MCP Server Directory

io.github.IsaiahDupree/second-brain-bridge

Search and reason over your Obsidian-style Markdown vault, right from ChatGPT.

FAOSTAT MCP

FAOSTAT data for 245 countries: crops, trade, food security, and emissions via 21 MCP tools.

BLOCKTRUST TrustScan

Trust verification for AI agents: identities, domains, phishing, contacts, Trust Circle, Vault.

io.github.codespar/mcp-braspag

MCP server for Braspag — Cielo orchestration, token vault (Cartão Protegido), recurrence, split

com.scribe-mail/scribe

Manage Scribe email signatures: templates, teammates, smart fields and campaigns, via OAuth.

io.github.bolyra/mcp

MCP auth middleware: gate tool calls so only authorized agents can act.

io.github.bolyra/shield

Stdio MCP auth proxy: wrap any MCP server with per-tool permission enforcement.

Sanction

Authorize an AI agent's spend & credential use before it acts — budgets, encrypted vault, audit.

httpcat

HTTP Cat MCP — wraps http.cat (free, no auth)

Prefeitura AP Santana: Certidão Negativa de Débitos

Prefeitura AP Santana: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay p

Prefeitura BA Camaçari: Certidão Negativa de Débitos

Prefeitura BA Camaçari: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

Helixar Security

Security tools for AI agents: scan MCP servers, validate HDP delegation chains, audit releases.

Remote MCP server bridging AI clients with the PowerDMARC email authentication Platform.

Prefeitura GO Anápolis: Certidão Negativa de Débitos

Prefeitura GO Anápolis: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

io.github.moooonad/mcp-google-sheets-full

Full Google Sheets MCP: 26 tools + run_sheets_script escape hatch. User OAuth, no service account.

Gnosis Memory

Persistent memory and vector search for AI agents. Hosted, OAuth-protected via Google sign-in.

Security scanning and trust verification for AI agent tools.

io.github.rafavecchi/grantd

Grantd MCP server: let your AI agent act on a user's behalf across third-party APIs via OAuth.

Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, a

Multi-workspace Slack MCP server with draft+confirm safety, vault auto-export, and triple-mode…

HumanHours

Track agent ROI and enrich companies via MCP. Remote, OAuth 2.1, no install or keys.

Prefeitura GO Jataí: Certidão Negativa de Débitos

Prefeitura GO Jataí: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per

Prefeitura MG Belo Horizonte: Certidão Negativa de Débitos (IPTU)

Prefeitura MG Belo Horizonte: Clearance Certificate (Debts) (IPTU), official-source lookup. Platform

Security & DLP proxy for MCP: tool-poisoning scans, PII redaction on tool args/results. Beta.

Prefeitura PE Recife: Certidão Negativa de Débitos

Prefeitura PE Recife: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay pe