The signal observatory · 247 live records
Agent Search Engine
Move the cursor to sweep the field · scroll to trace the ecosystem ↓
A technical index for choosing agents, MCP servers, frameworks, and the infrastructure underneath them. Ranked by maintained adoption — never by sponsorship.
11 system classes · 149 active this month
Field readout · live
247
verified records
11
system classes
3.4M
stars under watch
149
active this month
Accelerating this week
Full changelog ↗
Ffirecrawl152k stars▲ 0Oopeninterpreter66k stars▲ 0Ppentagi21k stars▲ 0Ppage-agent27k stars▲ 0Bbrowser-use105k stars▲ 0Rruflo65k stars▲ 0
What are you trying to accomplish?
Automate browser tasks
Research with citations
Pick a coding agent
Run agents locally
Build a voice receptionist
All use cases →
01 · Navigate the field
Not a directory. An atlas of the agent economy.
Every territory is a distinct product class, not a search-keyword bucket. Each record carries exactly one type — how we classify.
01 · 28 records↗
MCP Servers
context7Top signal
02 · 31 records↗
Agent Frameworks
langchainTop signal
03 · 37 records↗
Coding Agents
gemini-cliTop signal
04 · 21 records↗
Autonomous Agents
AutoGPTTop signal
05 · 20 records↗
Browser & Computer Use
UI-TARS-desktopTop signal
06 · 29 records↗
Voice Agents
xiaozhi-esp32-serverTop signal
07 · 27 records↗
Research & Data Agents
firecrawlTop signal
08 · 22 records↗
Workflow & Productivity
n8nTop signal
09 · 5 records↗
Customer Support Agents
MaxKBTop signal
10 · 4 records↗
Sales & Marketing Agents
Relevance AITop signal
11 · 23 records↗
Agent Infrastructure
daytonaTop signal
02 · Independent index
Records that answer a decision.
Every record is built to help someone decide, not merely discover. Open one to see where it fits, where it fails, and what to compare.
Sponsored
Paid placement — never affects the index
Slot 01 — openSponsored
Your agent here
Reserve this placement →
Slot 02 — openSponsored
Your agent here
Reserve this placement →
Slot 03 — openSponsored
Your agent here
Reserve this placement →
Most adopted · open source
By maintained adoption
Nn8nPlatformFair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.TypeScript · 197k stars · Jul 2026TypeScript · 197k stars · Jul 2026Verified · Active↗AAutoGPTAgentAutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.Python · 186k stars · Jul 2026Python · 186k stars · Jul 2026Verified · Active↗FfirecrawlInfrastructureThe API to search, scrape, and interact with the web at scale.TypeScript · 152k stars · AGPL-3.0 · Jul 2026TypeScript · 152k stars · AGPL-3.0Verified · Active↗DdifyPlatformProduction-ready platform for agentic workflow development.TypeScript · 149k stars · Jul 2026TypeScript · 149k stars · Jul 2026Verified · Active↗LlangchainFrameworkThe agent engineering platform.Python · 142k stars · MIT · Jul 2026Python · 142k stars · MITVerified · Active↗Ggemini-cliAgentAn open-source AI agent that brings the power of Gemini directly into your terminal.TypeScript · 106k stars · Apache-2.0 · Jul 2026TypeScript · 106k stars · Apache-2.0Verified · Active↗Bbrowser-useAgentMake websites accessible for AI agents. Automate tasks online with ease.Python · 105k stars · MIT · Jul 2026Python · 105k stars · MITVerified · Active↗RragflowPlatformRAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMsGo · 85k stars · Apache-2.0 · Jul 2026Go · 85k stars · Apache-2.0Verified · Active↗Ddeer-flowAgentAn open-source long-horizon SuperAgent harness that researches, codes, and creates.Python · 77k stars · MIT · Jul 2026Python · 77k stars · MITVerified · Active↗DdaytonaInfrastructureDaytona is a Secure and Elastic Infrastructure for Running AI-Generated Code72k stars · Jul 202672k stars · Jul 2026Verified · Active↗
03 · Signal marketplace
Reserve a signal slot.
View inventory ↗
For serious agent products that want visible, clearly labeled placement in front of developers and technical buyers actively comparing tools.
Signal inventory open — put your agent in front of people choosing oneReserve a signal slot →