# PHION Evidence Engine (phion.systems)

Fetches a public web source for AI agents, screens it for prompt injection, and returns an Ed25519-signed receipt of the observed content.

- Atlas card: https://inite.ai/en/atlas/phion.systems
- Site: https://phion.systems
- For: AI agents and developers who need signed, verifiable evidence from public web sources
- Categories: agents
- Use 0/100 · alive 100/100

## Used for

- fetch a public web source and screen it for prompt injection
- hash normalized observations and issue ed25519 signed receipts
- verify evidence receipts offline without network access

## Price

Not read yet.

## For developers

- OpenAPI: https://phion.systems/openapi.json (175 paths)
- MCP server: systems.phion/evidence-engine (namespace; open on 2026-10-26, 1 tools)
- Read 2026-10-26

## MCP server, measured daily

Server: https://phion.systems/mcp/task, checked every day since 2026-10-26 (1 checks).

- Answered: measuring, 1 daily checks so far
- Median first answer: 258 ms
- Sign-in: none
- Context its tool definitions take: about 381 tokens (1 tools)
- Tool definitions: B, 83/100
- Failing "params_described": 1 of 1 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-26

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Source: INITE Atlas, https://inite.ai/en/atlas/phion.systems. JSON: https://inite.ai/api/atlas/phion.systems. MCP: https://inite.ai/api/mcp (atlas_lookup).