layerkit-author-map

layerkit-author-map is a skill for Claude Code, Codex from hariharapanigrahy/layerkit. It costs 20 tokens per session (870 once invoked), scanned A, original, MIT.

A procedure for drafting a vendor map: a file that connects a vendor's API fields and operations to a customer's needs. It uses research notes, API descriptions, command examples, or customer documentation as evidence.

In plain words
What is it for?
Use it to create a documented mapping for an integration, cite its sources, connect customer intents and fields to vendor data, and validate the proposal.
Why use it?
It prevents integrations from being based on guesses about what vendor fields or operations mean. The resulting proposal can be validated before submission.

Skill for Claude CodeCodex

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/hariharapanigrahy/layerkit/layerkit-author-map
Any agent
npx skills add hariharapanigrahy/layerkit --skill layerkit-author-map
Clone the repo
git clone --depth 1 https://github.com/hariharapanigrahy/layerkit

Made for: Claude Code, Codex.

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 layerkit-author-map

README.md
[![agentmods](https://agentmods.dev/badge/skills/hariharapanigrahy/layerkit/layerkit-author-map.svg)](https://agentmods.dev/skills/hariharapanigrahy/layerkit/layerkit-author-map)
Your own site
<a href="https://agentmods.dev/skills/hariharapanigrahy/layerkit/layerkit-author-map"><img src="https://agentmods.dev/badge/skills/hariharapanigrahy/layerkit/layerkit-author-map.svg" alt="Measured on agentmods" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 870 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
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 $0.00020 $0.00870
Opus 5 $0.00010 $0.00435
Sonnet 5 $0.00004 $0.00174
Haiku 4.5 $0.00002 $0.00087

Measured 5d ago against content hash 5cc5f554cd13, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

layerkit-author-map scanned grade A with 1 finding 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 5d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Author a **vendor_map** proposal only from cited evidence (research notes, OpenAPI, curl, customer docs).
skills/layerkit-author-map/SKILL.md · 95 lines

How it starts

The opening of the file, as written. The whole thing — 95 lines — stays where its author put it; the contents beside it link to each section on GitHub.

layerkit-author-map

Author a vendor_map proposal only from cited evidence (research notes, OpenAPI, curl, customer docs).

Protocol

  1. Prerequisites: layerkit-research-vendor answer sheet + layerkit-design-integration shape = linear or hybrid.

  2. Read OpenAPI/docs/curl evidence directly. Do not derive a map from operation names or schema property names alone; map only when vendor meaning and customer domain meaning are both evidenced.

  3. Explicit scaffold when you already know the mapping from evidence:

layerkit proposal write map \
  --vendor <vendor> \
  --out ./map-proposal.json \
  --source "Events API=https://docs.example.com/api/events|event_name is required" \
  --endpoint POST:/v1/events@https://api.example.com \
  --intent purchase:Purchase \
  --field user.email:user_data.em \
  --agent <agentId> \
  --validate
  • --source title=url is required (repeatable). Optional |excerpt after the URL.
  • Does not auto-submit. Next tip: layerkit proposal validate <file>.
  1. Or draft proposal JSON by hand:
{
  "schemaVersion": 2,
  "kind": "vendor_map",
  "id": "map-<vendor>-v1",
  "vendor": "<vendor>",
  "summary": "<what changed>",
  "authoredBy": "agent",
  "status": "draft",
  "createdAt": "<ISO>",
  "sources": [
    { "title": "...", "url": "https://...", "excerpt": "..." }
  ],
  "payload": {
    "vendor": "<vendor>",
    "version": "1",
    "status": "map_complete",
    "documentation": [{ "title": "...", "url": "https://..." }],
    "auth": { "type": "bearer", "notes": "..." },
    "endpoint": { "method": "POST", "path": "/...", "baseUrl": "https://..." },
    "intents": { "purchase": { "eventName": "..." } },
    "fields": [
      {
        "domain": "user.email",
        "vendor": "user_data.em",
        "transform": { "type": "processor", "processorId": "..." },
        "optional": true
      }
    ]
  },
  "maker": { "type": "agent", "id": "<agent>" },
  "changeLog": "Initial map from docs"
}
  1. Every auth type, endpoint, eventName, and field row must map to a sources[] excerpt (or nested processor sources).
  2. Missing evidence → omit the row and mark needs-evidence in summary/memory — do not invent.
  3. Validate + memory:

Read the full file on GitHub · 95 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. 5d ago First seen · 95 lines · 20 tokens per session scan A 5cc5f554cd13

Subscribe to this mod's changes

layerkit-author-map is a skill published in the GitHub repository hariharapanigrahy/layerkit (8 stars, last pushed 28d ago), licensed MIT. It adds 20 tokens to every session and 870 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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