The GTM MCP Directory
Directory / Tools index
The capability layer

Every tool these servers name.

A category tells you what a vendor sells. This tells you what its MCP server puts in front of an agent, tool by tool, with the evidence behind every name and the date it was read. A tool below is one the server NAMES. Nobody has called it. That is the same two tier honesty rule the rest of the directory runs on: a named tool is research, and BENCH-TESTED stays the only claim that anybody ran anything.

2,893
tool names
134
GTM servers measured
600
servers unmeasured
22
answered tools/list
6,472
gateway tools, counted apart
1
bench tested

Coverage, stated as it is rather than as a percentage that flatters it: 141 of the 741 entries that record an official or community MCP server carry a harvested tool list, read on 2026-09-27. The other 600 are unmeasured, not empty: nobody has read their tool list, so the directory says nothing about what they expose, and their tool pages say so in those words. Most of them are hosted endpoints behind an auth wall or vendors with no server repo on file.

Those 141 entries are 135 unique products, because a product listed in two categories is harvested once per listing. 9,552 tool records were harvested and 9,365 survive as distinct product-and-tool pairs; the 187 merged are a cross listing repeating a name already recorded against the same product. Every name below is on a server this directory tracks, and clicking the server takes you to its entry, its gate and its endpoint probe.

Where a name came from, strongest first. The ranking is data, not prose: it is published in the capabilities block of directory.json.

Read off an aggregator such as Zapier or Composio, a name is that aggregator's wrapper of the vendor's API, not the vendor's own server, and the row says so. Read off a repo the vendor does not own, the tools are that author's, not the vendor's published surface, and the row says that too. What calling a tool would DO, reads, writes, or spends the operator's money, is derived from the tool's own name and the vendor's own description: a warning to check before wiring, not a guarantee.

ABCDEFGHIJKLMNOPQRSTUVWX
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Counted apart

The gateway.

Pipeworx re-exposes other vendors' servers through one endpoint, so its 6,472 tools are other people's tools. They are listed here in full and kept out of the 2,893 above, because folding them in would make the directory look like it had catalogued five thousand GTM capabilities when it had catalogued one gateway.