0.1.1

agentcap

agentcap is a cost guardrail for LLM agent runs. It calculates safe token limits before execution and enforces strict budget ceilings using real usage data.

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Github: https://github.com/OliverIida/agentcap

PyPI: https://pypi.org/project/agentcap/

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Install

pip install agentcap

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Example usage

from agentcap import AgentCap

prompt = "Write 2 lines about Tallinn."

cap = AgentCap(
    model="gpt-5",
    budget_usd=0.05,
)

plan = cap.plan(prompt_text=prompt)

# Pass plan.max_output_tokens into your LLM call

actual_cost = cap.finalize(
    prompt_tokens=response_prompt_tokens,
    output_tokens=response_output_tokens,
)

print("Actual cost (USD):", actual_cost)

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Documentation

https://github.com/OliverIida/agentcap/blob/main/DOCUMENTATION.md

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Supported models

https://github.com/OliverIida/agentcap/blob/main/agentcap/models.json To add more models, open a PR.

Note: Prices may change. Please verify with the provider.

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Model pricing sources

OpenAI pricing: https://developers.openai.com/api/docs/pricing?latest-pricing=standard
Anthropic pricing: https://platform.claude.com/docs/en/about-claude/pricing
Gemini pricing: https://ai.google.dev/gemini-api/docs/pricing#standard