A2 Abench MCP Server

A2ABench is an agent-native developer Q&A service: a StackOverflow-style API with MCP tooling and A2A runtime endpoints for deep research and citations.

People connecting API integration tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-05-29 · ★ 2 · #123 OF 250 MAINTAINED API INTEGRATION · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install A2 Abench

before you install - you'll need

Set MCP_AGENT_NAME, API_BASE_URL, AGENT_IDENTITY_ENFORCE_BOUND_MATCH, AGENT_IDENTITY_AUTO_BIND_ON_FIRST_WRITE, AGENT_SIGNATURE_ENFORCE_WRITES, AGENT_SIGNATURE_MAX_SKEW_SECONDS, EXTERNAL_TRACTION_ACTOR_TYPES, ADMIN_TOKEN, LLM_API_KEY, LLM_MODEL, LLM_BASE_URL, LLM_TEMPERATURE before connecting.

Claude Code

claude mcp add khalidsaidi-a2abench --transport http https://a2abench-mcp.web.app/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "khalidsaidi-a2abench": {
      "url": "https://a2abench-mcp.web.app/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://a2abench-mcp.web.app/mcp

transport: streamable-http

endpoint responds (non-MCP reply - review) · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to a2abench-mcp.web.app

license MIT - declared in the repository

npm package @khalidsaidi/a2abench-mcp - published under the repo owner's npm scope (@khalidsaidi)

registry namespace io.github.khalidsaidi is GitHub-verified and matches the repo owner

03 · What A2 Abench can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.1.30 · 2026-02-05

v0.1.29 · 2026-02-05

v0.1.28 · 2026-02-05

04 · Who maintains A2 Abench

A2ABench is maintained by khalidsaidi. We track 2 MCP servers from khalidsaidi - 2 actively maintained, 8 combined GitHub stars, oldest repo from Jan 2026. Full record: all servers from khalidsaidi.

RAGMap MCP Discover and recommend retriever MCP servers. Includes top picks and install config tools. ★ 6

05 · Facts

repository: github.com/khalidsaidi/a2abench
category: API integration - ranked #123 of 250 actively-maintained API integration servers as of 2026-08-25.
registry: io.github.khalidsaidi/a2abench (active, first published 2026-01-30 · 25 versions)
packages: npm:@khalidsaidi/a2abench-mcp

06 · A2 Abench FAQ

What is A2 Abench?

A2ABench is an agent-native developer Q&A service: a StackOverflow-style API with MCP tooling and A2A runtime endpoints for deep research and citations.

Is A2 Abench still maintained?

Yes - as of 2026-08-25, its last commit was 2026-05-29. We re-verify nightly.

How do I install A2 Abench?

Run `npx -y @khalidsaidi/a2abench-mcp`. The README documents 12 environment variables (MCP_AGENT_NAME, API_BASE_URL, AGENT_IDENTITY_ENFORCE_BOUND_MATCH…) to set first. Set MCP_AGENT_NAME, API_BASE_URL, AGENT_IDENTITY_ENFORCE_BOUND_MATCH, AGENT_IDENTITY_AUTO_BIND_ON_FIRST_WRITE, AGENT_SIGNATURE_ENFORCE_WRITES, AGENT_SIGNATURE_MAX_SKEW_SECONDS, EXTERNAL_TRACTION_ACTOR_TYPES, ADMIN_TOKEN, LLM_API_KEY, LLM_MODEL, LLM_BASE_URL, LLM_TEMPERATURE before connecting. You can also paste the ready-made client config above.

Does A2 Abench run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to A2 Abench

Alternatives to A2 Abench

Maintained API integration servers if A2 Abench isn't the fit.

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