ingestion-gate

ingestion-gate is a skill for Claude Code, Codex from msolecki/founder-os. It costs 41 tokens per session (2,078 once invoked), scanned A, original, MIT.

A checking step for information that comes from outside the workspace, such as calls, emails, Slack messages, or memory. It records whether each claim is accepted, needs validation, or should be disregarded, along with its source and date.

In plain words
What is it for?
Use it before writing outside claims into official workspace files.
Why use it?
It stops unverified statements from becoming treated as facts in the company's records.

Skill for Claude CodeCodex

Written for Claude Code and Codex: shipped in a Claude Code plugin, but also agents/openai.yaml present.

Part of the founder-os plugin — 57 skills, 13 agents, 4 hooks, 1 MCP server shipped together

Good fit Use it before writing outside claims into official workspace files.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/msolecki/founder-os/ingestion-gate
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.

Any agent
npx skills add msolecki/founder-os --skill ingestion-gate
Clone the repo
git clone --depth 1 https://github.com/msolecki/founder-os

Made for: Claude Code, Codex.

Or install founder-os, the plugin that ships this one along with the rest of its 57 skills, 13 agents, 4 hooks, 1 MCP server.

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 ingestion-gate

README.md
[![agentmods](https://agentmods.dev/badge/skills/msolecki/founder-os/ingestion-gate/github.svg)](https://agentmods.dev/skills/msolecki/founder-os/ingestion-gate)
Your own site
<a href="https://agentmods.dev/skills/msolecki/founder-os/ingestion-gate"><img src="https://agentmods.dev/badge/skills/msolecki/founder-os/ingestion-gate/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for ingestion-gate

Your own site · 80×15
<a href="https://agentmods.dev/skills/msolecki/founder-os/ingestion-gate"><img src="https://agentmods.dev/badge/skills/msolecki/founder-os/ingestion-gate.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,078 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00041 $0.02078
Opus 5 $0.00020 $0.01039
Sonnet 5 $0.00008 $0.00416
Haiku 4.5 $0.00004 $0.00208

Measured 9d ago against content hash 0b0e071f5776, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

ingestion-gate 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 9d 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.

founder-os/skills/ingestion-gate/SKILL.md · 158 lines

How it starts

The opening of the file, as written. The whole thing — 158 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Ingestion Gate

Every agent in this company carries this skill. It is house rule 5 — tier what comes in, and stamp where it came from — turned from a preference into a check that runs before the write.

state-integrity asks whether you are allowed to write this file. This asks whether what you are about to put in it is true. Different questions, and passing the first says nothing about the second: the CFO owns metrics.md outright, which makes the CFO the only agent in the company able to write a fiction into the file every other agent quotes.

That is the whole failure mode. A claim arrives soft and conversational — "they said they'd pay by the 30th" — gets written once as a number, and by the third agent to read the file it is evidence. House rule 2 demands evidence over vibes. Without a gate on the way in, house rule 2 is a laundering machine: it does not stop the vibe, it requires the vibe to be written down first, after which it outranks anybody's memory of where it came from.

When to use

Before writing any claim that did not come from the workspace. A call, an email, a Slack thread, a prospect's enthusiasm, a number the founder recalls from memory, anything a tool scraped.

The loudest trigger: you are about to write a number you did not compute, or a noun phrase you did not observe. "Keen", "committed", "basically signed", "they have budget" — each is a claim about someone else's internal state, and you have never observed one of those in your life.

Not for arithmetic over claims already in the file — that is derived, and derived lines inherit their inputs (see Guardrails). Not for the founder's instructions to you; an instruction is not a claim.

Inputs

  • references/ingestion-gate.md — the tier definitions, the precedence ladder, the worked examples. Read it. This file is the procedure; that one is what the procedure operates on, and restating it here would produce a second copy that goes stale the first time the ladder changes.
  • The claim, with its speaker. If you cannot name who said it, when, and to whom, you are not at step 1 yet.
  • The target file's existing lines on the same subject — for step 6.

Read the full file on GitHub · 158 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 9d ago First seen · 158 lines · 41 tokens per session scan A 0b0e071f5776

Subscribe to this mod's changes

ingestion-gate is a skill published in the GitHub repository msolecki/founder-os (4 stars, last pushed 6d ago), licensed MIT. It adds 41 tokens to every session and 2,078 once invoked, about $0.0002 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 2026-08-31.

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