MCP Server Directory

React Native and Expo health check: upgrade blockers, store rules, crash risks, security findings

Tack io.github.Thefirstmannnn/tack

Task management for people and AI agents, with scoped OAuth access to issues, projects, and docs.

guide-registry guide.constructionleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Rust Crate Security Advisories — buy per-query in-session (rustsecwatch) com.a2awire/data-rust-security-crate-vulnerability

Rust crate vulns: CVEs, patched versions. $0.01/query. Register in-session — free testnet funds.

Scan a website for SEO, accessibility, performance and security issues, and read the report.

postingcheck com.edgethirteen.www/postingcheck

Scan a job posting against 16 US state/DC pay-transparency disclosure laws.

guide-registry guide.militaryleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Triggers GuardBee scans, queries findings, AI-assisted remediation guidance

Enforcer dev.instruxi.enforcer/v3

Identity and authorization in one system: allow, deny, the reason, and a record.

A local, permissioned MCP agent for authorized developer workstations.

Bulk OCR: Image & Scanned PDF to Text from CSV or Google Sheet io.github.Nero-Engine/bulk-ocr-image-pdf-to-text

OCR every image and scanned PDF linked in an Apify dataset, CSV, Excel or Google Sheet, keeping...

WebStartHub services com.webstarthub/services

Public services, guide/FAQ search and estimates. Inquiry drafts require scoped authentication.

guide-registry guide.schoolleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

numberRank dev.numberrank/numberrank

Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.

AgenTrux com.agentrux/agentrux

Authenticated event topics for agent-to-agent messaging with per-agent credentials and audit logs.

guide-registry guide.manufacturingleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Local hybrid-search memory for AI agents over plain Markdown. Multi-tenant, offline, no LLM.

Ship Check com.uxcontinuum/ship-check

Scan a deployed app URL for exposed keys, open Supabase tables and missing security headers.

NAIF Gravity Diagnostic — Free MCP/API/Webhook Triage com.naifgravity/diagnostic

Free MCP, API auth, webhook and schema diagnostics with bounded checks and safe quote routing.

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Lazynext Accessibility Checker com.lazynext/accessibility-checker

Scan URLs or HTML for WCAG 2.2 violations. 75-rule manifest, weighted score, shareable reports.

Kanbai — public project templates and SOPs app.kanbai/discovery

Read-only access to Kanbai's public project templates and SOPs. Public, no authentication.

TheRundown Documentation MCP io.github.TheRundown/documentation

Official TheRundown API documentation search. No live data or authenticated Product API calls.

AgentsToolsHub io.github.Thyphex/agenttools-hub

156 paid-per-call JSON APIs for AI agents over x402: calculators, live data, crypto, security, dev.