MCP Servers 1,028

quantakrypto pqc-tools

io.github.quantakrypto/pqc-tools

A✓Verified

Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

Pubchem Server

io.github.cyanheads/pubchem-mcp-server

A✓Verified

Search PubChem compounds, properties, safety data, bioactivity, and cross-references.

Apibase

io.github.whiteknightonhorse/apibase

A✓Verified

327 tools, 92 providers.

AI-native ERP MCP: ES/EU fiscal compliance (VeriFactu/TicketBAI/Facturae), invoicing, tax, banking

Endiagram

io.github.dushyant30suthar/endiagram-mcp

B✓Verified

EN Diagram — structural verification for concurrent systems.

Secedgar Server

io.github.cyanheads/secedgar-mcp-server

A✓Verified

Query SEC EDGAR filings, XBRL financials, and company data through MCP.

Trainable non-fiction writing voice, presets, and an anti-AI-tells audit for Claude, via MCP.

IBGE Brasil MCP

io.github.SidneyBissoli/ibge-br-mcp

A✓Verified

MCP server for live, sourced Brazilian public data from the official IBGE APIs.

Litmus

io.github.polygraphso/litmus

B✓Verified

Grade MCP servers A to F with the open behavioral litmus.

Agent402.Tools: pay-per-call web tools

io.github.MikeyPetrillo/agent402

A✓Verified

Agentic Finance: 500+ tools for AI agents over x402 or MPP, free via PoW, or prepaid card credits

Tomba MCP Server

io.github.tomba-io/tomba-mcp-server

B✓Verified

MCP server for Tomba email finder, verification, and contact enrichment API

Sms

io.github.virtualsms-io/sms

B✓Verified

Real physical SIMs for AI agents: SMS verification and rentals.

Scholar Sidekick

io.github.mlava/scholar-sidekick-mcp

A✓Verified

Catch AI-fabricated citations (real DOI + fake title).

Tweetsave

io.github.zezeron/tweetsave-mcp

B✓Verified

Twitter/X analysis without token waste.

Emailens MCP

io.github.emailens/mcp

A✓Verified

Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.

Rendex: Rendering API for Images, PDFs & Content Extraction

io.github.copperline-labs/rendex-mcp

A✓Verified

Render HTML, Markdown, or URLs to images, PDF, or branded artifacts; extract and watch pages.

MCP server for Altmetric APIs - track research attention across news, policy, social media, and more

SwapWizard

io.github.DeFiRe-business/swapwizard-mcp

B✓Verified

Non-custodial DeFi for AI agents: swaps, concentrated liquidity (V3/V4) zaps + ranges, 5 EVM chains

Human Pages

io.github.human-pages-ai/humanpages

B✓Verified

Hire real humans for tasks agents can't do alone.

VULK

io.github.devjoaocastro/vulk-mcp-server

B✓Verified

Generate, edit, and deploy immersive 3D/WebGL web projects from any MCP assistant.

Self Inspect

io.github.ejentum/self-inspect-mcp

B✓Verified

Send a thought, get one metathought that makes your agent inspect its own assumptions.

Hebcal

io.github.hebcal/hebcal

A✓Verified

Model Context Protocol extension for Hebrew calendar

Scavio

io.github.scavio-ai/scavio-mcp

A✓Verified

Web search, page extraction and structured commerce, social and business data for AI agents

Commit — Supply Chain Risk Scoring

io.github.piiiico/proof-of-commitment

B✓Verified

Supply chain risk scoring for npm, PyPI, Cargo, and Go.