONTEXT_MAP.md slices (<250 tokens/call) during Swarm Fan-Out |
| SaaT CLI & MCP Dispatch | CLI: vibes skill exec mcp-sampling-critic <audit|eval|verify|generate|blueprint> / MCP: vibes_skill_dispatch, vibes_ast_query, vibes_compile_cache, vibes_optimize_budget, vibes_verify_gate |
| NFR & Anti-Slop Invariants | P99 API Gateway Latency < 85ms, OpenAPI 3.1 / TypeSpec strict schema parity, RFC 9457 Problem Details error contracts, Idempotency-Key enforcement; 100% complete zero-placeholder output verified via node scripts/check-anti-slop.js --strict |
Bahasa Indonesia
Integrasi Orkestrasi
- Sampling Protokol & Model:
mcp-server-architect,ai-llm-integration-expert,frontier-ai-models-expert - Audit Adversarial & Kualitas:
autonomous-red-teamer,ai-code-review-autonomous,anti-slop - Konsensus Multi-Agen:
speculative-multi-draft-synthesizer,multi-agent-orchestration,parallel-tool-orchestrator - Pengujian & Verifikasi:
autonomous-tdd-debugger,property-mutation-testing-expert,formal-spec-z3-verifier - Gerbang Siklus Hidup:
zero-to-prod-orchestrator,session-memory-manager
Deskripsi
Protokol produksi untuk memanfaatkan Client Sampling pada Model Context Protocol (sampling/createMessage) guna membangun gerbang kualitas adversarial rekursif. Menggunakan MCP Sampling, server atau subagen menghentikan eksekusi sementara, melakukan panggilan sampling ke LLM host untuk mengaudit usulan perubahan kode terhadap 7 Pilar Anti-Slop, keamanan injeksi SQL, dan penanganan error. Kode hanya ditulis ke disk apabila mendapatkan status APPROVED.
Kondisi Pemicu
- Merancang alur agen otonom yang memodifikasi file repositori atau migrasi basis data.
- Menjalankan topologi swarm
CRITIC_VALIDATORdi mana draf implementer harus diverifikasi auditor independen. - Menghapus stub placeholder malas (
// TODO) dan penelanan error secara otomatis sebelum commit.
Pembuatan Payload Permintaan MCP Sampling (TypeScript)
typescriptexport interface PayloadPesanSampling { messages: Array<{ role: 'user' | 'assistant'; content: { type: 'text'; text: string }; }>; systemPrompt: string; maxTokens: number; } export function bangunPayloadSamplingCritic( fileTarget: string, drafKode: string, peringatanAwal: string[] ): PayloadPesanSampling { return { systemPrompt: `Anda adalah Auditor Anti-Slop Berdaulat (Edisi 2026). Lakukan audit kode ketat terhadap: 1. Ketiadaan stub placeholder (// TODO, // ...rest of code). 2. Ketiadaan penelanan error diam-diam (empty catch block). 3. Kontrak 5-state UI interaktif (hover, focus-visible, active, disabled). 4. Pencegahan injeksi SQL (wajib parameterized query). Keluarkan JSON: { "verdict": "APPROVED" | "REJECTED", "score": 0-100, "rationale": "..." }`, maxTokens: 2048, messages: [ { role: 'user', content: { type: 'text', text: `File: ${fileTarget}\nPeringatan AST Awal: ${peringatanAwal.join(', ')}\n\nKode yang Diaudit:\n\`\`\`typescript\n${drafKode}\n\`\`\`` } } ] }; }
Matriks Eksekusi Berdaulat, Efisiensi Token & Invarian
| Dimensi | Mandat Berdaulat & Kontrak Deterministik |
|---|---|
| Kaskade Model Frontier | Medium / High (GPT-5.6 Sol Medium, Gemini 4 Argon, Claude Sonnet 5.5 High, Grok 4.7 High Fast) |
| Invarian Fallback Ketersediaan | Gemini 4 Argon/Pro -> Gemini 3.8 Flash; Claude Opus 5.5 -> Claude Opus 4.6 (Bebas gagal saat model belum tersedia/kuota penuh) |
| Protokol Hemat Token & KV-Cache | Kunci instruksi & skema statis di prefix awal (kv-cache-prefix-optimizer); kirim potongan CONTEXT_MAP.md (<250 token/panggilan) saat Fan-Out |
| Eksekusi SaaT CLI & MCP | CLI: vibes skill exec mcp-sampling-critic <audit|eval|verify|generate|blueprint> / MCP: vibes_skill_dispatch, vibes_ast_query, vibes_compile_cache, vibes_optimize_budget, vibes_verify_gate |
| Invarian NFR & Anti-Slop | Latensi P99 API < 85ms, paritas skema ketat OpenAPI 3.1 / TypeSpec, kontrak error RFC 9457 Problem Details, penegakan Idempotency-Key; kode 100% tuntas tanpa placeholder diverifikasi melalui node scripts/check-anti-slop.js --strict |


