plausible-mcp: Instructions file for Codex

AGENTS.md

plausible-mcp AGENTS.md is an instructions file for Codex, OpenCode from getsentry/plausible-mcp. It costs 265 tokens per session, scanned A, original, MIT.

A set of repository instructions for Plausible MCP, a server that connects AI agents to Plausible’s website statistics API. It explains which checks to run, where security and privacy guidance lives, and how the project is structured.

In plain words
What is it for?
Building and testing Plausible MCP changes, checking its Node and Cloudflare Worker code, and handling telemetry, configuration, authentication, and releases correctly.
Why use it?
It prevents incomplete validation when changes affect both the standard server and the Cloudflare Worker, and points contributors to the project’s privacy and deployment rules.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md.

This is getsentry/plausible-mcp's own configuration. It tells Codex and OpenCode how to work on plausible-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything plausible-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to getsentry/plausible-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/getsentry/plausible-mcp/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/getsentry/plausible-mcp

Made for: Codex, OpenCode.

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 plausible-mcp AGENTS.md

README.md
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Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Your own site · 80×15
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Per session 265 This file is loaded in full into every session.
When invoked 265 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 $0.00265 $0.00265
Opus 5.5 $0.00106 $0.00106
Sonnet 5.5 $0.00053 $0.00053
Haiku 4.5 $0.00026 $0.00026

Measured 2mo ago against content hash 5059eb41ef2f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

plausible-mcp AGENTS.md 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 2mo 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.

AGENTS.md · 14 lines

What it actually says

MCP server wrapping the Plausible Stats API v2. Two entry points — STDIO (src/index.ts) and a Cloudflare Worker (src/worker.ts) — so a change to shared code usually needs both checked.

Before calling a change green

pnpm build does not typecheck the Worker. worker.ts, env.ts and cf-access.ts use Workers globals rather than Node ones, so tsconfig.json excludes them and pnpm typecheck covers them through tsconfig.worker.json. Run both, plus pnpm test.

craft owns the version in package.json and every CHANGELOG.md line — leave both to the release pipeline.

Reference

  • Sentry, spans, metrics, or anything user-identifying — TELEMETRY.md, which owns the privacy posture: /mcp anonymous, /internal attributed.
  • Deploying, or the Worker's auth and endpoints — README "Self-Hosting". SENTRY_DSN stays an uncommitted secret; a hardcoded one once had forks of this public repo reporting into our Sentry project.
  • Scripts are in package.json, environment variables in README "Configuration", contributor procedure in CONTRIBUTING.md.
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. 2mo ago First seen · 14 lines · 265 tokens per session scan A 5059eb41ef2f

Subscribe to this mod's changes

plausible-mcp AGENTS.md is an instructions file published in the GitHub repository getsentry/plausible-mcp (50 stars, last pushed yesterday), licensed MIT. It adds 265 tokens to every session, about $0.0011 per session on Opus 5.5. 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.

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