Skip to content
Back to the index

toolbill

PyPIInfrastructure

No liveness check has reached it yet; it is registered on GitHub and PyPI and has been in the index since 11 Oct 2026. How this is checked

toolbill is an open-source developer utility for measuring the token cost of MCP server tool definitions. It helps developers audit tool schemas and understand their context-window usage when building MCP integrations.

Inferred · not functionally tested

Open SourceMITCLIAPISelf-hosted
Visit PyPI

Overview

4 features

Purpose: Estimating how much context-window space MCP server tool definitions consume.

Inferred · not functionally tested

Audience: developers building MCP servers and AI tool integrations

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: indicated (inferred, not tested) · MCP: indicated (inferred, not tested) · CLI: indicated (inferred, not tested) · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: open_source · license: MIT · platforms: CLI · deployment: cli, api_only, self_hosted

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: pypi.org · github.com. These links do not verify the individual claims.

In the AI security & guardrails space, toolbill takes a focused approach. Inferred · not functionally tested: It focuses on estimating how much context-window space MCP server tool definitions consume. Inferred · not functionally tested: It is built as an open-source project for developers building MCP servers and AI tool integrations. Basis unknown · not verified: The project is open source (MIT). Basis unknown · not verified: It ships for the command line and API, and it can be self-hosted.

It is developed by Radmo3, and it first shipped in 2026. Development happens publicly on GitHub with 10 commits in the last 90 days. Inferred · not functionally tested: Among its 4 catalogued features are token counting, MCP tool analysis, and context usage estimates. Inferred · not functionally tested: Catalogued interfaces include an MCP server.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Token counting
  • MCP tool analysis
  • Context usage estimates
  • Tool definition auditing

Topics: Inferred · not functionally tested

Tags
mcp-toolingtoken-cost-analysiscontext-window-managementtool-definition-auditing

JSON profile · Text profile · Access guide

Built with & integrations

Connectors
MCP
Runs on
CLIAPI-onlySelf-hosted

Trust & compliance

License
MIT
Public signals
HTTPSOpen SourceFree tierGitHubActive maintenance

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed11 Oct · 16:58 UTC
    toolbill seen via PyPI Bulk Enumerator
    Source: PyPI Bulk Enumerator · Open

Frequently asked questions about toolbill

What does toolbill do?
Inferred · not functionally tested: Toolbill focuses on estimating how much context-window space MCP server tool definitions consume. It is catalogued under AI security & guardrails on PulseGate.
Who should use toolbill?
Inferred · not functionally tested: toolbill is an open-source project built for developers building MCP servers and AI tool integrations.
Is toolbill free?
Basis unknown · not verified: Yes — toolbill is open source under the MIT license and free to use.
What platforms does toolbill run on?
Basis unknown · not verified: toolbill runs on the command line and API. It can also be self-hosted.
Is toolbill still maintained?
The GitHub repository shows 10 commits in the last 90 days.
What projects are similar to toolbill?
Similar projects tracked by PulseGate include mcpwatch, tokenbill, and toolprint.mcpwatchtokenbilltoolprint
Who makes toolbill?
toolbill is developed by Radmo3.
How long has toolbill been around?
toolbill first shipped in 2026.

Similar projects

Closest matches by what these projects do