Tokencap, a tool for enforcing token budgets across AI agents in application code.
Raw Developer Origin & Technical Request
Hacker News
Apr 5, 2026
I built this after hitting the same wall repeatedly — no good
way to enforce token budgets in application code. Provider
caps are account-level and tell you what happened, not what
is happening.Two ways to add it: # Direct client wrapper
client = tokencap.wrap(anthropic.Anthropic(), limit=50_000)
# LangChain, CrewAI, AutoGen, etc.
tokencap.patch(limit=50_000)
Four actions at configurable thresholds: WARN, DEGRADE
(transparent model swap), BLOCK, and WEBHOOK. SQLite out of
the box, Redis for multi-agent setups.One design decision worth mentioning: tokencap tracks tokens,
not dollars. Token counts come directly from the provider
response and never drift with pricing changes.Happy to answer any questions.
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