The request names GitHub Copilot, so GitHub 1 comes first: its official doors include the copilot-sdk for building agentic applications with GitHub Copilot, and its agent tooling is indexed. Alternatives for building or sharing agents are Cursor 4, whose cloud agents can be launched for repository work, and Notion 3, which offers custom agents and an MCP server, plus LangChain 2 for open agent platform building.
- 1
GitHub Copilot SDKgithub.comverified and signed
Build agentic applications with GitHub Copilot: the copilot-sdk embeds AI agents in apps and lets you create custom tools 1.
official:MCP server · @github/mcp-registrySDK · @github/copilot-sdklibrary · CodeQL: StubCLI · specifyrepository · copilot-engine-sdk+2,577 community tools built for it
for agents: copilot-sdk · agent · declarative-agents
- 2
Cursorcursor.comverified and signed
An AI coding agent where cloud agents can be launched to work on a repository, and agents can be handed development tasks 4.
+176 community tools built for it
for agents: cli-for-agents · launch_agent · continual-learning
- 3
LangChainlangchain.comverified and signed
An open agent engineering platform for building agents with proven patterns and your own model and harness, and it indexes agent search 2.
+163 community tools built for it
for agents: search_agents · agents · langchain
- 4
Notionnotion.comverified and signed
A workspace where you can build Custom Agents and automate tasks, with an MCP server and API for connecting agents 3.
official:MCP server · com.notion/mcpAPI · Notion API+193 community tools built for it
for agents: custom_api_call · notion · notionapi
Sources
- 1GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHubgithub.com · read 2026-10-29
- 2LangChain: the open agent platform to own your intelligencelangchain.com · read 2026-10-29
- 3The AI workspace that works for you. | Notionnotion.com · read 2026-10-29
- 4AI Coding Agent for Building Ambitious Software | Cursorcursor.com · read 2026-10-29
For agents: the 10 actions behind this answer
copilot-sdk · copilot-sdk verified and signed
Build agentic applications with GitHub Copilot SDK. Use when embedding AI agents in apps, creating custom tools, implementing streaming responses, managing sessions, connecting to MCP servers, or creating custom agents. Triggers on Copilot SDK, GitHub SDK, agentic app, embed Copilot, programmable ag
search_agents · Agent Protocol verified and signed
Search Agents
custom_api_call · Notion (Activepieces) verified and signed
Custom API Call — Make a custom API call to a specific endpoint
cli-for-agents · cli-for-agents verified and signed
Designs or reviews CLIs so coding agents can run them reliably: non-interactive flags, layered --help with examples, stdin/pipelines, fast actionable errors, idempotency, dry-run, and predictable structure. Use when building a CLI, adding commands, writing --help, or when the user mentions agents, t
create_collection · Pinecone API verified and signed
Create collection
· Lokka website read, tools not yet checked
Lokka is an AI agent tool that brings the power of Microsoft Graph to AI agents like GitHub Copilot and Claude that run on your local desktop.
github · ghapi verified and signed
· SkillAgent website read, tools not yet checked
Find and install AI agent skills for Claude Code, Cursor, Copilot, Windsurf, and more.
· Pathrule website read, tools not yet checked
Your AI forgets, Pathrule remembers. Pathrule keeps what your project, you and your team have learned, and gives Claude Code, Codex, Cursor and Copilot only what each task needs.
ansible/ansible-content-actions · ansible-content-actions verified and signed
A set of GitHub actions for testing Ansible collections.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.