Rtblint MCP Server

OpenRTB linter. Validates OpenRTB 2.x bid requests and bid responses against versioned IAB Tech Lab spec snapshots, from 2.0 through the monthly 2.6 releases (currently up to 2.6-202606). It is available as a remote MCP endpoint.

Teams that want a hosted developer tools endpoint instead of running a local process. The project is written in Rust.

VERIFIED ACTIVE

LAST COMMIT 2026-08-24 · ★ 2 · #128 OF 139 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-08-25

Apache-2.0 · Rust servers · how we verify → /methodology

01 · Install Rtblint

Claude Code

claude mcp add aleksuix-rtblint --transport http https://rtblint.org/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "aleksuix-rtblint": {
      "url": "https://rtblint.org/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://rtblint.org/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · 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 remote - your agent's requests go to rtblint.org

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license Apache-2.0 - declared in the repository

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

03 · What Rtblint can do

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

Latest releases

v0.12.3 · 2026-08-24

See CHANGELOG.md for details.

v0.12.2 · 2026-08-22

See CHANGELOG.md for details.

v0.12.1 · 2026-08-19

See CHANGELOG.md for details.

04 · Who maintains Rtblint

RTBlint is maintained by aleksuix. We track 2 MCP servers from aleksuix - 2 actively maintained, 19 combined GitHub stars, oldest repo from Apr 2026. Full record: all servers from aleksuix.

VASTlint Validate VAST, VMAP, and DAAST ad tags against IAB specs. 232 rules, pure Rust core. ★ 17

05 · Facts

repository: github.com/aleksuix/rtblint
category: developer tools - ranked #128 of 139 actively-maintained developer tools servers as of 2026-08-25.
release cadence: 10+ releases in the last 90 days (latest 2026-08-24)
registry: io.github.aleksUIX/rtblint (active, first published 2026-08-16)

06 · Rtblint FAQ

What is Rtblint?

Is Rtblint still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Rtblint?

Run `claude mcp add aleksuix-rtblint --transport http https://rtblint.org/mcp`. You can also paste the ready-made client config above.

Does Rtblint require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to Rtblint

Alternatives to Rtblint

Maintained developer tools servers if Rtblint isn't the fit.

Pairs well with

Servers that cover what Rtblint doesn't - only shown when the pairing reason fits the companion.

More developer tools MCP servers · Vastlint · Debugium · Oracle Forms · Argon · Pyslang MCP

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