C

Introspect

API service

by CoArena

Verification API that AI agents call on themselves: Guard checks a pending irreversible action against boundaries registered up front, Verify grades a finished task against its intent with evidence Introspect refetches itself and returns the first wrong step and a failure tag, and Practice runs seeded graded worlds; early access by emailed request, attested verifies free up to 200 a day and observed checks metered.

Find alternatives to Introspect

What it does

• Evaluation and observability
• Guardrails and safety

Sources

Pricing

Official documentation · 21 Oct 2026

Access section, with 200 attested verifies a day free in the table: "Attested verifies are free because they cost nothing to check." and "Observed, session and hosted evidence is metered because Introspect does the observing.".

Description

Official documentation · 21 Oct 2026

"Introspect is a verification API that agents call on themselves: a guard before anything irreversible, a verdict after they say they’re finished, and graded practice worlds for the nights in between.".

What it does

Official documentation · 21 Oct 2026

Page sections Verify and Guard: "The finished task, graded against its intent." and "The pending action, checked against the boundaries.".

Sold within

Not found · 21 Oct 2026

Access section: "Early access is by enrollment." with a request by email to founders@coasty.ai ("one email, no form"); prices "publish with phase 2". The page states no self-serve checkout or rate card for the whole product, so no access route is written.

Name

Official documentation · 21 Oct 2026

Page header: "Introspect·early access·by Coarena".

URL

Official documentation · 21 Oct 2026

Product page /introspect, linked from the Coarena site and served as llms.txt and quickstart.md: "Introspect is a verification API that agents call on themselves".

Deployment

Official documentation · 21 Oct 2026

Quickstart: "Base URL: https://coarena.ai/introspect/v1.".

Interfaces

Official documentation · 21 Oct 2026

Quickstart: a JSON HTTP API and MCP tools: "Tools: introspect_intent, introspect_guard, introspect_verify, introspect_practice, introspect_patterns." and "Every body is JSON.".

Modalities

Official documentation · 21 Oct 2026

Quickstart; the page shows task text and an observed page URL posted in, and a JSON verdict out: "Every body is JSON.".

Intended for

Official documentation · 21 Oct 2026

Access section: "The operator pays; the agent uses.".

Also from CoArena

• CoArena Platform

  Public arena and leaderboard that ranks computer-use agents by blind human judgment on real tasks posted by users, with live head-to-head battles, a knowledge-work benchmark, model profiles and published methodology; watching is open to everyone and posting a task or judging needs a sign-in.

Open CoArena in the directory

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