11 of 17 routes returned a live 40211 CURATED ROUTESattester.dev
attester
Deterministic package existence for PyPI and npm, built from real published artifacts (never LLM guesses). Negative answers and typosquat-adjacency flags carry signed proof. $0.002 USDC per check.
17
resources
2
data sources
1
network identifiers
15
registry calls / 30d
RESOURCE SAMPLE · 17 OF 17
search all →POST
API-existence Oracle: package: POST /v1/package/exists
https://attester.dev/v1/package/exists
origin reachable
POST
MCP Manifest Drift Report: POST /v2/mcp/report
https://attester.dev/v2/mcp/report
origin reachable
POST
API-existence Oracle: signature: POST /v1/symbol/signature
https://attester.dev/v1/symbol/signature
origin reachable
POST
API-existence Oracle: symbol: POST /v1/symbol/exists
https://attester.dev/v1/symbol/exists
origin reachable