SERVER

Agent Output Guard

Rank #63,423

io.github.agenson-horrowitz/agent-output-guard

Validate and verify data from other agents before acting on it. Zero LLM costs.

Listed & last published
Apr 2, 2026
PURPOSE

What you can do with Agent Output Guard

Agent Output Guard is a Model Context Protocol (MCP) server published by agenson-tools. It ranks #63,423 of 167,945 active servers on MCP Toplist. Agent Output Guard is listed across 3 registries — Official MCP, PulseMCP and Glama, with 2 tracked versions. It was first listed on Apr 2, 2026 and most recently updated on Apr 2, 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 Agent Output Guard 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 Agent Output Guard

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.

Declared by Glama, last synced Nov 3, 2026. Not independently verified by MCP Toplist.

No runtime, credential or payment requirements are recorded for this server beyond the declaration above.

INSTALLATION AND FIRST TASK

Connect Agent Output Guard and confirm it works

npm package
claude mcp add agent-output-guard -- npx -y @agenson-horrowitz/agent-output-guard-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 agenson-tools
View all agenson-tools servers →

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

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed
Apr 2, 2026
Latest version published
Apr 2, 2026
Version history
2 versions tracked (below)
Requirements evidence
Declared by Glama, last synced Nov 3, 2026. Not independently verified by MCP Toplist.
Profile checked
Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of
Nov 3, 2026
Registry sightings

Do you maintain Agent Output Guard? to correct or enrich this profile.

VERSIONS

Available versions (2)

0.1.0 · Nov 25, 20241.0.8 · Apr 2, 2026Nov 25, 2024Apr 2, 2026
VersionPublished
1.0.8Apr 2, 2026
0.1.0Nov 25, 2024
STANDING
#63,423of 167,945 active serversTop 50%

Ranks ahead of 104,522 of 167,945 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 50% of 167,945
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[![MCP Toplist](https://mcptoplist.com/badge/io.github.agenson-horrowitz%2Fagent-output-guard.svg)](https://mcptoplist.com/server/io.github.agenson-horrowitz%2Fagent-output-guard)
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FAQ

Frequently asked questions

Who maintains Agent Output Guard?
Agent Output Guard is maintained by agenson-tools, which publishes 5 MCP servers (8 total versions) tracked on MCP Toplist.
Is Agent Output Guard listed on the Official MCP Registry?
Yes — Agent Output Guard is listed on the Official MCP Registry, alongside PulseMCP and Glama.
How many versions does Agent Output Guard have?
MCP Toplist tracks 2 versions of Agent Output Guard, most recently published on Apr 2, 2026.
Where can I find the source code for Agent Output Guard?
The source code for Agent Output Guard is hosted at github.com/agenson-tools/agent-output-guard-mcp.
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