SERVER

eXcalibur MCP

Rank #4,342

io.github.lonniev/excalibur-mcp

FastMCP server for posting formatted content to X (Twitter) — Tollbooth-monetized, DPYC-native

13 versions
3 GitHub stars
by lonniev (17 servers)View repository ↗
First listed
Jul 11, 2026
Last publish date
Oct 21, 2026
PURPOSE

What you can do with eXcalibur MCP

eXcalibur MCP is a Model Context Protocol (MCP) server published by lonniev. It ranks #4,342 of 162,973 active servers on MCP Toplist, and its repository has 3 GitHub stars. eXcalibur MCP is listed across 2 registries — Official MCP and Glama, with 13 tracked versions. It was first listed on Jul 11, 2026 and most recently updated on Oct 21, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What eXcalibur MCP can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using eXcalibur MCP

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

MCP Toplist probed the public endpoint on Oct 15, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.

Declared by the Official MCP Registry, last synced Oct 29, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

Hosted endpoint declared as public.

INSTALLATION AND FIRST TASK

Connect eXcalibur MCP and confirm it works

Remote · HTTP
claude mcp add --transport http excalibur-mcp https://excalibur-mcp.fastmcp.app/mcp
First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by lonniev
View all lonniev servers →

No task-specific alternatives are catalogued for eXcalibur MCPyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed
Jul 11, 2026
Latest version published
Oct 21, 2026
Version history
13 versions tracked (below)
Requirements evidence
MCP Toplist probed the public endpoint on Oct 15, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
Profile checked
Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of
Oct 29, 2026
Registry sightings

Do you maintain eXcalibur MCP? to correct or enrich this profile.

VERSIONS

Available versions (13)

0.34.4 · Jul 16, 20260.35.0 · Jul 30, 20260.36.0 · Jul 30, 20260.36.1 · Jul 30, 20260.36.2 · Jul 30, 20260.36.3 · Jul 31, 20260.37.0 · Jul 31, 20260.38.0 · Aug 7, 20260.39.0 · Aug 10, 20260.40.0 · Aug 24, 20260.40.1 · Aug 24, 20260.40.2 · Aug 29, 20260.43.0 · Oct 21, 2026Jul 16, 2026Oct 21, 2026
VersionPublished
0.43.0Oct 21, 2026
0.40.2Aug 29, 2026
0.40.1Aug 24, 2026
0.40.0Aug 24, 2026
0.39.0Aug 10, 2026
0.38.0Aug 7, 2026
0.37.0Jul 31, 2026
0.36.3Jul 31, 2026
0.36.2Jul 30, 2026
0.36.1Jul 30, 2026
0.36.0Jul 30, 2026
0.35.0Jul 30, 2026
0.34.4Jul 16, 2026
STANDING
#4,342of 162,973 active serversTop 5%

Ranks ahead of 158,631 of 162,973 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

MCP Toplist: Top 5% of 162,973
Markdown
[![MCP Toplist](https://mcptoplist.com/badge/io.github.lonniev%2Fexcalibur-mcp.svg)](https://mcptoplist.com/server/io.github.lonniev%2Fexcalibur-mcp)
HTML
<a href="https://mcptoplist.com/server/io.github.lonniev%2Fexcalibur-mcp"><img src="https://mcptoplist.com/badge/io.github.lonniev%2Fexcalibur-mcp.svg" alt="MCP Toplist: Top 5% of 162,973" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains eXcalibur MCP?
eXcalibur MCP is maintained by lonniev, which publishes 17 MCP servers (86 total versions) tracked on MCP Toplist.
Is eXcalibur MCP listed on the Official MCP Registry?
Yes — eXcalibur MCP is listed on the Official MCP Registry, alongside Glama.
How many versions does eXcalibur MCP have?
MCP Toplist tracks 13 versions of eXcalibur MCP, most recently published on Oct 21, 2026.
Where can I find the source code for eXcalibur MCP?
The source code for eXcalibur MCP is hosted at github.com/lonniev/excalibur-mcp.
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