Best Developer tools MCP servers (November 2026)
The 10 top ranked of 6915 servers in Developer tools, ranked by what is known about each one today (2026-11-03). 273 of the 6,915 started in our own check.
No position on this page is paid for. How we rank
Quick picks
- Overall Postman MCP Server
- Remote, nothing to install Postman MCP Server
- Runs on your machine Postman MCP Server
- Postman MCP Server
com.postman/postman-mcp-serverGive your AI agents trusted access to the full Postman platform.
- Serena MCP: the IDE for your agent
io.github.oraios/serenaA powerful toolkit for coding, providing semantic retrieval and editing capabilities.
- Failure Lab
io.github.anilloutombam/mcp-failure-labDeterministic fault-injection server for testing how MCP clients handle failures and recover.
- agent-device
io.github.callstack/agent-deviceMCP server for mobile app automation: verify, control, and debug iOS, Android, TV, and desktop apps
- Codebase Memory
io.github.DeusData/codebase-memory-mcpCodebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.
- mcptoon
io.github.activeing123/mcptoonMCP tools + agent skills in one zero-dependency CLI: 71,929 -> 581 tokens (-99.2%, measured).
- jCodemunch MCP
io.github.jgravelle/jcodemunch-mcpRetrieves code by symbol via tree-sitter. 96.2% fewer tokens per lookup than grep-and-read.
- Storybook MCP Addon
io.github.storybookjs/addon-mcpHelp agents automatically write and test stories for your UI components.
- SmartBear MCP
com.smartbear/smartbear-mcpMCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.
- Firefox DevTools MCP
io.github.mozilla/firefox-devtools-mcpControl and debug Firefox: navigate, fill forms, inspect network and console, profile.
Side by side
| # | Server | Runs | Tools | Downloads a week | Advisories | Licence |
|---|---|---|---|---|---|---|
| 1 | Postman MCP Server | Local, Remote | 0 | 9.4k | 0 | APACHE-2.0 |
| 2 | Serena MCP: the IDE for your agent | Local | 0 | – | 0 | MIT |
| 3 | Failure Lab | Local | 0 | 290 | 0 | MIT |
| 4 | agent-device | Local | 0 | 218k | 0 | MIT |
| 5 | Codebase Memory | Local | 0 | 5.4k | 0 | MIT |
| 6 | mcptoon | Local | 0 | – | 0 | APACHE-2.0 |
| 7 | jCodemunch MCP | Local | 0 | – | 0 | LICENSEREF-JCODEMUNCH-DUAL-USE-1 |
| 8 | Storybook MCP Addon | Remote | 0 | 1.3M | 0 | MIT |
| 9 | SmartBear MCP | Local, Remote | 0 | – | 0 | MIT |
| 10 | Firefox DevTools MCP | Local | 0 | 5.1k | 0 | MIT-OR-APACHE-2.0 |
From the publishers' registry entries, package registries and advisory databases, as of 2026-11-03.