OpenExecutive: Skill for Claude Code

.claude/skills/openexec-api/SKILL.md

openexec-api is a skill for Claude Code from SenteLabsAI/OpenExecutive. It costs 0 tokens per session (2,075 once invoked), scanned A, original, Apache-2.0.

A skill for sending requests to the Open Executive FastAPI backend, a Python web service that provides HTTP endpoints. It supports the development server and a local server.

In plain words
What is it for?
Use it to call endpoints such as chat, today, people, scheduled actions, architecture, health, fixtures, and audit.
Why use it?
It gives an agent the authentication details and endpoint guidance needed to interact with that backend correctly.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is SenteLabsAI/OpenExecutive's own configuration. It tells Claude Code how to work on OpenExecutive 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 OpenExecutive configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is -H "x-caller-assertion: $(uv run --with cryptography python scripts/mint-caller-assertion.py GET /today)".

About the project

OpenExecutive is an AI-based virtual executive team that presents one executive persona while using specialist agents for areas such as strategy, finance, people operations, legal work, and operations. It is intended for leaders and managers who need support with decisions, governance, approvals, workplace knowledge, and drafting communications for review. The catalogue contains skills, hooks, a setting, an agent, and an instruction for working with OpenExecutive.

SenteLabsAI/OpenExecutive · 5,703 stars · on GitHub · openexecutive.ai

Reuse

Borrowing it

Nothing to install: this file belongs to SenteLabsAI/OpenExecutive. 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/SenteLabsAI/OpenExecutive/main/.claude/skills/openexec-api/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/SenteLabsAI/OpenExecutive

Made for: Claude Code.

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README.md
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Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,075 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00000 $0.02075
Opus 5.5 $0.00000 $0.00830
Sonnet 5.5 $0.00000 $0.00415
Haiku 4.5 $0.00000 $0.00208

Measured 28d ago against content hash 3739d21ed77f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

openexec-api 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 28d 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.

description: Interact with the Open Executive FastAPI backend via curl. Use this skill when the user asks to hit /chat, /today, /people, /scheduled_actions, /architecture/*, /health/*, /fixtures/*, /audit/*, or any HTTP
.claude/skills/openexec-api/SKILL.md · 153 lines

How it starts

The opening of the file, as written. The whole thing — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.

openexec-api

Curl recipes against the FastAPI backend — for hitting HTTP routes, not for inspecting SQLite or tailing logs on a host.

Base URLs

export OE_API=http://localhost:8000   # local (`make dev` must be running) — the default
export OE_API=https://<your-host>     # a deployed environment

All recipes below use $OE_API. If it is unset and the user doesn't specify, assume http://localhost:8000.

Auth

-H "x-api-key: $BACKEND_SHARED_SECRET"

Rules:

  • Never expand $BACKEND_SHARED_SECRET into the literal value in commands you print, in PRs, or in commit messages.

  • Never write the value to a file. Do not read from .env to "help" — if the env var isn't exported, ask the user to export it before proceeding.

  • For routes that vary by caller, optionally add -H "x-caller-email: <user's-own-email>". Never put someone else's email there — the backend uses that header to resolve the caller's Person row and pull their per-person Honcho memory.

  • Signed callers. When the API has CALLER_ASSERTION_PUBLIC_KEYS set, a bare x-caller-email is refused (401 caller_assertion_required), and a request with only x-api-key is a service that is never the owner. Owner-only routes refuse it. Then ask the user to export the UI's CALLER_ASSERTION_PRIVATE_KEY and sign each request instead of sending x-caller-email. Treat that key like the shared secret: never expand, print or store it.

    -H "x-caller-assertion: $(uv run --with cryptography python scripts/mint-caller-assertion.py GET /today)"
    

    Each assertion covers one request: the same method, the exact path and query, within 30 seconds, once. So mint one per call. It signs as the operator (the owner); --email <user's-own-email> signs as that user.

Safety tiers

  • Green — auto-run. All GET requests, and the cheap idempotent regenerate POSTs.
  • Yellow — confirm once per session. Writes that change durable state but are reversible (e.g. archiving a Person, deleting a scheduled action).
  • Red — print the curl, wait for explicit "go," no chaining. POST /fixtures/reset, POST /fixtures/{name}/load, POST /fixtures/unload, POST /fixtures/snapshot, POST /chat (impersonates the user — generally don't invoke from Claude).

Read the full file on GitHub · 153 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. 28d ago Changed · +7 lines 3739d21ed77f
  2. 1mo ago Changed 44c63a6767bf
  3. 2mo ago First seen · 146 lines · 0 tokens per session scan A 4b2485bfa3ad

Subscribe to this mod's changes

openexec-api is a skill published in the GitHub repository SenteLabsAI/OpenExecutive (5,703 stars, last pushed today), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 2,075 tokens. 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 2026-08-30.