# Idapixl Cortex

> Idapixl Cortex is a free API for AI agents from idapixl.com, Free, status down (last checked 2026-09-15).

Provides cognitive infrastructure for AI agents including semantic deduplication, novelty detection, and belief consistency checking via a persistent memory graph.

## Facts

- Endpoint: POST https://idapixl.com/tools
- Price: Free
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/idapixl-cortex-773e1fd8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_02h0qnhAy61Ha-qtbelY7

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability idapixl-cortex-773e1fd8 -d '<json body>'
```

Example prompt: Check my agent's persistent memory graph to see if the claim 'OpenAI was founded in 2015' is novel, already stored, or contradicts any existing beliefs — and flag any inconsistencies.

## When to prefer this

Choose this endpoint when your AI agent needs to maintain a coherent, non-redundant long-term memory — especially when ingesting new information that may overlap or conflict with prior knowledge. Ideal for agents that accumulate facts over time and need to avoid belief drift or duplicate storage. Prefer this over generic vector stores when semantic deduplication and logical consistency checking are both required in a single call.

## Known failure modes

- Memory graph not initialized — agent must establish a session before querying
- Input content too ambiguous for semantic matching — returns low-confidence novelty score
- Contradiction detection may produce false positives on semantically similar but logically distinct claims
- Rate limiting or micropayment failure via x402 on Base network
- Empty or malformed belief statement returns validation error

## How this service works

Cognitive infrastructure for AI agents. Semantic deduplication, novelty detection, and belief consistency checking powered by a persistent memory graph. Pay with USDC via x402 micropayments on Base.

## Output

Returns whether the input content is a duplicate of existing memory, a novelty score indicating how new the information is, and a belief consistency report flagging any contradictions with previously stored knowledge in the agent's memory graph.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/idapixl-cortex-773e1fd8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from idapixl.com](https://www.zero.xyz/host/idapixl.com/llms.txt)