"Projects that showcase advanced GitHub repository search techniques" matching MCP connectors:

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.

Search domain availability and pricing, straight from chat, then open a link to register.

MarkupBase turns AI-generated Markdown and HTML into durable, versioned artifacts that people can review and discuss. Its MCP server lets agents publish new versions, preserve contextual comments, include hosted images, and respond to feedback through secure account-linked identities, creating a clear human review boundary without requiring real-time editing.

Search French and European case law and French legal texts (codes, statutes, treaties).

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Check if a task runs locally vs cloud. Save money on calls that don't need cloud inference.

Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.

Government tender search for AI agents. UK, EU and US procurement opportunities.

Persistent memory layer that saves and recalls your project context and preferences.

Search, preview, install community Codex pet packs, and discover the pet request flow.

The GVRN Incorporation MCP is a public Model Context Protocol (MCP) server that lets AI agents — on any LLM provider — collect and submit company incorporation requests to GVRN on a user's behalf. Every submission is reviewed by GVRN's corporate secretarial team, who follow up with the user by email. All fields are optional, so an agent can submit early with whatever the user has provided and let a specialist fill in the gaps.

Hosted no-auth MCP for exact-spec packaging search, live price, stock, cart handoff, and no-match.

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.

CometChat docs search + implementation bundles: add chat, voice, video & moderation to your app.

MCP server for agent-run URL A/B testing. Create projects, allowlist domains, launch URL experiments, track conversions, and retrieve performance reports for customer-owned sites.

Search real hotels, get live per-night quotes, and check out — all in chat. Guest search and checkout-link tools need no sign-in; OAuth unlocks saved trips, booking management, and one-click checkout. Renders interactive results, hotel-detail, and checkout widgets.

Meta-search MCP for x402 agent-payable services -- find paid APIs across every registry.

Search scientific papers with structured experimental data from full-text studies

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