Startup
Sourcegraph
The context layer for your entire codebase
Sourcegraph provides code search and code-graph context for developers and AI coding agents, including an MCP server for 'code graph knowledge for agents' and Deep Search with citation-backed answers. Agentic Batch Changes is described as an agent for code changes at scale. The company cites its own CodeScaleBench report for improvements in agent speed and token use.
People
8.5K subscribers
Official YouTube channel
MCP & tools · Multi-agent orchestration · Context engineering & memory
Neighbours in the directory
San Francisco, CA · Est. 2023
Devin, the AI software engineer, and the Windsurf IDE.
Cognition builds Devin, an autonomous AI software engineer that plans and executes engineering tasks end-to-end, and acquired the Windsurf agentic IDE in 2025. One of the defining startups of the coding-agent wave.
~$10.2B valuation (Sep 2025)
Berkeley, CA · Est. 2024
Stateful agents with memory, from the team behind MemGPT.
Letta (formerly MemGPT, out of UC Berkeley) builds an agent server with built-in memory, context management and state — letting agents persist, learn and be edited like files rather than living in a chat window.
$10M seed led by Felicis (2024)
San Francisco, CA · Est. 2023
The integration layer: hundreds of managed tools your agents can call.
Composio handles auth, schemas, observability and reliability for the external SaaS tools an agent uses — 'plumbing for agentic actions' across Slack, GitHub, Salesforce and 250+ other surfaces.
Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Built on · 1
- Model Context ProtocolProject
Similar entries · 4
- Claude ContextProject
- codebase-memory-mcpProject
- DosuStartup
- NiaStartup
Sources
Verified Oct 29, 2026