MCP servers for Claude Desktop

MCP server for Rebrickable: LEGO sets, parts, colors. Free key.

MCP server for Twitch: top games, live streams, users. Needs free API credentials.

Explore and query TimeBase streams, schemas, QQL, symbols, and server status via MCP.

Know if you can trust your MCP server. Trust judgment for AI agents.

Deterministic, read-only audits of repo readiness for AI coding agents and of agent context files.

MCP server for semantic search across Apple Mail, Messages, and Calendar

CommaFeed RSS reader entries, tags and subscribe.

ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.

Offline, keyless lookup of the US civil aircraft registry — decode N-numbers, search records.

Multi-URL comparative content analysis with topical gap detection

Offline MCP korpus prawa francuskiego (Legifrance/DILA) - verbatim + grounding cytatu

Extended Gmail MCP server via gogcli — auth + full Gmail support (threads, labels, drafts, attachments, forward, autoreply, bulk operations)

Read-only MCP server for the OpenAI Ads API: campaigns, ad groups, ads, and insights.

Genome lookup from Ensembl. No key required.

Read the crypto fear and greed index from alternative.me. No key required.

Helius Solana API: balances, transactions, NFTs, token metadata.

AI agents build, train, and analyze BCI/EEG pipelines: data, models, experiments, live sessions.

Can this LLM run on my GPU? VRAM, speed ceiling and what fits instead, for any model and GPU.

Nonlinear Calendar: this year’s months fold onto the previous 12 years. No key to try.

Fetch public X posts and threads; count and split text with X's real rules. No login, no tracking.

x402 pay-per-call Solana data + crypto market + JWT/unit utils for AI agents.