The 2025 AI Agent Index

This dataset contains structured annotations for 30 prominent AI agents released or actively developed in 2025, compiled as part of the AI Agent Index project. The AI Agent Index is a systematic effort to catalogue and characterise real-world AI agents across dimensions relevant to accountability, safety, and transparency.

File Contents

File
Description

2025_annotations.json
Full annotations in nested JSON format, preserving the hierarchical section structure with inline source links and archived URLs. Text is in Markdown format.

2025_annotations.csv
Flattened tabular version with one row per agent and one column per field. Text is in Markdown format.

Data Structure

Each agent record is organised into seven thematic sections:

Inclusion criteria: the signals used to select the agent (search volume, market cap, GitHub stars, developer importance)

Product overview: agent name, description, release date, advertised use case, pricing, target users, website, and category

Company & accountability: developer identity, legal entity, place of incorporation, profit status, parent company, governance documents, AI safety frameworks, and standards compliance

Technical capabilities & system architecture: underlying model, documentation, observation space, action space, memory architecture, user interface design, user roles, and openness of components

Autonomy & control: autonomy level (L1–L5 scale), human approval requirements, execution monitoring and traceability, emergency stop mechanisms, and usage statistics

Ecosystem interaction: agent self-identification to humans and systems, interoperability standards (MCP, A2A, ACP, AGNTCY), and web conduct

Safety, evaluation & impact: technical guardrails, sandboxing approaches, risk evaluations, internal and third-party safety testing, benchmark results, vulnerability disclosure programmes, and known incidents

More Information

For further details about the AI Agent Index project, methodology, and interactive data explorer, visit https://aiagentindex.mit.edu/