Third Bridge

Query Third Bridge's 100,000+ expert interview transcripts.

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What the Third Bridge connector does

The Third Bridge MCP server connects an expert-network research subscription to Claude, ChatGPT and any MCP-compatible agent. Anthropic's directory lists one read-only tool that queries Third Bridge's library of more than 100,000 expert interview transcripts in natural language. Sign-in is OAuth, and a separate pilot agreement governs the connector.

Verified connector

Listed by Anthropic as a partner connector in its Connectors Directory.

Connection checked by Agentman on .

Anthropic states this reflects the level of review a connector received, not a security audit.

Third Bridge tools (1)

  • third_bridge_content_query

Tool names from Anthropic's directory listing. This server requires sign-in, so we could not read tool descriptions or parameter schemas.

Limits

  • Access is a two-week pilot by default. Third Bridge's Pilot MCP Terms grant access "on a two-week pilot basis only", with any extension solely at Third Bridge's discretion, and reserve the right to suspend or terminate the pilot for any reason. Plan the integration accordingly.
  • No application scopes exist. The RFC 9728 resource descriptor and the authorization server metadata both advertise exactly openid, profile, email and offline_access. Three are identity claims and the fourth is a refresh token. Nothing at the OAuth grant separates one kind of content from another, and no boundary falls anywhere except at your subscription entitlements.
  • Third Bridge publishes no tool list, no schemas and no setup documentation. The single tool name comes from Anthropic's directory. The vendor's MCP page is a product page with no tool table, no prerequisites and no troubleshooting section.
  • We could not read tool schemas or safety annotations. The endpoint returned 401 to an anonymous request, so no readOnlyHint, destructiveHint or parameter detail is published here. The read-only characterisation is Anthropic's directory record plus the vendor's own description, not the server's declaration to us.
  • The MCP terms are unlinked from the compliance policies index. They are public and in the sitemap, but a reader working from Third Bridge's own policy list would never see them. Your negotiated Order Form takes priority over the standard terms in any case, so it may modify them.
  • Redistribution is contractually forbidden. The Content Terms license transcripts for internal research only and require strict confidentiality. Agent output that carries transcript text outside your organisation is a breach, not a grey area.
  • Accuracy is disclaimed twice. The Content Terms disclaim any warranty as to currency, accuracy, completeness, timeliness or fitness, and state the client "assumes all risk of use". The Pilot MCP Terms separately disclaim warranty over LLM responses containing the content.
  • The content is not investment advice, by the vendor's own terms. Third Bridge states the content "does not constitute a trade recommendation and should not form the basis of any investment decision".
  • Expert calls, surveys and Advisors are out of scope. The Content licence explicitly excludes one-to-one expert consultation services, which require a separate Order Form.
  • Two prompts are advertised and neither could be read, including one named third-bridge-debug-prompt. Their content is unknown to us.

Frequently asked questions

How many tools does the Third Bridge MCP server have?

One. Anthropic's directory lists a single tool, third_bridge_content_query, and Third Bridge publishes no tool list of its own to check that against. The whole connector is one natural-language query against the transcript library, so what it can reach is decided by that query and by your subscription entitlements, not by a menu of tool names.

Can the Third Bridge connector write, delete or change anything?

No. Anthropic's directory records the connector's permissions as Read only, the single tool is a content query, and the OAuth grant type list includes nothing that implies a write. Third Bridge's own MCP page describes retrieval and synthesis exclusively. Nothing we found in the vendor's material describes the connector modifying Third Bridge data or your workspace.

What OAuth permissions does the Third Bridge MCP server request?

Four, and none of them narrows anything. The server's RFC 9728 descriptor and its authorization server metadata both advertised openid, profile, email and offline_access on 2026-08-22. Three are OpenID identity claims and the fourth grants a refresh token. No scope names transcripts, the library, or any data boundary at all.

Are there separate terms for using Third Bridge over MCP?

Yes, and they are easy to miss. Third Bridge publishes Pilot MCP Terms at a URL present in its sitemap but absent from its own compliance policies index. Those terms supplement your existing Content agreement, grant access on a two-week pilot basis only, and require that your LLM subscription prohibits training on inputs and outputs.

Does the Third Bridge MCP connector work on a consumer Claude or ChatGPT plan?

Third Bridge's Pilot MCP Terms say no, in effect. They require you to confirm that your company's agreement with your LLM provider is a commercial or enterprise subscription which prohibits the use of inputs and outputs for model training. A personal or consumer tier that does not carry that prohibition would not satisfy the condition you are asked to confirm.

Can I bulk export Third Bridge transcripts through MCP?

No. Third Bridge's Pilot MCP Terms state plainly that you will not use MCP to bulk extract Third Bridge Content. The underlying Content Terms and Conditions are stricter still, forbidding clients from copying, reproducing, forwarding or distributing Content, and licensing it for internal research purposes only.

What does Third Bridge content contain, and can I quote it externally?

Transcripts of vetted expert interviews, and no. Third Bridge's Content Terms and Conditions reserve all intellectual property in transcripts, forbid reproducing or republishing them, and require clients to keep Content strictly confidential within their own organisation. An agent that pastes a transcript passage into an external deliverable would breach that clause.

Does the Third Bridge MCP connector reduce AI hallucination?

Third Bridge says it does, and the mechanism is citation rather than a guarantee. Its MCP page describes surfacing citation-backed insights instantly to reduce hallucination risk. But its Content Terms disclaim all warranty as to accuracy or completeness, and the Pilot MCP Terms disclaim any warranty over LLM responses containing that content.

Sources

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