Who it is for
Developers building agents that need structured data derived from the web.
Overview
What Cala does
Cala turns web information into typed entities and clean query results that a program can consume, rather than returning links and raw text for something else to parse. Entity discovery and retrieval, natural language and structured output, and source references attached to answers are what the listing describes. The stated aim is determinism: the same query resolving to the same typed record instead of a fresh summary each time. It is reachable over MCP from Claude and other agent frameworks, five tools are claimed, and an account is required.
Tool surface
Five tools are claimed and the server declines to enumerate them without credentials, answering 401.
Availability
Where Cala is listed
Cala is listed in the Claude connectors directory only. Cala has no app under the same domain in the ChatGPT directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
The MCP server behind a Claude connector is usually the same server a ChatGPT app would need, so the absence is a distribution decision rather than a technical one.
Claude listing
In the Claude connectors directory
Cala publishes 5 tools to Claude, a deliberately narrow surface; only 22.3% of the 1,253 Claude-listed connectors expose fewer.
The median Claude-listed connector filed under Developer Tools publishes 13, so this one sits 8 tools below its bucket's median, 68th of 95.
It falls in the 4-6 tools band, which holds 16.2% of the Claude directory.
Cala publishes a remote MCP endpoint. Claude connects to it over HTTP; there is nothing to install locally.
Every connector in the Claude directory is remote, all 1,253 of them, so transport is not a differentiator there.
- Publisher
- Cala
- Verification
- Community-listed (61.5% of the Claude directory)
- Filed under
- Developer Tools
- Endpoint
-
https://api.cala.ai/mcp - Documentation
- Publisher setup docs
- Published tools
- 5 · 4-6 tools band
- Depth rank in Developer Tools
- 68 of 95
- Snapshot
- August 2026
Cala is community-listed in the Claude directory, the tier 770 of 1,253 connectors sit in (61.5%). It is the default for a self-published server, and says nothing either way about quality.
In the publisher's words
How Cala describes it
Cala is the knowledge layer for AI agents: it transforms noisy web information into structured, verified, and traceable data that models can use deterministically. Instead of returning links and raw snippets, Cala provides typed entities, clean query results, and source-backed answers that are ready for programmatic workflows. It supports natural-language and structured outputs, entity discovery and retrieval, and integrates through MCP so tools like Cursor and other agent frameworks can call it directly.
Quoted from the connector's own Claude directory listing as captured in August 2026. Node8 did not write it and does not vouch for it.
Nearby
Other Developer Tools connectors
commercetools Knowledge
commercetools documentation, API schemas and query validation
Claude
Sanity
Query and edit structured content in Sanity
Claude · ChatGPT
Steadybit
Chaos experiment design and execution against a Steadybit tenant
Claude
3Min API
REST API creation from a JSON schema
ChatGPT
Graffiticode
Task-specific generators driven by Graffiticode domain languages
Claude
incident.io
Incident declaration, on-call schedules, and response analytics
Claude
This is an independent catalogue entry compiled by Node8 from Cala's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Cala, and inclusion here is not an endorsement.
Want your company reachable inside ChatGPT and Claude?
Node8 builds MCP servers end to end: deciding which tools are worth exposing, the authentication and permission model, the review submissions, and the onboarding that gets them used. One server serves ChatGPT, Claude, and Microsoft Copilot.