# Token Lens

> Use this tool when you need to optimize AI agent performance by reducing token usage and costs. Token Lens analyzes context window token usage, measures prompt token footprints, and suggests compression strategies to maximize effective context utilization. It is ideal for developers looking to fit more meaningful context within model limits and reduce expenses.

Canonical page: https://skillsregistry.net/skills/mdfifty50-boop-token-lens  
JSON: https://api.skillsregistry.net/v1/skills/mdfifty50-boop-token-lens

## Description

Token Lens analyzes and optimizes context window token usage for AI agents. It audits tool definitions, measures prompt token footprints, and suggests compression strategies to maximize effective context utilization. The server helps developers reduce costs and fit more meaningful context within model limits.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/mdfifty50-boop-token-lens)
- **Repository:** <https://github.com/mdfifty50-boop/token-lens-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "mdfifty50-boop-token-lens"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/mdfifty50-boop-token-lens` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/mdfifty50-boop-token-lens/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt