Automation - official Inngest server
Inngest Dev Server MCP server
Local MCP endpoint built into the Inngest Dev Server that lets coding agents list apps and functions, send events, inspect runs and traces on the developer's machine, and search embedded Inngest docs. It runs locally from inngest-cli (npm) and needs no auth.
Last verified 15 tools3 sources
Install
Claude Code
About Claude Codeclaude mcp add --transport http inngest-dev http://127.0.0.1:8288/mcpCodex
About Codexcodex mcp add inngest-dev --url http://127.0.0.1:8288/mcpCursor
About Cursor{
"mcpServers": {
"inngest-dev": {
"url": "http://127.0.0.1:8288/mcp"
}
}
}Tools
get_apps- List active or archived apps.
get_app- Get one app, including sync metadata and function count.
list_functions- List the functions in one app.
get_function- Get one function's configuration and status.
send_event- Send an event and return its event ID.
invoke_function- Invoke a function and return its run details.
list_runs- List runs, with optional app, function, status, and time filters.
get_run- Get the summary and optional output for one run.
get_run_trace- Get the trace tree and optional span output for one run.
get_event_runs- List the function runs triggered by an event.
rerun- Rerun a function from the start or from a selected step.
cancel_run- Cancel an in-progress function run.
grep_docs- Search the docs embedded in the Dev Server.
list_docs- List embedded documentation categories and counts.
read_doc- Read one embedded documentation file.
As documented on October 17, 2026. A running server reports its current list through tools/list.
Notes and caveats
- Starts with the Dev Server (
npx --ignore-scripts=false inngest-cli@latest dev); default endpointhttp://127.0.0.1:8288/mcp, no authentication. - Repository and license were not confirmed from the MCP docs.
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Related reading
- Durable Execution for AI Agents: Checkpoints, Retries and ResumeHow durable execution keeps AI agents alive through crashes, deploys and multi-day approvals, with a LangGraph crash test and type-checked code.
- What's New in Mastra (Late 2026): Harness, AgentController GA, Eval Gates and MCP 2.xMastra in late 2026: goals, schedules, signals, AgentController GA, eval gates and MCP 2.x, with type-checked TypeScript examples and honest tradeoffs.
- MCP vs A2A vs Function Calling: Which Layer Does What in 2026MCP vs A2A vs function calling compared on the 2026-07-28 MCP spec and A2A 1.0: what each protocol does, where they overlap, and how to stack them.
- Pydantic AI V2 in Late 2026: Capabilities, Graphs, Evals and MCPPydantic AI V2 explained through v2.57.0: capabilities, typed output, Conversation storage, caching, graphs, evals, MCP Apps and Logfire, with checked code.
- Reverse Engineer Anything (REA): What the MCP Server Does and Where the Line IsREA (Reverse Engineer Anything) is an MIT-licensed MCP server that lets Claude Code, Codex or Cursor inspect binaries, Electron apps and APKs. How to try it.
- Claude Opus 5.5 Built a Browser 3D World: The Higgsfield MCP WorkflowClaude Opus 5.5 and Higgsfield MCP built an interactive 3D Library of Alexandria in the browser. The verified connector setup and where the workflow holds up.
FAQ
What does the Inngest Dev Server MCP server do?
Local MCP endpoint built into the Inngest Dev Server that lets coding agents list apps and functions, send events, inspect runs and traces on the developer's machine, and search embedded Inngest docs. The vendor documents 15 tools, including get_apps, get_app, list_functions and get_function.
How do I add the Inngest Dev Server MCP server to Claude Code?
Run claude mcp add --transport http inngest-dev http://127.0.0.1:8288/mcp, copied from Inngest's docs. This page also has snippets for Codex and Cursor.
Does the Inngest Dev Server MCP server need authentication?
No. The vendor documents it as needing no auth. Transport: Streamable HTTP. Status: Unlabelled, last checked October 17, 2026.
Sources
Last verified against 3 Inngest pages, then re-checked independently.
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