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AgentBill MCP

@marketinglior-pixel

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About AgentBill MCP

Preflight spend control for AI agents. Block runaway agent loops before they start - not after the bill arrives. Per-request cost ceilings, budget checks, and outcome-based metering in 2 MCP tool calls.

#billing#agents#spend-control#preflight#langchain#openai#llm#cost-control

Basic information

Category

Other

Transports

stdio

Publisher

marketinglior-pixel

Submitted by

liorco555

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "agentbill": {
      "command": "uvx",
      "args": [
        "agentbill-mcp"
      ],
      "env": {
        "AGENTBILL_API_KEY": "your-api-key"
      }
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is AgentBill MCP?

AgentBill MCP is a preflight gate for AI agent runs. It blocks runaway loops before they start by enforcing a budget ceiling at the invocation level.

How to use AgentBill MCP?

Install the SDK with pip install agentbill-sdk. Configure the client with an API key, then call preflight() before an agent run and record_event() after to log usage. Two tool calls are required: one to check budget, one to record the cost.

Key features of AgentBill MCP

  • Blocks runaway loops before they cause damage
  • Budget enforcement at the invocation level, not monthly
  • Simple two-tool workflow: preflight() then record_event()
  • Free tier: 1,000 preflight calls per month
  • No credit card required for free tier

Use cases of AgentBill MCP

  • Prevent a single long-running research loop from blowing your budget
  • Enforce per-agent-run cost ceilings for AI agents
  • Add budget checks before any expensive agent action
  • Replace blunt monthly caps with granular per-invocation control

FAQ from AgentBill MCP

How is AgentBill MCP different from monthly caps?

Monthly caps don't catch a bad single run. One 3-hour research loop can blow your budget before the cap triggers. AgentBill enforces a ceiling at the invocation level.

How does it work?

Call preflight() before the agent runs to check the budget. If approved, the agent runs. Then call record_event() to log usage for billing.

What is the free tier?

1,000 preflight calls per month are free. No credit card required.

How do I get an API key?

Get your API key at https://agentbill.fly.dev/register.

How do I install AgentBill MCP?

Install with pip install agentbill-sdk.

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