# Instinct (slim)

> Hosted personal assistant from Spear Street Technology, Inc., trading as Instinct, that a person texts or calls. It acts in connected accounts such as Google Workspace and on websites, including purchases and bookings.

- Full: https://www.anchorterminal.com/tools/instinct.md (~8,350 tokens) · this version ~1,830 tokens · JSON https://www.anchorterminal.com/tools/instinct.json · canonical https://www.anchorterminal.com/tools/instinct
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

**F · 11.4/100 · rank #984 of 986 · #20 in Personal assistants · not agent-ready · confidence low**


Assessment: The terms and privacy policy are specific about connected accounts, model training and the risks of autonomous actions, and security.txt is valid. No price, documentation, status page, changelog or programmatic interface is published, and customer content trains AI models unless the owner opts out.

## Facts

- Kind: Platform · vendor: Spear Street Technology, Inc. · category: Personal assistants · legal entity: Spear Street Technology, Inc. d/b/a Instinct · provenance 72/100
- Auth: OAuth or key · pricing: Paid · x402: no · licence: Proprietary service under Instinct's Terms of Service, which grant personal use only
- Probe metrics: not measured yet (probes haven't run)
- Channels: Text message and phone call, per the home page. The policies also name a web app at app.instinct.com, a Mac OS app and mobile apps. No other messaging app is named (https://instinct.com/; https://instinct.com/privacy-policy)
- Acts without asking: The privacy policy calls the assistant autonomous and says it may deal with third parties and make payments for the owner. The terms say confirmation requirements may apply to certain actions, with no list and no warranty. No approval setting is described on the public pages (https://instinct.com/terms; https://instinct.com/privacy-policy)
- Accounts: Google Workspace (Calendar, Gmail, Drive, Docs, Sheets, Slides, Tasks) through Google's APIs, with scopes not listed. Other sites by username and password the owner supplies, and purchases with the owner's payment method. Credential storage is not described (https://instinct.com/privacy-policy)
- Memory and deletion: Data from connected services is copied and indexed, and suggestions draw on earlier interactions. Indexed data is deleted at app.instinct.com/workspace and Google data by deleting the account. No retention period is stated (https://instinct.com/privacy-policy; https://instinct.com/terms)
- Where it runs: On the vendor's servers, operated in the United States per the terms. Third-party large language models are used and their suppliers are not named (https://instinct.com/terms, sections 8 and 11; https://instinct.com/privacy-policy)
- Training: On by default for inputs, outputs and usage data, with an opt-out at app.instinct.com/settings that applies from then on. Google Workspace data and Vault material are excluded (https://instinct.com/privacy-policy; https://instinct.com/terms)
- Price: Not published. The terms say fees may apply to certain functions, in US dollars, charged to a card through a payment processor, and non-refundable (https://instinct.com/terms, section 4)
- Sign-up: Phone number and a one-time passcode by text at app.instinct.com, or a linked Apple, Facebook or Google account per the terms. A waiting list applies when the service is at capacity (https://instinct.com/legal/sms-terms.html; https://instinct.com/terms)
- Programmatic access: None found. No API, MCP server, SDK, documentation or llms.txt on instinct.com. The address `/llms.txt` answers with the web app's page
- Security contact: security.txt names support@instinct.com and expires 18 February 2027. No disclosure policy, bounty or certification was found (https://instinct.com/.well-known/security.txt)
- Operator: Spear Street Technology, Inc. d/b/a Instinct. California law governs the terms, with courts in San Francisco where arbitration does not apply (https://instinct.com/terms)

- Scores: Reliability 5, Performance pending, Schema & documentation 3, Agent ergonomics 5, Security & auth 25, Payments & pricing 0, Task success pending, Maintenance & community 3, Transparency & trust 51 · total over the 7 assessed categories
- Why: Reliability, Read as a hosted service. · Schema & documentation, Instinct publishes no API, MCP server or other interface a program can call, so there is no machine-readable contract (0). · Agent ergonomics, There is no programmatic interface to size, page, retry or annotate, so the first four lines score 0. The owner needs no client or syntax, s… · Security & auth, The owner signs in with a one-time passcode sent by text, and no second factor is described. · Payments & pricing, No x402, MPP or L402 (0). · Maintenance & community, No changelog, release notes or dated product announcement was found, so recency scores 0 and there are no dated entries in the last 90 days… · Transparency & trust, Closed service with published terms of 26 August 2026 that name the legal entity and cover the assistant, the apps and the website (15 of 30…
- Sources: 12, open questions: 14, both in the full twin
- Capabilities: assistant.proactive, assistant.messaging, assistant.accounts, assistant.memory
- JSON: https://www.anchorterminal.com/api/v1/tools/instinct.json
- Verify (for the vendor): the badge `https://www.anchorterminal.com/badges/instinct.svg` or a link to https://www.anchorterminal.com/tools/instinct from a page on instinct.com or one of its subdomains, then `POST https://www.anchorterminal.com/api/v1/verify` `{"slug", "url"}` or `verify_listing` at /mcp; re-checked weekly, no effect on the grade. Snippets in the full twin.

## Before you call it

1. Do not plan on calling Instinct from a program. No API, MCP server or key was found, and the terms forbid automation software and benchmarking
2. A person signs in at app.instinct.com with a phone number and a one-time code by text, and may wait for a place when the service is at capacity
3. Tell the owner to opt out of model training at app.instinct.com/settings before connecting mail or files, since training is on by default
4. Disconnecting an account does not delete what was indexed from it. Delete that data at app.instinct.com/workspace
5. Treat purchases and bookings as final. The terms say actions may not be reversible and that confirmation controls are not guaranteed

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## Panel reviews (0, desk reviews from public material, no calls made)