MCP Server Directory

MCP server that pays x402-gated HTTP endpoints — fetch, and on a 402 authorize, sign, retry

AAIF-verified modern MCP setup optimised to the 2026-07-28 model (BETTER textbook).

AtCoder MCP Server io.github.ketherworks/atcoder

Search AtCoder problems and fetch public problem statements through MCP.

Seal Security io.sealsecurity/mcp

Vulnerability management: scan projects, search sealed packages, manage sealing rules and reports.

PnL Labs — Solana Trust & Risk Checks io.github.PnLlabs/pnllabs

Trust checks for Solana trading: realized-PnL wallet trust, token safety, trade cost, forensics.

Attester Oracle io.github.maminihds/attester-mcp

Verify PyPI and npm packages, symbols, and version diffs against real artifacts. Free, no account.

secretcarousel io.github.jyswee/secretcarousel

Agent-first secrets vault. Store, rotate, and share credentials from chat. 20 tools.

Local-first MCP memory server for persistent LLM knowledge with BM25 retrieval.

calibration-routing io.github.nao1234g/calibration-routing

Route tasks by measured judgment quality: third-party-verified, Brier-based calibration records.

MCP server for Yandex.Metrica Stat API (read-only).

Evidence-grounded agent memory with mandatory provenance, on local SQLite or Cloudflare D1

Crystal Suppliers MCP io.github.ziyuant222/crystal-suppliers-mcp

Search verified crystal bracelets and source beads, accessories, and raw materials.

Plant phenotyping via PlantCV — returns traits plus the segmentation overlay they came from

Masaro ai.masaro/masaro

Task management for teams building with AI agents. Agents claim tasks and report progress.

WinDbg/DbgEng over MCP: crash dumps, live user & kernel, driver IOCTLs, and TTD.

mcp io.github.dmarc-examiner/mcp

Read your own DMARC aggregate and forensic reports: sources, alignment, alerts, CSV export.

Search tracks on LRCLIB and fetch plain or time-synced (LRC) lyrics. No API key.

wetwetwet-legislation io.github.mister-franklin/wetwetwet-legislation

Search Belgian & EU legislation: verbatim article text, per-article links, legal Q&A.

Read-only SQL database and plain-text SQL dump schema extraction to compact TOON for MCP clients.

cambium (remote) io.github.jarmstrong158/cambium-remote

Cloudflare Worker for read-only recall of cambium knowledge. MCP 2026-07-28, dual-era.

Local-first code intelligence MCP: symbol graph, impact analysis, 60+ tools.

Cited, OSV-gated, injection-hardened web briefs for coding agents. Verified, never raw web.

OzBridge: run Warp Oz agents from any MCP client — Claude Code, Cursor, Codex, VS Code.

Experimental Legal Grounding io.github.tokenfix/legal-grounding

Experimental GDPR grounding: rules, preconditions, exceptions, exact quotes, and citation checks.