Cala
Cala turns internet chaos into structured, verified knowledge that AI agents and LLMs can call as a tool.
Integrations
MCP
https://api.cala.ai/mcp/
For more information about MCP and how it works, you can read more about it here.
Connect your agent to Cala’s MCP
You can use Cala via our MCP. To get started, you need to get an API key to authenticate your MCP client. Go to our Console and create a new API key.
Get Cala's API key
Create a free Cala account and get your API key.
With your API key in hand, you can connect your AI agent such as Cursor, Claude Desktop and others to our MCP server. Cala MCP connects AI agents to our knowledge search, including verified, structured and typed knowledge, as well as entities information.
- Cursor
- Claude Desktop
- VS Code
- OpenAI
- Other
Add to ~/.cursor/mcp.json:
{
"mcpServers": {
"Cala": {
"url": "https://api.cala.ai/mcp/",
"headers": {
"X-API-KEY": "YOUR_CALA_API_KEY"
}
}
}
}
For more information, follow their documentation here.
Available Tools
Here are the tools available to the Cala MCP:
knowledge_search
Search for verified knowledge using natural language queries. Returns trustworthy, verified knowledge with relevant context and matching entities.
knowledge_query
Search for verified knowledge using structured query syntax such as: startups.location=Spain.funding>10M.funding<=50M. Returns a structured response with matching entities.
entity_search
Search entities by name with fuzzy matching.
entity_introspection
Get the field schema for an entity by its UUID. Returns the available properties, relationships, and numerical observations you can use when querying an entity.
retrieve_entity
Retrieve information about an entity by its UUID.
TriggersQuery
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eBird MCP Server
Query rich bird observation data from the eBird API using natural language.
ClinicalTrials.gov
Search and retrieve clinical trial data from the official ClinicalTrials.gov API.
Brave Search
An MCP server for web and local search using the Brave Search API.
Slack Search
Search for messages and files within a Slack workspace using the Slack API.
Copus
Search human-curated content recommendations from real people who explain why resources are valuable - The Internet Treasure Map