"Railway" matching MCP connectors:

Cultural color intelligence. Every colour anchored to a person, a year, and a consequence.

Cultural color and colour intelligence API. Every colour anchored to a named person, a documented year, and a consequence. 34 archives spanning literary, cultural, pigment, and national traditions. Ask it what color could get you executed in the Ottoman Empire.

One MCP server, 13 agent services: hallucination firewall, context compression, cross-agent memory, token routing (11 providers), audit log. Free tier. Pay-per-use.

Stop re-explaining yourself to Agents. Give it the right context, right when needed.

ContextBook is an open-source MCP server that gives AI tools a persistent, searchable context library. Store information as Books and Pages, retrieve exactly what's needed via natural-language semantic search - injected on demand, not pre-loaded. Works with Cursor, Claude, Windsurf, and any MCP-compatible client. Self-hostable, MIT licensed.