Developer Tools MCP Servers

Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR.

MCP server for Proofpoint TAP — threat intelligence, forensics, quarantine, and email security.

Production readiness for vibe-coded apps. 52 checks for security, reliability, and performance.

Read-only source search and retrieval across configured GitHub repositories

Analyze .NET solutions: Generate Mermaid graphs, ERDs, class diagrams, and project metrics.

Read-only Nepali date, calendar, festival, Panchanga, and temporal verification tools.

Check a social post against a platform's real character limit: X, Bluesky, LinkedIn, Threads.

Self-hosted MCP server for time-series forecasting and tabular ML via foundation models.

Company data for Spain, France, the UK, Ireland, Poland and Norway — registry, KYB and sanctions.

Local MCP tools for crawler-readability and discovery-file diagnostics.

Safely manage repository-scoped issues across Linear, GitHub Issues, and Jira Cloud.

Official MCP server for pplog - a poem sharing service

Python MCP server for PostgreSQL database inspection and querying

Free invoice generator — create pre-filled invoice URLs with taxes, discounts, and 14 languages.

Local MCP voice coach with English pronunciation, grammar, and fluency feedback.

An API-complete MCP server to manage Prometheus-compatible backends.

Open-source MCP server for PrismHR. PEO workflow tools + Microsoft 365 connectors.

SWI-Prolog as a logic calculator for LLMs

Read Project Gutenberg books via MCP. Search, fetch metadata, and retrieve text in passages.

PowerBI REST API integration. Query workspaces, datasets, and execute DAX queries via MCP.

PostgreSQL MCP server with 203 tools, connection pooling, HTTP/SSE, OAuth 2.1, and tool filtering

Validate project data against NISTA standards, scheduling best practices, and custom rules

Parse and convert project data from 8 formats (MSPDI, P6 XER, NISTA, Jira, Monday, etc.)

MCP server for Power BI API integration