PAYMENTS · RANK #24 OF 36
Alpaca is Legible to agents.
Discry independently scored how well an AI agent can discover and understand the Alpaca API from what’s public — measuring discovery and comprehension separately, not a single blended number.
Familiarity 64% · what a model knew before reading the docs
Discovery
61 / 100OpenAPI specfound at https://alpaca.markets/openapi.json but invalid: unparseablePartial
llms.txtoversized (>50KB)Partial
llms-full.txt1182078 tokensPass
AGENTS.mdno github org knownFail
.well-known/mcp.jsonpresent but malformedPartial
MCP registrysmithery match for "alpaca"Pass
robots.txt AI directivesparsed AI-bot rulesPass
Sitemapincludes docs pagesPass
Comprehension
63 / 100Factual recall1/2 passed
Absence honesty1/1 passed
Where agents fail
What HTTP header (exact header name) must carry the API credential on requests to this API? — 3/3 runs failed
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