What authentication does Proteinbarnerd require?

No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.

Proteinbarnerd | MCP Directory

For AI agents — MCPBundles Directory API
Recommended: Directory API v1 over HTTP for detail and anonymous invoke when eligible (not MCP JSON-RPC on the publisher URL; no user MCPBundles credentials on v1).
GET https://www.mcpbundles.com/api/directory/v1/servers/proteinbarnerd-mcp-15cbf9490f
GET https://www.mcpbundles.com/api/directory/v1/servers/proteinbarnerd-mcp-15cbf9490f?live=1 (optional live refresh)
GET https://www.mcpbundles.com/api/directory/v1/servers/proteinbarnerd-mcp-15cbf9490f/tools/<tool> (one tool: schema + invoke.url)
POST https://www.mcpbundles.com/api/directory/v1/servers/proteinbarnerd-mcp-15cbf9490f/tools/{tool}
POST body: flat JSON of tool argument names and values; not an arguments wrapper. Replace {tool} with a tool name from GET detail.
Restricted agent shell (ChatGPT Codex desktop, some IDE sandboxes):
Default command sandboxes often block outbound network. curl exit 6 or "Could not resolve host" for www.mcpbundles.com is usually sandbox DNS — not evidence this site is down.
Retry the same Directory API GET with sandbox_permissions "require_escalated" and a one-sentence justification on the shell tool (Codex on-request approval). Do not tell the user the site is unreachable from sandbox curl alone.
Example justification: Run the public MCPBundles Directory API search outside the command sandbox to complete the user's MCP server lookup.
If the agent has browser access (e.g. Codex @Browser): open https://www.mcpbundles.com/?q=<query> or stay on this page — no shell network needed. Use WebMCP search_mcp_servers then get_mcp_server (document.modelContext / page tools; refresh with fetchTools or getTools if a tool id is missing from the snapshot). Read-only directory search; same index as Directory API v1 GETs. Neither WebMCP nor Directory API v1 uses user MCPBundles credentials.
Without a browser: after escalated curl fails, use GET https://www.mcpbundles.com/?q=<query> with Accept: text/markdown for ranked results.
Hub MCP (connected session): discover_mcp_servers — same filter semantics as search_mcp_servers.
Contract: https://www.mcpbundles.com/agents.md
OpenAPI: https://www.mcpbundles.com/api/directory/v1/openapi.json
Guide: https://www.mcpbundles.com/guides/mcpbundles-directory-api
For MCP client apps (human connect):
MCP connect URL: https://mcp.proteinbarnerd.com/mcp
Skill page: https://www.mcpbundles.com/skills/proteinbarnerd-mcp-15cbf9490f

Explore capabilities (5)

Search Protein Bars

Search and list protein bars by brand or flavor name.

Add to workspace

Compare Protein Bars

Compare 2 to 6 protein bars previously returned by Protein Bar Nerd.

Add to workspace

Get Bar Details

Retrieve nutrition, protein type, reported allergens, dietary tags, ingredient counts, and a public product URL for one…

Add to workspace

Get Bar Details in Widget

Widget-only helper that retrieves one protein bar for the active Protein Bar Nerd UI.

Add to workspace

Check Bar Ingredients

Look up ingredient lists, reported allergens, and dietary tags for a protein bar by brand and flavor.

Add to workspace

Tool inventory (5 tools)

Search Protein Bars — Search and list protein bars by brand or flavor name. Returns a list of matching bars with basic nutrition info. DO NOT use this for ingredient queries - use check_bar_ingredients instead for any ingredient/allergen questions.
Compare Protein Bars — Compare 2 to 6 protein bars previously returned by Protein Bar Nerd. Provide their numeric bar IDs; results preserve the requested order and report any missing IDs.
Get Bar Details — Retrieve nutrition, protein type, reported allergens, dietary tags, ingredient counts, and a public product URL for one Protein Bar Nerd bar ID.
Get Bar Details in Widget — Widget-only helper that retrieves one protein bar for the active Protein Bar Nerd UI.
Check Bar Ingredients — Look up ingredient lists, reported allergens, and dietary tags for a protein bar by brand and flavor. Use for ingredient and allergen questions, but do not claim a bar is safe for an allergy or medical condition; tell the user to verify the current package label and manufacturer information.

Schemas and invoke metadata: Directory API

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A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.

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Frequently Asked Questions

What is the Proteinbarnerd MCP server?

Proteinbarnerd is an MCP server at mcp.proteinbarnerd.com. MCPBundles discovered 5 tools on the live endpoint.

How do I connect Proteinbarnerd to my AI agent?

Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.

How many tools does Proteinbarnerd provide?

Operate this server?

Request removal if you do not want Proteinbarnerd listed here, or claim the listing if you want to manage it on MCPBundles.

Operate Proteinbarnerd?

This server appears in the MCPBundles directory. Verify you operate it to take over the listing — name, description, logo, contact email, and skill content. We email a 6-digit code to a maintainer address your server publishes in /.well-known/security.txt or /.well-known/mcpbundles.json. Free, takes about a minute.

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Proteinbarnerd

Explore capabilities (5)

Frequently Asked Questions

Operate this server?

Operate Proteinbarnerd?

Don't want this listed?