"Finding LinkedIn users by educational background" matching MCP connectors:

Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.

Goal decomposition where every "done" is proven by evidence and checked by a judge.

CatchAll is a web search API built for comprehensive event retrieval — not ranked results, but all matching records.

Connect your espresso routine to your AI assistant. This MCP server allows LLMs to act as a personal coffee coach by accessing your shot logs, grinder settings, and active bean inventory. Use it to automatically calculate extraction adjustments, track remaining coffee supply, and lock in winning recipes directly from your chat session.

Secureship MCP gives AI assistants access to a multi-carrier shipping API covering rate comparison, label generation, package tracking, pickup scheduling, address book management, shipment history, customs documents, and more — across carriers like UPS, FedEx, Purolator, Canpar, and others. Browse 150+ live endpoint schemas, parameters, and auth details — always current, never stale.

Protein research over UniProtKB — search by function, fetch curated records, map IDs, proteomes.

Look up allele frequencies by ancestry, gene constraint, variants, and coverage over gnomAD.

Search Greek job listings on Jobily.gr by role, location, sector or company. Anonymous, read-only.

Educational MCP server with 17 math/stats tools, visualizations, and persistent workspace

Counts tokens under OpenAI-compatible (tiktoken) encodings, by model or encoding name.

Educational Weather Stats MCP Service — Tollbooth DPYC monetization sample

A fully free linter for agent skill files: lint_skill validates YAML frontmatter, structure, size budgets, and safety phrasing with a pass/fail verdict; packaging_check validates zip layout against marketplace rules; plus regex_test, json_validate, diff_texts, and cron_explain for skill authors. No license or account required.

Search and load from 138 production agent personas and skills. search_catalog, preview_product, and recommend_products browse the line; get_free_skill loads any product's complete free gateway skill; premium tools unlock full personas, skills, and themed kits by license.

Free AI-powered DXP tools by Oshyn: GEO & Reliability scan, Choose New DXP and Estimate DXP Budget.

Continuous website testing by Validoria — monitor security, SEO, performance, and accessibility.

B2B people and company data for AI agents. Search 700M+ professionals by role, company, and industry. Reveal verified work emails and direct phone numbers inline. Free to search, 1 credit per verified reveal. Supports Claude Desktop, Claude Code, Cursor, and any MCP client.

The prediction MCP — score your prompt before you generate, so you never waste a credit.

Find personalized puzzle books by first name from a 100,000+ title Shopify catalog.

Search jobs on NextJobz by keyword, location, work type, salary, and experience level.

Live vehicle warranty (service contract) quotes by VIN, plate, or make/model/year.