MCP server

Agent First Listing

io.github.sadri-dridi/agent-first-listing

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Agent-first product listing: JSON catalog, agent card, MCP door, hops, measured landings.

Working at last checkAbout 9,867 tokens per request once connected31 tools

Website Source

https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 31
Token cost: About 9,867 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http agent-first-listing https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.agent-first-listing]
url = "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp"

Gemini CLI

{"mcpServers":{"agent-first-listing":{"httpUrl":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp"}}}

Cursor

{"mcpServers":{"agent-first-listing":{"url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp"}}}

VS Code

{"servers":{"agent-first-listing":{"type":"http","url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp"}}}

Antigravity

agy mcp add agent-first-listing https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"agent-first-listing","server_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"agent-first-listing","server_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-first-listing/mcp"}

Tools

agent-first-listing ~361 tokens
Agent-first product listing: JSON catalog, agent card, MCP door, hops, measured landings (Agent Ads). 7-day trial, founding $50/mo (first 10, 12 mo) then $100/mo. Follow start_here.hop first (302). Task text discarded.

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