sigrank-mcp: Instructions file for Codex

AGENTS.md

sigrank-mcp AGENTS.md is an instructions file for Codex, OpenCode from SunrisesIllNeverSee/sigrank-mcp. It costs 2,101 tokens per session, scanned A, original, MIT.

Project instructions for SigRank MCP, a command-line tool and MCP server for working with signature rankings. They document tests, local commands, alternative Bun commands, and the automatic publishing process.

In plain words
What is it for?
Installing dependencies, running tests and the local command-line tool, using Bun as an alternative runtime, and understanding the automated npm release workflow.
Why use it?
They provide the repository’s exact development and release rules, including how publishing is triggered and which manual actions are forbidden. This reduces errors when testing or releasing changes.

Instructions file for CodexOpenCode

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

This is SunrisesIllNeverSee/sigrank-mcp's own configuration. It tells Codex and OpenCode how to work on sigrank-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 sigrank-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to SunrisesIllNeverSee/sigrank-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/SunrisesIllNeverSee/sigrank-mcp/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/SunrisesIllNeverSee/sigrank-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.

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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 2,101 This file is loaded in full into every session.
When invoked 2,101 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 $0.02101 $0.02101
Opus 5.5 $0.00840 $0.00840
Sonnet 5.5 $0.00420 $0.00420
Haiku 4.5 $0.00210 $0.00210

Measured 17d ago against content hash 5fa1fe34e064, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sigrank-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 17d 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 · 210 lines

How it starts

The opening of the file, as written. The whole thing — 210 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SigRank MCP — Agent Rules

Quick reference

What Command
Unit tests node test.mjs (313 assertions)
Signing tests node --test __tests__/sign.test.mjs
Run CLI locally node index.mjs (TUI if TTY, MCP server if piped)
Install deps npm install

Bun (faster alternative): All commands work with Bun (~10-30x faster):

What Bun command
Install deps bun install
Unit tests bun test.mjs
Signing tests bun test __tests__/sign.test.mjs
Run CLI locally bun index.mjs
Run published CLI bunx sigrank (same as npx sigrank but faster)

Bun is installed at ~/.bun/bin/bun (v1.3.13). It reads the same package.json and package-lock.json — no migration needed. Use bunx instead of npx for one-off package execution.

Publishing

Explicit release only (2026-10-05). .github/workflows/publish.yml never fires on push-to-main or CI completion. A release happens only via:

  • Dispatch release (preferred): Actions → "Publish to npm + MCP Registry" → Run with dry_run=false. The job bumps the patch across all four versioned files (package.json, package-lock.json, server.json, manifest.json), merges the bump PR, runs the full test gate on the merged commit, tags THAT commit v1.0.x, then publishes that exact tree to npm and the MCP Registry.
  • Manual tag (alternative): push v1.0.x pointing at a commit whose package.json already equals that version — the publish job refuses mismatched tags (ordering invariant: a tag must point at the versioned commit, never the pre-bump tree).
  • Dry run: dispatch with dry_run=true validates the pipeline without releasing. Registry repair: dispatch with registry_only=true republishes server.json to the MCP Registry after an npm-propagation race.

npm auth is OIDC trusted publishing (no NPM_TOKEN; npm CLI >= 11.5.1 pinned in-workflow). MCP Registry auth is GitHub OIDC. The app auto-syncs MCP_VERSION by checking npm daily — no dispatch needed.

Read the full file on GitHub · 210 lines

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. 17d ago Changed · +22 lines · +295 tokens per session 5fa1fe34e064
  2. 1mo ago Changed · +9 tokens per session 6deb016c97dc
  3. 1mo ago Changed · +87 lines · +723 tokens per session b238cee57301
  4. 1mo ago First seen · 101 lines · 1,074 tokens per session scan A 0c072e4c2dd0

Subscribe to this mod's changes

sigrank-mcp AGENTS.md is an instructions file published in the GitHub repository SunrisesIllNeverSee/sigrank-mcp (0 stars, last pushed yesterday), licensed MIT. It adds 2,101 tokens to every session, about $0.0084 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 2026-08-31.

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