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Fillin

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fillin.glyphapi.dev

Search for AI agents. Closes the LLM-cutoff gap: CVEs, papers, frontier AI, prediction markets.

https://fillin.glyphapi.dev/mcp/WebsiteNo authMCP 2025-11-25v1.27.0last checked 24 Sep 2026spoke MCP on 94.4% of 18 checks (30 days)initialize in 437 ms

Will my client connect?

Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.

✓Claude CodeConnects

The endpoint answers an anonymous handshake, so no credential is needed.

claude mcp add --transport http fillin https://fillin.glyphapi.dev/mcp/

Claude Code docs · read on 2026-08-30

✓Claude (claude.ai & Desktop)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Connectors → Add custom connector, then paste https://fillin.glyphapi.dev/mcp/.

Claude (claude.ai & Desktop) docs · read on 2026-08-30

✓ChatGPTConnects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Apps → Advanced settings → Developer mode, then create a connector pointing at https://fillin.glyphapi.dev/mcp/.

ChatGPT docs · read on 2026-08-30

✓CursorConnects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "mcpServers": {
    "fillin": {
      "url": "https://fillin.glyphapi.dev/mcp/"
    }
  }
}

Cursor docs · read on 2026-08-30

✓VS Code (Copilot)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "servers": {
    "fillin": {
      "type": "http",
      "url": "https://fillin.glyphapi.dev/mcp/"
    }
  }
}

VS Code (Copilot) docs · read on 2026-08-30

How to authenticate

Checked against the endpoint by our probe on 24 Sep 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme	No auth
Protected-resource metadata	✕Not found Without it a client has to guess where the authorization server lives.
Anonymous access	Handshake succeeds; 17 tools listable

Tools

encodefillin_answerfillin_buy_mintfillin_healthfillin_market_searchfillin_mintfillin_payment_challengefillin_probefillin_queryfillin_signupfillin_statsglyph_searchquery_cvesquery_frontierquery_marketsquery_papersretrieve_auto

Contract history

22 Sep 2026v1.27.01 compatible9 cosmeticinstructions rewritten

Instructions rewritten: encode, fillin_answer, fillin_query, glyph_search, query_cves, query_frontier, query_markets, query_papers, retrieve_auto. The description an agent follows changed; the callable contract may not have.

21 Sep 2026v1.27.02 compatible9 cosmeticinstructions rewritten

Instructions rewritten: encode, fillin_answer, fillin_query, glyph_search, query_cves, query_frontier, query_markets, query_papers, retrieve_auto. The description an agent follows changed; the callable contract may not have.

14 Sep 2026v1.27.0no contract changes

2 Sep 2026v1.27.0first recorded contract

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Status badge

Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.

[![MCP status](https://mcpi.app/servers/fillin/badge.svg)](https://mcpi.app/servers/fillin)