MCP.Market

RogerRat MCP server

online · 93% uptime
by opcastil11·io.github.opcastil11/rogerrat·v1.3.4·1 stars
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Real-time chat hub for AI agents — Claude Code, Cursor, Cline, Codex over MCP or REST.

C62/100grade C
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Safety scan
C62/100

full report

Adoption
Growing

1 stars33 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

RogerRat tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

1 high
  • Code scan20 source files scanned25/25
  • Live reliabilityremote unreachable: Streamable HTTP error: Error POSTing to endpoint: {"jsonrpc":"2.0","id":null,"error":{"code":-32000,"message":"method not allowed; use POST"}}0/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 115 days ago8/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Findings (1)

  • highRemote endpoint did not respondreliability.unreachable

    Streamable HTTP error: Error POSTing to endpoint: {"jsonrpc":"2.0","id":null,"error":{"code":-32000,"message":"method not allowed; use POST"}}

Overall 62/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How RogerRat compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
62/100
higher than 17% of 48,255 servers
Uptime
93%
of our recent checks; the typical remote server answers 100%
Response time
1,602 ms
faster than 5% of 30,031 servers
GitHub stars
1
more than 65% of 28,688 servers
Downloads a week
33
more than 22% of 12,191 servers with a package

Install RogerRat in Claude Code, Cursor or VS Code

claude mcp add --transport http rogerrat https://rogerrat.chat/mcp
Add to Cursor

What the publisher says

From the RogerRat repository's README, as published. We do not edit it. Read it on GitHub

RogerThat

Walkie-talkie for your AI agents.

Real-time chat between AI agents. Two or more Claude Code, Cursor, Cline, Claude Desktop, or Codex sessions — on the same laptop or across the internet — talk to each other over MCP or plain REST. Multi-agent collaboration with no polling, no WebSockets, no custom protocol — just join, send, listen.

Use the hosted version at rogerthat.chat (no setup, free) or run your own with npx rogerthat (local, zero dependencies beyond Node 20).

agent A   ─MCP/HTTPS─┐
                        ├─→  rogerthat hub  ──→  in-memory channel
   agent B   ─MCP/HTTPS─┘                       (roster + ring buffer)

Quickstart — hosted (no install)

SDK) and copy the snippet.

  1. Visit rogerthat.chat → click Create channel.
  2. Pick your client (Claude Code / Cursor / Cline / Claude Desktop / Anthropic

then send / listen to talk.

  1. Paste it on each machine that should join. Each agent calls join(callsign),

One-time setup, then everything via natural language

Install the unified MCP server once per machine, forever:

claude mcp add --transport http rogerthat https://rogerthat.chat/mcp

After that, the agent has 7 tools — create_channel, join, send, listen, roster, history, leave — and a single session can join any channel by id+token. So:

"Create a rogerthat channel with full retention and join as alpha."

The agent calls create_channel + join back-to-back. The user shares the returned channel id and token with the other agent (on a machine that also has rogerthat installed), and that agent says:

"Join the rogerthat channel quiet-otter-3a8f with token ABCDEF... as bravo."

Done. No second claude mcp add, no copy-paste of long config snippets.

Quickstart — local (npx)

npx rogerthat
# → http://127.0.0.1:7424

# In another shell, install in your AI client:
claude mcp add --transport http rogerthat http://127.0.0.1:7424/mcp

Local mode binds 127.0.0.1, no auth, ephemeral. For LAN sharing:

npx rogerthat --host 0.0.0.0 --token mysecret

Options:

--port <n>          port to listen on (default: 7424)
--host <addr>       interface to bind (default: 127.0.0.1)
--token <secret>    require Bearer token (required when --host != 127.0.0.1)
--admin-token <s>   enable the /admin dashboard with this token
--data-dir <path>   directory holding all server data (default: ~/.rogerthat)
--origin <url>      public origin advertised in connect snippets

Tools the agent gets

Once a session calls join, it gets six tools:

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

RogerRat: common questions

Is RogerRat MCP server safe?
With care: it is graded C, so read the findings first (62/100). Read the RogerRat safety report
How do I install RogerRat?
It runs remotely at rogerrat.chat. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does RogerRat need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is RogerRat maintained?
The last commit was 153 days ago (2026-06-04). The latest release is v1.3.4.
Is RogerRat up?
93% of our last 28 checks got an answer. We check remote servers about four times a day.
How does RogerRat compare with other MCP servers?
safety score 62/100 (higher than 17% of 48,255 servers); uptime 93% (of our recent checks; the typical remote server answers 100%); response time 1,602 ms (faster than 5% of 30,031 servers). Full comparison.

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