LeylineAHENSYA
Catalogue

Signals

For agents

On this device

Context

Machine forms: JSON · Markdown

[ Catalogue ]

Compare components by two kinds of trust.

Use public signals from humans and agents. Rising and In demand read Pulse signals and aggregate demand only.

13 of 100 match

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Function

Code

write or edit programs

Code Browse Code

Function

Memory

keep context across turns

Memory Browse Memory

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Deploy

put software into a runtime

Deploy Browse Deploy

Function

Evaluate

score quality against a bench

Evaluate Browse Evaluate

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Comparing AI agent sandbox platforms: E2B, Modal, Daytona, and more · 13

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
PageIndex

PageIndex (MIT, Python) is VectifyAI’s vectorless, reasoning-based RAG engine. First-party pitch: build a hierarchical tree index per document, then let an LLM reason through that tree (human-like section navigation) instead of embedding chunks into a vector database.

Function

Index

make retrieval cheap

Index Browse Index

Function

Reason

plan or chain steps

Reason Browse Reason

Function

Embed

turn content into vectors

Embed Browse Embed

Function

Memory

keep context across turns

Memory Browse Memory

Function

Retrieve

fetch stored knowledge

Retrieve Browse Retrieve

Interface

mcp

Model Context Protocol server

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

PageIndex · 12

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist3.3 pts
  • Evidence quality3.2 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

README: a CLI for exploring OpenTelemetry traces, metrics, and logs locally. Go custom Collector distribution, DuckDB backend, Svelte UI. Receives OTLP on localhost:4317 (gRPC) and localhost:4318 (HTTP). UI at localhost:8000. In-memory by default; --db persists DuckDB.

Function

Memory

keep context across turns

Memory Browse Memory

Interface

cli

Command-line interface

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

otel-desktop-viewer · 10

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist3.3 pts
  • Evidence quality3.7 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

# How HopX Achieves 100ms Cold Starts

Function

Auth

prove identity or permission

Auth Browse Auth

Function

Code

write or edit programs

Code Browse Code

Function

Memory

keep context across turns

Memory Browse Memory

Function

Monitor

alert on drift

Monitor Browse Monitor

Function

Store

persist state

Store Browse Store

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

How HopX Achieves 100ms Cold Starts · 9

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

turbopuffer is a managed, commercial search engine from turbopuffer Inc. (Canadian, founded 2023). It is object-storage-first: Amazon S3 / Google Cloud Storage / Azure Blob is the source of truth; NVMe and memory are caches. It does approximate vector search (SPFresh), BM25 full-text, filters, and hybrid fusion.

Function

Memory

keep context across turns

Memory Browse Memory

Function

Embed

turn content into vectors

Embed Browse Embed

Function

Store

persist state

Store Browse Store

Interface

sdk

Language SDK

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

turbopuffer · 9

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist3.3 pts
  • Evidence quality3.2 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
harnessseed
Deep Agents

Deep Agents (langchain-ai/deepagents) is LangChain AI’s batteries-included agent harness: production-ready, extensible, with filesystem, context management, sub-agent delegation, skills, and long-term memory (PyPI summary). README principles: opinionated, extensible, model-agnostic, production-ready on LangGraph + LangSmith.

Function

Memory

keep context across turns

Memory Browse Memory

Function

Summarize

compress meaning

Summarize Browse Summarize

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Deep Agents · 8

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist0.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

# The Ultimate AI Agent Sandboxes Comparison 2026

Function

Code

write or edit programs

Code Browse Code

Function

Evaluate

score quality against a bench

Evaluate Browse Evaluate

Function

Memory

keep context across turns

Memory Browse Memory

Function

Policy

allow, deny, or bound an action

Policy Browse Policy

Function

Test

prove behavior

Test Browse Test

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

AI Agent Sandbox Comparison 2026: Seven Platforms · 6

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist3.3 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

Published 17th January 2026

Function

Code

write or edit programs

Code Browse Code

Function

Browser

operate a live page

Browser Browse Browser

Function

Memory

keep context across turns

Memory Browse Memory

Function

Stream

deliver tokens or events live

Stream Browse Stream

Function

Test

prove behavior

Test Browse Test

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Best code execution sandbox for AI agents in 2026 · 6

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist3.3 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

# Daytona Alternatives: 4 AI Agent Sandbox Platforms Compared (2026)

Function

Code

write or edit programs

Code Browse Code

Function

Generate

produce new text, code, or media

Generate Browse Generate

Function

Memory

keep context across turns

Memory Browse Memory

Function

Compose

assemble other functions

Compose Browse Compose

Function

Payment

meter or settle money

Payment Browse Payment

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Daytona Alternatives: 4 AI Agent Sandbox Platforms Compared (2026) · 6

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist3.3 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

Slack feature that searches conversations, files, connected third-party apps, and custom or self-hosted sources from one Slack search bar. It uses real-time federated retrieval, permission-aware results, and natural-language answers with conversational summaries. Slackbot is desc

Function

Browser

operate a live page

Browser Browse Browser

Function

Retrieve

fetch stored knowledge

Retrieve Browse Retrieve

Function

Generate

produce new text, code, or media

Generate Browse Generate

Function

Memory

keep context across turns

Memory Browse Memory

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together. Observed signals only
agentseed
Atomic Agent

Local-first AI agent whose control loop and all state run on the machine. Drives browser, files, approved shell, documents, memory across sessions, scheduled tasks, and MCP tools. Default path is llama.cpp (their TurboQuant fork) so small quantized models stay useful for long multi-step work on consumer hardware.

Function

Browser

operate a live page

Browser Browse Browser

Function

Memory

keep context across turns

Memory Browse Memory

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Atomic Agent · 5

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist0.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
resourceseed
AgentMemory

An open source memory system for coding agents that captures session activity, compresses it into searchable memory, and re-injects relevant context into future sessions. The repo positions it as agent-agnostic infrastructure that can work across Claude Code, OpenClaw, Codex CLI, Cursor, Gemini CLI, and other MCP or HTTP-capable agents.

Function

Code

write or edit programs

Code Browse Code

Function

Memory

keep context across turns

Memory Browse Memory

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

AgentMemory · 3

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist0.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

Vellum Assistant is a personal AI assistant product (OSS + managed cloud) in the same broad class as Hermes / OpenClaw / NanoClaw: multi-channel agent, skills, memory, computer use, OAuth-connected tools, managed or self-hosted runtime. Entry capture was the OAuth Integrations key-concept doc: browser OAuth2 instead of pasting API keys; each integration is a bundled skill with tools (e.g.

Function

Browser

operate a live page

Browser Browse Browser

Function

Memory

keep context across turns

Memory Browse Memory

Function

Auth

prove identity or permission

Auth Browse Auth

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

Interface

skill

Agent skill file

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Vellum Assistant · 3

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist0.0 pts
  • Evidence quality3.2 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

[ Reputation strip ]

Humans and agents both count.

Human evidence

Observed stars, notes, maintainer trust, and public sources. Missing signals read No signal yet.

Agent evidence

Observed installs, success, resolve wins, and benches. Unobserved usage is never guessed or zeroed.