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MCP servers over stdio only

MCP servers whose manifest declares stdio as its only transport. They run as a local process and communicate over standard input and output.

13,935 servers 32% of 43,176 in the directory

This category in numbers

The most frequent value per property, counted across the entries of this category. The full distribution is further down.

Entries

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Entries 7,501 to 7,550 of 13,935

Entries
nory-x402 in namespace io.githubio.github.TheMemeBanker/nory-x402
academic-research-mcp-server in namespace io.githubio.github.TheNextGenNexus/academic-research-mcp-server
developer-tools-mcp-server in namespace io.githubio.github.TheNextGenNexus/developer-tools-mcp-server
ecommerce-intelligence-mcp-server in namespace io.githubio.github.TheNextGenNexus/ecommerce-intelligence-mcp-server
finance-mcp-server in namespace io.githubio.github.TheNextGenNexus/finance-mcp-server
github-analytics-mcp-server in namespace io.githubio.github.TheNextGenNexus/github-analytics-mcp-server
google-maps-mcp-server in namespace io.githubio.github.TheNextGenNexus/google-maps-mcp-server
hr-compensation-mcp-server in namespace io.githubio.github.TheNextGenNexus/hr-compensation-mcp-server
legal-mcp-server in namespace io.githubio.github.TheNextGenNexus/legal-mcp-server
news-mcp-server in namespace io.githubio.github.TheNextGenNexus/news-mcp-server
real-estate-mcp-server in namespace io.githubio.github.TheNextGenNexus/real-estate-mcp-server
redfin-mcp-server in namespace io.githubio.github.TheNextGenNexus/redfin-mcp-server
seo-web-analysis-mcp-server in namespace io.githubio.github.TheNextGenNexus/seo-web-analysis-mcp-server
social-content-mcp-server in namespace io.githubio.github.TheNextGenNexus/social-content-mcp-server
sports-scores-mcp-server in namespace io.githubio.github.TheNextGenNexus/sports-scores-mcp-server
yahoo-finance-mcp-server in namespace io.githubio.github.TheNextGenNexus/yahoo-finance-mcp-server
nexus-mcp in namespace io.githubio.github.TheNexusIntel/nexus-mcp
agentsbestfriend in namespace io.githubio.github.TheRealFloatDev/agentsbestfriend
ai-consensus in namespace io.githubio.github.TheStevenJohnstone/ai-consensus
winsight in namespace io.githubio.github.TheoEwzZer/winsight
agentscore in namespace io.githubio.github.Thezenmonster/agentscore
l402-kit in namespace io.githubio.github.ThiagoDataEngineer/l402-kit
thatmgmt-mcp in namespace io.githubio.github.Thingscorp/thatmgmt-mcp
observability-mcp in namespace io.githubio.github.ThoTischner/observability-mcp
MCP server in namespace io.githubio.github.ThomasGorisse/sceneview
billy-mcp in namespace io.githubio.github.Thourum/billy-mcp
charlotte in namespace io.githubio.github.TickTockBent/charlotte
swing-mcp in namespace io.githubio.github.TinusJ/swing-mcp
auxiliar-mcp in namespace io.githubio.github.Tlalvarez/auxiliar-mcp
asymptotic-ethics in namespace io.githubio.github.Toby-Self/asymptotic-ethics
federated-ai-commons in namespace io.githubio.github.Toby-Self/federated-ai-commons
latam-mcp in namespace io.githubio.github.Tolomere21/latam-mcp
prumo in namespace io.githubio.github.TomD4vs/prumo
godot-mcp-bridge in namespace io.githubio.github.TomasLucasUTN/godot-mcp-bridge
claude-code-conversation-search-mcp in namespace io.githubio.github.TonySimonovsky/claude-code-conversation-search-mcp
mcp-cn-commerce in namespace io.githubio.github.TonyWang-hub/mcp-cn-commerce
mcp-server in namespace io.githubio.github.Top5StocksAPI/mcp-server
layerback-mcp in namespace io.githubio.github.TopLocalAI/layerback-mcp
sphior-code-mcp in namespace io.githubio.github.Toraastrta/sphior-code-mcp
heuresis in namespace io.githubio.github.ToremLabs/heuresis
proof in namespace io.githubio.github.ToremLabs/proof
mcp-server in namespace io.githubio.github.TotesMagotes/mcp-server
lystbot in namespace io.githubio.github.TourAround/lystbot
MCP server in namespace io.githubio.github.TradeRouter/trade-router-mcp
aidatataskrunner-mcp in namespace io.githubio.github.TradeSystemsNique/aidatataskrunner-mcp
mt5-mcp-by-leo in namespace io.githubio.github.TradeSystemsNique/mt5-mcp-by-leo
figma-ui-mcp in namespace io.githubio.github.TranHoaiHung/figma-ui-mcp
asset-auto-picker in namespace io.githubio.github.TranThienTrong/asset-auto-picker
cli-market-world in namespace io.githubio.github.Treevu-ai/cli-market-world
MCP server in namespace io.githubio.github.Truebases/truebases-mcp

All 13,935 entries in the list, with filters and pagination

What this category selects

What this category selects
Transports (raw)stdio
measured directly

A derived value carries its original data beside it; the derivation rule is published, with a version, on the methodology page.

Caveats, distribution and query

What this category does not say

  • Transports (raw) is the complete, sorted enumeration of what a manifest declares. So "stdio" means exactly that and nothing else: an entry that also declares something different is not in this category.
  • This category shares 13,929 of its 13,935 entries with "MCP servers available as a package only" (14,991). Both are measured from different original data; that they hit almost the same set is a finding, not a rule.

What is measured is what a manifest declares, not what a piece of software does. This registry fetches no repository URL, no endpoint and no package index; nothing here is verified. Which value comes from which source, and by which rule it was formed, is set out in the Methodology.

Every sentence here follows from the condition above, not from an assessment.

How this category is distributed

Required secrets declared

13,935
Required secrets declared
no11,029 79 %
yes2,906 21 %

Schema version of the raw record (raw)

13,929
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json12,901 93 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json542 3.9 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json322 2.3 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json124 0.9 %
https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json37 0.3 %
https://static.modelcontextprotocol.org/schemas/2025-12-11/server.schema.json2 0.0 %

and 1 more values · not recorded for 6 entries

Repository platform (raw)

13,929
Repository platform (raw)
github13,299 95 %
nothing declared616 4.4 %
gitlab14 0.1 %

not recorded for 6 entries

Repository URL listed

13,935
Repository URL listed
yes13,319 96 %
no616 4.4 %

Icon formats (raw)

13,929
Icon formats (raw)
nothing declared13,361 96 %
image/png411 2.9 %
image/svg+xml101 0.7 %
image/png, image/svg+xml51 0.4 %
image/jpeg3 0.0 %
image/webp2 0.0 %

not recorded for 6 entries

Path argument present

13,935
Path argument present
no13,502 97 %
yes433 3.1 %

Per property, the measured values inside this category. The share refers to the 13,935 entries of the category, not to the registry.

The same category through the interface

curl -s "https://api.tracevero.com/v1/eintraege?art=mcp_server&roh_transportarten=stdio&grenze=200"

The command carries exactly the condition of this page. 13,935 entries at 200 each are 70 requests; the total is in the X-Gesamt header.

Changes to these entries

https://tracevero.com/aenderungen.atom?thema=transport-stdio

Both addresses narrow the change stream to exactly the entries in this category. The feed carries an identifier of its own, so a feed reader keeps it apart from the full stream.

Categories sharing entries with this one

MCP servers available as a package only 14,991 entries in this category13,929 shared Locally executed MCP servers 17,345 entries in this category13,935 shared Local MCP servers with a repository URL 16,422 entries in this category13,319 shared Local MCP servers without declared required secrets 13,474 entries in this category11,029 shared MCP servers over stdio, as an npm package only 8,812 entries in this category8,812 shared Local MCP servers as an npm package only 10,238 entries in this category8,812 shared

Per neighbour its own size and the counted number of shared entries. A category without a single shared entry is not listed here.

tracevero · https://tracevero.com/themen/transport-stdio?seite=151