MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

Publisher portfolio

www.pathwren.workers.dev

Explore the MCP servers published by www.pathwren.workers.dev, with independent connection checks, performance measurements, and setup instructions for each project.

Listed servers
7

Active projects in this portfolio. Deleted and deprecated registry rows are excluded.

Sampled servers
7

Active servers with a recorded connection probe

Latest probe connected
7

Latest stored probe connected. This is not a live guarantee.

Repositories
0

Distinct source repositories linked by the active listings

Portfolio overview

MCP servers

Compare connection status and measurements. Open a server for its tools, check results, and client configuration.

Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Agent Discovery Doctor - llms.txt, agent card, mcp.json

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Developer ToolsCode & DevOps

Responded72 ms12 / 22
AI Crawler Index

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

OtherBrowser & web scraping

Responded173 ms12 / 22
Crawler IP Verifier - real Googlebot or fake

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

OtherBrowser & web scraping

Responded81 ms12 / 22
Crawler Log Triage

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

OtherBrowser & web scraping

Responded39 ms12 / 22
Markdown Lane Check - llms.txt, .md twins, Accept: text/markdown

Six checks: llms.txt, llms-full.txt, .md twins, Accept: text/markdown, sitemap.md, alt link. Free.

OtherFile & docs

Responded71 ms12 / 22
MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Developer ToolsCode & DevOps

Responded148 ms12 / 22
Robots.txt Policy Lint

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

OtherOther

Responded70 ms12 / 22

Company & identity

About www.pathwren.workers.dev

www.pathwren.workers.dev publishes MCP servers under the dev.workers.pathwren.www namespace. This namespace uses a reverse-domain identity in the directory.

This publisher’s namespace has not been verified. Follow the publisher’s own links to learn more about the company and its projects.

Source repositories

No source repositories listed yet.