MCP servers that give coding agents real developer tooling: linters, package registries, test runners, language docs and local build commands. 13,967 servers in this category.
Enables AI agents to perform local OpenAPI contract linting and breaking-change detection to prevent API regressions.
$claude mcp add mcp-api-guardian -- npx -y mcp-api-guardian
Analyzes TypeScript projects to identify performance bottlenecks in type checking and provides actionable remedies for slow compilation.
$claude mcp add whyts -- npx -y whyts-mcp
Scans deployed sites for exposed Supabase service_role keys and audits Postgres Row Level Security policies for vulnerabilities.
$claude mcp add airlock-rls-mcp -- npx -y airlock-rls-mcp
Validates, fixes, converts, and retimes SRT and WebVTT caption files against Netflix, BBC, and DCMP standards.
$https://github.com/markksantos/caption-checker/releases/download/v1.3.3/caption-checker-1.3.3.mcpb
Provides deterministic explanations and concrete fixes for Node.js, npm, Next.js, CORS, and PostgreSQL errors without using an LLM or network.
$claude mcp add dev-error-explainers -- npx -y dev-error-explainers
Check sitemap URLs for 404 errors, redirects, redirect chains, and noindex headers using an Apify Actor.
$claude mcp add --transport http sitemap-url-health-checker https://mcp.apify.com/?tools=lineagersiui/sitemap-url-health-checker
Lets an AI client discover Kujo projects, primitives, agent skills, workflows, and installation guidance through a read-only catalog.
$claude mcp add --transport http kujolang-mcp https://mcp.kujolang.ai/mcp
Performs adversarial testing for AI agents that handle financial transactions by running controlled failure scenarios and providing sealed verdict reports.
$claude mcp add --transport http argus-agent-test-lab https://console.argus-lab.tech/mcp
Provides AI agents with deterministic tools for arbitrary-precision math, date arithmetic, unit conversion, networking calculations, and token counting.
$claude mcp add polymath-megablaster-mcp -- npx -y polymath-megablaster-mcp
Checks whether OpenAI-compatible endpoints publish model pricing information without requiring authentication or an API key.
$https://github.com/happy520ai/gateway-price-check/releases/download/v0.5.8/gateway-price-check-mcp.mcpb
Enables AI agents to interact with web pages using mobile device emulation, layout diagnostics, and automated interaction flows.
$claude mcp add bezlo -- npx -y bezlo-mcp
Provides a verification layer for the agentic web by analyzing robots.txt policies, crawler identities, and content quotability for AI agents.
$claude mcp add --transport http crawlcheck-core https://crawlcheck.io/mcp
Enables AI clients to interact with your Mac by reading files, editing code with hash-checked writes, and executing terminal commands.
$https://github.com/cynarax/bridge-by-ganado/releases/download/v0.2.0-preview.0/ganado-bridge-0.2.0-preview.0.mcpb
Prevents hardcoded secrets, multi-tenant data leaks, unsafe migrations, and broken documentation links during code development and CI.
$claude mcp add bouncer-gates -- npx -y bouncer-gates
Provides local, read-only structural code navigation and bounded dependency analysis for source repositories to coding agents.
$https://github.com/ZaguanLabs/atlas-scout-mcp/releases/download/v1.0.0-preview.30/bitlantern-mcp-1.0.0-preview.30-aarch64-apple-darwin.mcpb
Performs accessibility audits using axe-core and generates fix prompts for AI coding tools to repair WCAG A/AA violations.
$claude mcp add scandiary-cli -- npx -y scandiary
Analyzes local AI usage metadata to calculate token processing metrics and provides tools to publish signed telemetry to a public leaderboard.
$claude mcp add sigrank-mcp -- npx -y sigrank
Builds a deterministic audit graph of codebases to identify high-value test work and generate repository-native test plans.
$claude mcp add repo-test-architect -- npx -y repo-test-architect
Analyzes Supabase Row Level Security policies to identify exposed or safe tables and provides explanations in Arabic for non-technical founders.
$claude mcp add rls-check -- npx -y muhandis-rls-check
Provides structural analysis tools for AI agents to understand code impact, call graphs, and symbol relationships without using LLM tokens.
$claude mcp add codeweb -- npx -y @ghostlygawd/codeweb