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[ARTICLE · art-19107] src=overslash.com pub= topic=ai-agents verified=true sentiment=↑ positive

Show HN: Overslash – an auth gateway for AI Agents

Overslash, an open-source authentication gateway for AI agents, launched today as a centralized control point for managing agent permissions across services like GitHub and AWS. The tool allows developers to approve, deny, or remember agent actions, with sub-agents inheriting rules from parent agents and human approvals required for unknown scopes. Available as a self-hosted option under the Elastic License 2.0 or a hosted cloud service with free personal accounts and €3-per-seat team plans, Overslash aims to eliminate the need for agents to hold credentials directly.

read2 min publishedMay 31, 2026

One gateway to every service your agent touches. You decide: deny, approve once, or approve all.

deploy-bot

to create a pull request?github:create_pull_request:overfolder/app

agent:research-bot

fetched github:list_repos

— bubbled to henry

agent:ci-runner

denied aws.s3.delete_object

Overslash sits between agents and the outside world. It handles secrets, OAuth, MCP, permission chains, human approvals, and authenticated HTTP execution. The agent doesn't hold keys. You don't hold your breath.

Every agent gets an identity, a parent, and a blast radius. Sub-agents inherit rules from their parent — until you narrow them.

The first time an agent wants a permission, you approve or deny. Allow & Remember at the scope ladder you choose.

One place for client IDs, tokens, signing keys. Rotate, revoke, per-agent. No credentials ever touch the agent's context window.

Every call, every bubble-up, every deny. Streaming, searchable, exportable.

Enroll any MCP client in a click — Claude Desktop, your own. Overslash brokers the tools, the credentials, and the approvals. The agent just asks.

A sub-agent bubbles up to its parent when it hits an unknown scope. Parents bubble to humans. Denials are first-class and recorded.

Any MCP-capable agent — Claude Code, Overfolder, OpenClaw, or your own — connects to Overslash once. Overslash holds the credentials, enforces the rules, and hands each service an authenticated, audited request.

First-class templates for the things agents actually touch. And a generic http

service for anything else you can point a URL at.

Three ways to use Overslash. Self-hosted gives you everything for free. Your Personal org on Cloud is free, forever. When you want to bring colleagues, create a Team org at €3 per seat.

Run it yourself. Full features — no gating, no license keys, no telemetry. Elastic License 2.0.

A hosted Personal org, just for you. Always free, no card required.

Create Team orgs and bring your colleagues. Every seat €3. Your own Personal org stays free.

The gateway core is licensed Elastic 2.0. The services registry — the part the community contributes to — is MIT. No telemetry. No phone-home. Written in Rust and SvelteKit.

$ git clone https://github.com/overfolder/overslash
$ cd overslash
$ make install
$ overslash web

Paste the block below into Claude, Cursor, Open Interpreter, or any MCP-capable agent. It will follow the skill, enroll itself under your Overslash account, and ask you for permissions as they come up.

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