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TokenZero

MCP server · hosted · installable · v0.2.2 · io.github.tokenzero-ai/tokenzero
Online · tested 3h agoNEW · 4h agoSeen in the registry 3h ago

LLM cost optimization gateway, repo token-waste auditor & model arbitrage MCP server.

Website ↗Source code ↗How to connect ↓

What it does

TokenZero is an MCP server, a connector that lets an AI assistant use it as a tool. It can be used hosted (nothing to install) or installed locally.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES
Local installYES
Version0.2.2
Packagesnpm
PriceNot in the registry
First seen26 Oct 2026
Last checked3h ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 3h ago (live check)

Hosted endpoint

  • https://api.tokenzero.sh/mcp streamable-http

In Claude Code: claude mcp add --transport http tokenzero https://api.tokenzero.sh/mcp

Install package

  • NPM @tokenzero/mcp v0.2.2 · runs locally (stdio)

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "tokenzero": {
      "url": "https://api.tokenzero.sh/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 3h ago

ONLINE TokenZero answered an MCP connection on 26 Oct 2026 and introduced itself as tokenzero 0.2.2 (MCP protocol 2025-06-18).

5 tools offered to AI assistants

  • audit_repo_token_waste · Static-analyze a public GitHub repo (owner/name) or a set of source files for LLM token waste: uncached static prompts, frontier models on extraction tasks, hot loops, non-deterministic repeat calls. Returns findings with fixes and an estim
  • optimize_prompt_payload · Rewrite an OpenAI Chat/Responses or Anthropic Messages request body so its static prefix is provider-cacheable (Anthropic cache_control breakpoints, OpenAI prompt_cache_key). Returns the optimized body, what changed, the token profile and t
  • calculate_model_arbitrage · Price a workload at list prices across models: cost per request and per month for the requested model, its cheaper sibling, and the effect of prompt caching. Pricing table version 2026-10-26.
  • provision_workspace · Create a TokenZero workspace and key with no form. Returns the key once, the base URLs that route through it (OPENAI_BASE_URL / ANTHROPIC_BASE_URL), the one-click dashboard link and the badge URL. Free up to the monthly free tier; nothing i
  • workspace_metrics · Live value scorecard for a TokenZero workspace: hard savings and net ROI per window, the four engines' contribution, speed, parity, availability and privacy posture, per-model breakdown and one-click recommendations. Needs the workspace key

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Hosted endpointhttps://api.tokenzero.sh/mcpDECLAREDSRC-001 Official MCP Registry3h ago
Local install (package)yesDECLAREDSRC-001 Official MCP Registry3h ago
Install package@tokenzero/mcpDECLAREDSRC-001 Official MCP Registry3h ago
Package registriesnpmDECLAREDSRC-001 Official MCP Registry3h ago
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registry3h ago
Websitehttps://tokenzero.shDECLAREDSRC-001 Official MCP Registry3h ago
Repositoryhttps://github.com/tokenzero-ai/tokenzeroDECLAREDSRC-001 Official MCP Registry3h ago
Registry statusactiveDECLAREDSRC-001 Official MCP Registry3h ago
Version0.2.2DECLAREDSRC-001 Official MCP Registry3h ago
MCP serveryesDECLAREDSRC-001 Official MCP Registry3h ago

Change history

  • CHANGED26 Oct 2026
    local install: no → yes
  • CHANGED26 Oct 2026
    local install: yes → no
  • CHANGED26 Oct 2026
    local install: no → yes
  • CHANGED26 Oct 2026
    local install: yes → no
  • CHANGED26 Oct 2026
    local install: no → yes
  • NEW26 Oct 2026
    first seen in the index

Is this page accurate?

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Are you the publisher of TokenZero?

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Questions about TokenZero

How do I connect TokenZero?

Use the hosted endpoint https://api.tokenzero.sh/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does TokenZero offer?

When Electra Index connected on 26 Oct 2026, it listed 5 tools: audit_repo_token_waste, optimize_prompt_payload, calculate_model_arbitrage, provision_workspace, workspace_metrics. The full list is in "Live check" above.

Is TokenZero online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 3h ago.