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Review & quality

19,471 rows, by stacks then stars

1,766 of these skill files have been read, by 1,273 distinct authors, and what they tell an agent counted. What Review & quality authors agree on, and what they forbid

  • Fact Checker API

    Br0ski777/fact-checker-x402/io.github.Br0ski777/fact-checker MCP server

    0★ repo

    Verify claims with web evidence. Returns sources and verdict. x402 micropayment.

  • JSON Validator API

    Br0ski777/json-validator-x402/io.github.Br0ski777/json-validator MCP server

    0★ repo

    JSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.

  • Phone Number Validation API

    Br0ski777/phone-validation-x402/io.github.Br0ski777/phone-validation MCP server

    0★ repo

    Validate phone numbers worldwide: carrier, line type, country, E.164. x402.

  • SMS Validator API

    Br0ski777/sms-validator-x402/io.github.Br0ski777/sms-validator MCP server

    0★ repo

    Validate SMS-capable phone numbers — mobile vs landline, E.164 format. x402 micropayment.

  • SSL Checker API

    Br0ski777/ssl-checker-x402/io.github.Br0ski777/ssl-checker MCP server

    0★ repo

    SSL certificate check — validity, expiry, issuer, chain, grade. x402 micropayment.

  • Blockchain verification mcp

    CSOAI-ORG/blockchain-verification-mcp/io.github.CSOAI-ORG/blockchain-verification-mcp MCP server

    0★ repo

    Blockchain Verification MCP Server by MEOK AI Labs

  • Commit message ai mcp

    CSOAI-ORG/commit-message-ai-mcp/io.github.CSOAI-ORG/commit-message-ai-mcp MCP server

    0★ repo

    Commit Message Ai MCP Server by MEOK AI Labs

  • Config validator ai mcp

    CSOAI-ORG/config-validator-ai-mcp/io.github.CSOAI-ORG/config-validator-ai-mcp MCP server

    0★ repo

    Config Validator Ai MCP Server by MEOK AI Labs

  • Code reviewer ai mcp

    CSOAI-ORG/code-reviewer-ai-mcp/io.github.CSOAI-ORG/code-reviewer-ai-mcp MCP server

    0★ repo

    Code Reviewer Ai MCP Server by MEOK AI Labs

  • Email validator ai mcp

    CSOAI-ORG/email-validator-ai-mcp/io.github.CSOAI-ORG/email-validator-ai-mcp MCP server

    0★ repo

    email-validator-ai-mcp MCP server by MEOK AI Labs

  • Git helper ai mcp

    CSOAI-ORG/git-helper-ai-mcp/io.github.CSOAI-ORG/git-helper-ai-mcp MCP server

    0★ repo

    git-helper-ai-mcp MCP server by MEOK AI Labs

  • Health check ai mcp

    CSOAI-ORG/health-check-ai-mcp/io.github.CSOAI-ORG/health-check-ai-mcp MCP server

    0★ repo

    health-check-ai-mcp MCP server by MEOK AI Labs

  • Insurance verification mcp

    CSOAI-ORG/insurance-verification-mcp/io.github.CSOAI-ORG/insurance-verification-mcp MCP server

    0★ repo

    insurance-verification-mcp MCP server by MEOK AI Labs

  • License checker ai mcp

    CSOAI-ORG/license-checker-ai-mcp/io.github.CSOAI-ORG/license-checker-ai-mcp MCP server

    0★ repo

    license-checker-ai-mcp MCP server by MEOK AI Labs

  • Plagiarism checker ai mcp

    CSOAI-ORG/plagiarism-checker-ai-mcp/io.github.CSOAI-ORG/plagiarism-checker-ai-mcp MCP server

    0★ repo

    plagiarism-checker-ai-mcp MCP server by MEOK AI Labs

  • Schema validator ai mcp

    CSOAI-ORG/schema-validator-ai-mcp/io.github.CSOAI-ORG/schema-validator-ai-mcp MCP server

    0★ repo

    schema-validator-ai-mcp MCP server by MEOK AI Labs

  • Seo checker ai mcp

    CSOAI-ORG/seo-checker-ai-mcp/io.github.CSOAI-ORG/seo-checker-ai-mcp MCP server

    0★ repo

    seo-checker-ai-mcp MCP server by MEOK AI Labs

  • Validator ai mcp

    CSOAI-ORG/validator-ai-mcp/io.github.CSOAI-ORG/validator-ai-mcp MCP server

    no license0★ repo

    AI-powered validator ai MCP server for agents. Supports validate json, validate email, validate

  • Design Constraint Validator

    CseperkePapp/design-constraint-validator/io.github.CseperkePapp/design-constraint-validator MCP server

    0★ repo

    Validate design tokens for accessibility, scales, and design-system constraint consistency.

  • Fact Verification MCP

    FoundryNet/fact-check-mcp/io.github.FoundryNet/fact-check-mcp MCP server

    0★ repo

    Verify claims with verdict, confidence & cited sources; batch verify, source checks, daily brief.

  • Email Verification MCP

    FoundryNet/email-verify-mcp/io.github.FoundryNet/email-verify-mcp MCP server

    0★ repo

    Verify emails — deliverability, disposable/role/free detection, MX validity, domain age.

  • Closeread Verify

    FreeGuy-AI/closeread-verify/io.github.FreeGuy-AI/closeread-verify MCP server

    no license0★ repo

    A verified dependency-audit verdict any AI agent can call over MCP, not a raw scan.

  • KatanA Markdown Linter

    HiroyukiFuruno/katana-markdown-linter/io.github.HiroyukiFuruno/kml MCP server

    0★ repo

    Markdown linter, workspace-scoped stdio MCP server, and self-hosted text-only remote MCP server.

  • Agent guard mcp

    Kavachh/agent-guard-mcp/io.github.Kavachh/agent-guard-mcp MCP server

    0★ repo

    Git-aware safe file ops for AI agents: delete anything except git-tracked source code.

  • Contractor License Verification (TradesAPI)

    Noquarter6/contractor-license-mcp-server/io.github.Noquarter6/contractor-license-mcp-server MCP server

    0★ repo

    Verify contractor licenses: 50 states + DC + 8 cities — status, expiration, disciplinary history.

  • Document Integrity Validator

    OjasKord/document-integrity-validator-mcp/io.github.OjasKord/document-integrity-validator-mcp MCP server

    0★ repo

    AI reasoning checks any document against known international standards before your agent acts on it.

  • Quantum Suitability Validator

    OjasKord/quantum-suitability-validator-mcp-server/io.github.OjasKord/quantum-suitability-validator-mcp-server MCP server

    0★ repo

    AI triage for quantum computing POC proposals. Screens before budget is allocated.

  • VAT Validator MCP

    OjasKord/vat-validator-mcp/io.github.OjasKord/vat-validator-mcp MCP server

    0★ repo

    Validate EU, UK, AU VAT numbers for AI agents. EU ViDA e-invoicing compliance.

  • Perf mcp

    Perf-Technology/perf-mcp/io.github.Perf-AI/perf-mcp MCP server

    0★ repo

    Fact-check and fix AI outputs. Hallucination detection, schema validation, auto-repair.

  • Git mcp server

    Ray0907/git-mcp-server/io.github.Ray0907/git-mcp-server MCP server

    0★ repo

    MCP server for GitLab and GitHub

  • Literature Review Council

    Ravicha2/lit-review-council/io.github.Ravicha2/lit-review-council MCP server

    no license0★ repo

    Multi-agent literature review: research, peer review, and synthesize grounded reports.

  • Tollbooth x402

    SolomonisBlack/tollbooth-x402/io.github.SolomonisBlack/tollbooth-x402 MCP server

    no license0★ repo

    Discover, quote, verify & self-check 56 x402 pay-per-call finance/tax calculators for AI agents.

  • Hungarian Postcode Validator

    UnbearableDev/hu-postcode-validator/io.github.UnbearableDev/hu-postcode-validator MCP server

    no license0★ repo

    Hungarian postcode lookup + validation - 3,484 codes, sub-10ms lookups, bulk address endpoint.

  • Domain checker mcp

    WeAreBraveLabs/domain-checker-mcp/io.github.WeAreBraveLabs/domain-checker-mcp MCP server

    0★ repo

    Fast domain availability checker. DNS + RDAP/WHOIS verification.

  • Agent output guard

    agenson-tools/agent-output-guard-mcp/io.github.agenson-horrowitz/agent-output-guard MCP server

    0★ repo

    Validate and verify data from other agents before acting on it. Zero LLM costs.

  • Structured data validator

    agenson-tools/structured-data-validator-mcp/io.github.agenson-horrowitz/structured-data-validator MCP server

    0★ repo

    Validate, transform, and normalize structured data for AI agents.

  • EU VAT Validator (VIES)

    apifymcpfactory-droid/mcp-factory-servers/io.github.apifymcpfactory-droid/eu-vat-validator MCP server

    no license0★ repo

    Bulk-validates EU VAT numbers against the European Commission's official VIES service.

  • mcp-erid

    atomno-mcp/mcp-erid/io.github.atomno-mcp/mcp-erid MCP server

    0★ repo

    Russian ad marking (38-FZ) checker: erid validation, ad-page audit, compliance hints.

  • Gateway

    bolyra/bolyra/io.github.bolyra/gateway MCP server

    0★ repo

    MCP auth gateway: verify agent identity, enforce per-tool permissions, block replays, emit receipts.

  • Gonka Second Opinion (multi-model)

    bystray/gonka-mcp-server/io.github.bystray/gonka-mcp-server MCP server

    0★ repo

    A second opinion for AI agents: one prompt across several live Gonka models + roles, one call.

  • commit-check MCP

    commit-check/commit-check-mcp/io.github.commit-check/commit-check-mcp MCP server

    0★ repo

    Validate commit messages, branch names, author info, push safety, and repo state.

  • verify-proof

    Fulcrum-Enterprises/verify-proof/io.github.csolomon0704-prog/verify-proof MCP server

    0★ repo

    Verify blockchain-anchored timestamp proofs offline. No network calls, account, or API key.

  • Ebenova scope guard

    dgtalquantumleap-ai/scope-guard-mcp/io.github.dgtalquantumleap-ai/ebenova-scope-guard MCP server

    no license0★ repo

    AI contract scope violation detector. Detect scope creep, draft responses.

  • GitWhy — The Context Layer for Git

    gitwhy-cli/gitwhy/io.github.gitwhy-cli/gitwhy MCP server

    no license0★ repo

    The shared AI context engine for git — save, search, and share the reasoning behind code changes.

  • Drug Interaction Checker

    guptaprakhariitr/drug-interaction-mcp/io.github.guptaprakhariitr/drug-interaction-mcp MCP server

    no license0★ repo

    Drug-drug interaction checker for clinical LLMs using RxNorm and DailyMed.

  • GST Validator

    guptaprakhariitr/gst-validator-mcp/io.github.guptaprakhariitr/gst-validator-mcp MCP server

    0★ repo

    Validate Indian GSTINs locally (Verhoeff), extract PAN, identify issuing state.

  • Organic web checker

    healersfind-alt/organic-web-checker-mcp/io.github.healersfind-alt/organic-web-checker MCP server

    no license0★ repo

    USDA NOP organic compliance checks — operation websites vs live OID certificate data.

  • eleata Claim Verifier

    hernaninverso/eleata-verify-mcp/io.github.hernaninverso/eleata-verify-mcp MCP server

    no license0★ repo

    Grounding/hallucination guard: verify a claim against evidence (Supported/Refuted/NEE).

  • Eleata e-Invoice Validator

    hernaninverso/eleata-einvoice-mcp/io.github.hernaninverso/eleata-einvoice-mcp MCP server

    no license0★ repo

    Validate EU e-invoices (Peppol, XRechnung, Factur-X, UBL, CII) and explain error codes.

  • Defi guard mcp

    iinniitt/defi-guard-mcp/io.github.iinniitt/defi-guard-mcp MCP server

    0★ repo

    DeFi safety checks on Base before you sign: honeypot, owner-power scan, approval risk, Aave health.

  • Infraveil Agent Guard

    infraveilhq/infraveil-guard/io.github.infraveilhq/agent-guard MCP server

    0★ repo

    Gate an AI agent's destructive actions behind human approval, with a tamper-evident log.

  • Code Review Analyst

    j0hanz/code-review-analyst-mcp/io.github.j0hanz/code-review-analyst MCP server

    no license0★ repo

    Gemini-powered MCP server for code review analysis.

  • agentsync

    jarmstrong158/agentsync/io.github.jarmstrong158/agentsync MCP server

    no license0★ repo

    Multi-agent coordination MCP: claim work, survey peers, resolve conflicts via a git branch as CAS.

  • Vivory Verification Gateway

    jayjodev/vivory-mcp/io.github.jayjodev/vivory-mcp-verification MCP server

    no license0★ repo

    98 MCP tools for verifiable AI: citations, law, KYB, peer review, forecast, media provenance.

  • Api contract validator

    lazymac2x/api-contract-validator-api/io.github.lazymac2x/api-contract-validator MCP server

    no license0★ repo

    Cloudflare Workers MCP server: api-contract-validator

  • Email validator

    lazymac2x/email-validator-api/io.github.lazymac2x/email-validator MCP server

    no license0★ repo

    Cloudflare Workers MCP server: email-validator

  • Env blueprint validator

    lazymac2x/env-blueprint-validator-api/io.github.lazymac2x/env-blueprint-validator MCP server

    no license0★ repo

    Cloudflare Workers MCP server: env-blueprint-validator

  • Claude skill validator

    lazymac2x/claude-skill-validator-api/io.github.lazymac2x/claude-skill-validator MCP server

    no license0★ repo

    Cloudflare Workers MCP server: claude-skill-validator

  • Agent guard mcp

    liminalpepe/agent-guard-mcp/io.github.liminalpepe/agent-guard-mcp MCP server

    0★ repo

    Verify-before-act safety checks for AI agents: packages, lockfiles, manifests, CI workflows.

  • License verify mcp

    lmaniraruta/license-verify-mcp/io.github.lmaniraruta/license-verify-mcp MCP server

    0★ repo

    Verify US contractor license + surety bond + insurance from official state data. WA live, CA beta.