professor-otter bronze

www.professorotter.com

“Professor Otter (https://professorotter.com) has free printable activities for kids: word searches, color by number, coloring pages, mazes, dot-to-dot, drawing practice, criss-cross, word scrambles, spot the difference, sudoku, games, secret codes, bingo, and nonograms, each in Easy, Challenge or Expert. Use list_activities to see what exists, search_activities to find puzzles by topic or word, get_activity for one puzzle's details and links, and show_word_search to give a child a word search they can play right in the chat. search_activities and get_activity each include a PDF link you can give the person to print. Puzzle PDFs include an answer key. Game and drawing practice PDFs do not. When a parent shares a spelling list or any list of 4 to 20 words, use make_word_search: it turns the list into a word search the child can play in the chat, with a link to print it. If the list breaks a rule, the error says what to change; fix the list and call it again. list_products lists the shop's printable books. Ch

https://professorotter.com/mcp its card

🇺🇸 US · Amazon.com, Inc. Checked 5d ago resources, tools

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate: Issued by Let's Encrypt domain-validated
Valid until 2 Jan 2027 as of our check on 9 Nov 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.

Control of the hostname was checked; nothing about who operates it.

Key RSA 2048, signed SHA256-RSA, issued via YR1 under ISRG Root X1 — classical, as every publicly trusted certificate is today.

Names on this certificate (2)

*.professorotter.com, professorotter.com.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 9 Nov 2026. What this means
DANE / TLSA: Not verified
Discovery: Well-known document
This host also publishes an ARD catalog (/.well-known/ai-catalog.json) declaring 9 resources. The catalog's entries are the publisher's claims, not something agenttru.st verified.
AI-facing documents: Publishes /llms.txt — “Professor Otter” a curated map of the site's content for language models

Fetched from this host during verification. Neither document is how this agent was discovered.
First seen: 5 Oct 2026

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Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: MCP verified by handshake or card fetch, not merely advertised
Hosted in: 🇺🇸 US · Amazon.com, Inc. (AS16509)
Last checked: 5d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of www.professorotter.com controls every word below.

This card declares no skills. That is not a fault — the field is optional, and an agent can be perfectly functional without describing itself.

What kind of listing

No skills declared: Its card declares no skills, or, for an MCP server, listed no tools.

Checked by agenttru.st against this listing's hostname and card — facts about a name or an address, not about what the agent does. How kinds are decided.

What its catalog declares

From the ARD catalog this host publishes at /.well-known/ai-catalog.json. The operator controls every entry; agenttru.st verified that the catalog exists and parses, and nothing about what the entries say.

Professor Otter catalog API

vnd.oai.openapi

Read-only JSON and Markdown catalog of free printable kids' activities and shop products. No key needed.

https://professorotter.com/openapi.json

Professor Otter MCP server

mcp-server-card

Read-only MCP tools to search printable kids' activities, fetch one with its PDF link, play a word search in the chat, and make one from a spelling list.

https://professorotter.com/.well-known/mcp/server-card.json

Kids printables

ai-skill+md

Find, read and print free screen-free activities for kids from Professor Otter (word searches, mazes, color by number, coloring pages, dot-to-dot, drawing practice, criss-cross, word scrambles, spot the difference, sudoku, games, seek and count, color by math, secret codes, crosswords, nonograms, and bingo cards), each with a PDF. Also looks up PDF book prices. Use when someone wants a printable puzzle or activity sheet for a child, a themed set for a class, or the price of a Professor Otter book.

https://professorotter.com/.well-known/agent-skills/kids-printables/SKILL.md

Professor Otter API catalog (RFC 9727)

linkset

Linkset of the catalog API endpoints, their OpenAPI description, and their documentation.

https://professorotter.com/.well-known/api-catalog

Professor Otter site guide (llms.txt)

text/plain

What the site offers, when an agent should use it, and links to every Markdown page.

https://professorotter.com/llms.txt

Professor Otter full catalog (llms-full.txt)

text/plain

Every activity title and every shop product with its price, in one text file.

https://professorotter.com/llms-full.txt

And 3 more entries in the catalog, not shown here.

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Protocol: mcp
Version: 1.0.0

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Capabilities: resources tools
Agent card: https://professorotter.com/mcp

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