mcp-analytics

mcp-analytics is a skill for Claude Code from JSONbored/metagraphed. It costs 135 tokens per session (4,632 once invoked), scanned A, original, AGPL-3.0.

A setup guide that adds PostHog usage tracking to a TypeScript, JavaScript, or Python MCP server. PostHog is an analytics service, and an MCP server provides tools that an AI client can call.

In plain words
What is it for?
Use it to instrument an MCP server and capture each tool call, stated intent, and failure as an analytics event.
Why use it?
It makes tool usage, agent intentions, and failures visible for analysis instead of leaving server activity unrecorded.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/jsonbored/metagraphed/mcp-analytics
Any agent
npx skills add JSONbored/metagraphed --skill mcp-analytics
Clone the repo
git clone --depth 1 https://github.com/JSONbored/metagraphed

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for mcp-analytics

README.md
[![agentmods](https://agentmods.dev/badge/skills/jsonbored/metagraphed/mcp-analytics.svg)](https://agentmods.dev/skills/jsonbored/metagraphed/mcp-analytics)
Your own site
<a href="https://agentmods.dev/skills/jsonbored/metagraphed/mcp-analytics"><img src="https://agentmods.dev/badge/skills/jsonbored/metagraphed/mcp-analytics.svg" alt="Measured on agentmods" height="20"></a>
Per session 135 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,632 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00135 $0.04632
Opus 5 $0.00068 $0.02316
Sonnet 5 $0.00027 $0.00926
Haiku 4.5 $0.00014 $0.00463

Measured 6d ago against content hash f48980928449, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

mcp-analytics scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/mcp-analytics/SKILL.md · 293 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 6d ago First seen · 293 lines · 135 tokens per session scan A f48980928449

Subscribe to this mod's changes

mcp-analytics is a skill published in the GitHub repository JSONbored/metagraphed (12 stars, last pushed 2d ago), licensed AGPL-3.0. It adds 135 tokens to every session and 4,632 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.