Search: json
Search MCP servers and agent skills by name, description, category or topic — 127 results.
twtrubiks/odoo19-mcp-server
MCP Server for Odoo 19 ERP using JSON-RPC API, built with FastMCP. Supports CRUD operations, model inspection, and user/company context with readonly mode and delete confirmation safety.
musharna/plant-genomics-mcp
32 tools for plant-genomics locus lookup across 11 public backends (Ensembl Plants, Phytozome, UniProtKB, KEGG, STRING-DB, Gramene, Europe PMC, QuickGO, NCBI BLAST, ATTED-II, BAR). Single-locus, parallel-batch, and cross-source synthesis variants; JSON output schemas and EDAM ontology tags on every tool. `pipx install plant-genomics-mcp`.
ellmos-ai/ellmos-codecommander-mcp
Developer-focused MCP server for code analysis, JSON repair, encoding fixes, and import organization across local projects.
JamesANZ/evm-mcp
An MCP server that provides complete access to Ethereum Virtual Machine (EVM) JSON-RPC methods. Works with any EVM-compatible node provider including Infura, Alchemy, QuickNode, local nodes, and more.
GeiserX/pumperly-mcp
Go-based MCP server for Pumperly fuel price comparison. Query gas station prices, plan fuel-efficient routes, and find nearby EV charging stations. Docker image available.
gerard-kanters/mcp-linux-tools
Administer a Linux server from an MCP client such as Cursor or VS Code: read files and tail logs, check/reload/restart systemd services, manage cron jobs inside a dedicated crontab section, run read-only MySQL queries, drive WP-CLI on WordPress sites, run safe Git commands, and execute sandboxed Python. Directories, services and WordPress sites are allowlisted in `config.json`, and every tool retu
haiiibin/data-profiler-mcp
Profiles tabular data files (CSV, TSV, Parquet, Excel, JSON) for LLM agents: one-call dataset overview, per-column statistics, a data-quality audit (missing values, duplicates, mixed types, outliers), and memory-saving dtype suggestions. Pure Python (pandas); files are read locally and nothing leaves your machine. `pip install data-profiler-mcp`.
PostOakLabs/ainumbers-mcp-apps
420+ deterministic fintech tools — agentic payments (AP2, x402, Visa TAP, A2A), AML/KYC risk rating, BaaS provider comparison, and MCP dev tooling (tool-definition linter, server.json validator, OAuth auditor, readiness scorecard) — with 15 flagship tools rendered as interactive MCP Apps widgets. Remote streamable HTTP, read-only, no auth, zero PII.
bzdOS/hubd
Files-first project hub for teams of humans and AI agents: shared journal, cross-project tasks, agent queues, and a read-only kanban. MCP server + CLI, zero dependencies.
AutomateLab-tech/n8n-mcp
Nine-tool MCP server for n8n: generate workflow JSON from natural language, lint for deprecated node types, missing `typeVersion`, and broken connections, and debug per-node execution failures. Ships with a Claude Code skill. Install: `npx @automatelab/n8n-mcp`.
kimwwk/repocrunch
MCP server that gives AI agents structured, ground-truth GitHub repository intelligence. Analyze tech stack, dependencies, architecture, health metrics, and security indicators with deterministic JSON output.
searchcraft-inc/searchcraft-mcp-server
Official MCP server for managing Searchcraft clusters, creating a search index, generating an index dynamically given a data file and for easily importing data into a search index given a feed or local json file.
turbyho/fw-context-mcp
Build-aware code intelligence for embedded C/C++ firmware. Indexes your project from compile_commands.json via libclang into SQLite+FTS5. 31 MCP tools for symbol search, call graphs, hotspot analysis, dead code detection, and vector search. For Zephyr, PlatformIO, Mbed OS, Arduino, FreeRTOS.
MS-Teja/Glyphic
Generate diagrams from structured JSON across 18 types (architecture, ERD, sequence, flowchart, Gantt…) — native SVG/PNG, no headless browser. Built for LLMs and agents.
alexar76/aimarket-plugins
aimarket-mcp-packager** hub plugin: turn AIMarket capabilities into self-hosted MCP servers (Docker image + `mcp_manifest` + Claude Desktop `mcpServers` config). Part of 15-plugin AIMarket Hub ([modelmarket.dev](https://modelmarket.dev)); protocol discovery at `/.well-known/ai-market.json`. Install: `pip install aimarket-mcp-packager`.
machinegrade/validate
Deterministic validation of AI-generated artifacts before acting on them: JSON Schema conformance, OpenAPI response conformance, SQL syntax per dialect. Typed verdicts with per-error fix hints. Hosted free tier with remote MCP endpoint; MIT, self-hostable.
AKzar1el/mcp-web-validator
Web Validator by DigestSEO validates HTML and CSS, audits technical SEO and accessibility signals, checks JSON-LD and bounded public links, and captures responsive screenshots. Install locally with `npx -y mcp-web-validator`; no API keys required.
mockherodev/mcp-server
Agent-first synthetic test data MCP server. Estimate usage, detect schemas from SQL or JSON, create loginless Polar checkout, claim API keys, and generate JSON, CSV, or SQL data through a hosted Streamable HTTP endpoint.
maxaeo/maxaeo-ai-visibility-mcp
Local-first AI visibility, GEO/AEO, and llms.txt audit MCP server for Claude, Codex, Cursor, and other agents. Checks AI crawler access, robots, sitemap, canonical, metadata, noindex, and JSON-LD; returns local-only and technical foundation scores, top issues, and action plans. Install: `npx -y maxaeo-ai-visibility-mcp`.
atomno-mcp/mcp-seo-audit
Technical SEO audit powered by the detail.web engine. `audit_site(url)` returns a 0-100 health score, issues across 8 categories, and a GEO (Generative Engine Optimization) sub-score for visibility in AI search (ChatGPT, Perplexity, Google AI Overviews). Plus validators for robots.txt, sitemap.xml, JSON-LD, and meta tags. Install: `pipx install atomno-mcp-seo-audit`.
Crawlora-org/crawlora-mcp
Hosted MCP for structured public web data — 319 tools across search, maps, commerce, social, and finance, each returning clean JSON. Free 2,000 credits/mo.
Flightmussy/trainrouter-atlas
World train-route atlas for AI assistants — search 744 notable train routes (high-speed, scenic, night trains) and get facts and geometry for each. Hosted at https://trainrouter.com/mcp (Streamable HTTP, no auth); data CC BY 4.0.
sunsiyuan/human-survey
Feedback collection for AI agents. Create surveys from JSON schema, collect structured responses from groups of people, and retrieve aggregated results. 4 MCP tools for long-horizon agent workflows: post-event feedback, product launches, team health checks.
decisionnode/DecisionNode
Record development decisions as structured JSON, embed as vectors via Gemini, and search semantically over MCP. Shared store across Claude Code, Cursor, Windsurf, and any MCP client. CLI + MCP server, local-only, free Gemini embedding tier.
devag7/linkedin-mcp
LinkedIn for AI assistants over an authenticated browser session — profiles, people/job/company search, feed, messaging, and gated writes (connect, message, post, react, comment) returned as structured JSON, with built-in rate limiting. `npx -y linkedin-mcp-tools`.
matbel91765/gis-mcp-server
Geospatial tools for AI agents: geocoding, routing, elevation, spatial analysis, and file I/O (Shapefile, GeoJSON, GeoPackage)
fal-ai-community/fal-workflow
Generate workflow JSON files for chaining AI models
LuizEduPP/rememb
Persistent memory for AI agents with sectioned entries (project/user/context/etc), semantic search, CLI, and per-project scope. Local JSON, zero config, no server required.
HasData/hasdata-mcp
Remote MCP server providing structured data APIs for Google (Search, Maps, Trends, Flights), Amazon, Airbnb, Zillow, Yelp, and more. 40+ tools returns clean JSON data instead of browser automation or raw HTML scraping. Designed for AI agents requiring reliable hosted data access.
delmas41/gradusnotation
Render music notation (SVG + MusicXML + MIDI) from a JSON score, validate input, analyze MusicXML harmonically, and search a curated music-theory knowledge base. Free, no auth. `npx -y @gradusmusic/notation-mcp`
beardfaceguy/daimonos
Agent-optimized MCP server replacing built-in file, search, exec, and git tools with compact structured JSON. Native plugins for git, cargo, gh, and docker. Semantic output filtering, read deduplication, batch operations, and token analytics. Benchmarked 20-45% token savings.
Darko893/haunt-mcp-server
[Haunt](https://hauntapi.com/?utm_source=awesome-mcp-servers&utm_medium=listing&utm_campaign=sweep-2026-07) web extraction for AI agents: structured JSON or clean Markdown from permitted public pages, including Cloudflare-protected ones, with honest blocked/login/captcha errors instead of fabricated data
Alepha188838884/context-firewall
Local proxy that collapses N downstream MCP servers into 4 meta-tools with progressive tool discovery (measured: 122 tools → 4, ~28.6K tokens of definitions saved), compresses large tool outputs (HTML→Markdown, JSON structure summarization, base64 stripping — 60–95% measured on real pages/APIs) with full-output retrieval via `read_more`, and prints a per-session token-savings report. Security-rele
ScrapeUnblocker/scrapeunblocker-mcp
Fetch any web page's HTML (or AI-parsed JSON, or Google results) through the ScrapeUnblocker anti-bot API (Cloudflare, DataDome, PerimeterX, Akamai, Shape), using your own API key. Three tools: `fetch_html`, `fetch_parsed`, `google_search`. Install: `npx -y scrapeunblocker-mcp`.
risha-max/0xpdf-mcp
Schema-first PDF→JSON MCP for AI agents (0xPdf API). Define a JSON schema, parse invoices/forms (OCR optional), manage schemas, and poll async jobs. `uvx oxpdf-mcp` · [docs](https://0xpdf.io/docs#mcp) · [playground](https://0xpdf.io/samples)
Nodeflare-app/nodeflare-mcp
Pay-per-request JSON-RPC on 23 EVM chains (Ethereum, Base, Arbitrum, plus young chains Robinhood Chain, Plasma, Ink, Zircuit) from independent bare-metal nodes. Free reads with no key; heavy methods (eth_getLogs, trace, debug) via a free API key or x402 USDC pay-per-call on Base/Polygon/Arbitrum. In the official MCP Registry. `npx -y nodeflare-mcp`
sebastienrousseau/pacs008-mcp
ISO 20022 FI-to-FI credit-transfer generation + validation** (`pacs.008` FI-to-FI Customer Credit Transfer, `pacs.004` Payment Return, `pacs.002` Status Report). 15 tools across message-type + scheme discovery, JSON Schema + rail-usage validation, validated XML generation, XSD validation, inbound parsing, the November 2026 structured-address cliff toolkit (classify/validate/repair/batch), and lega
Flightmussy/castlemap-mcp
Query 2,400 castles, fortresses and palaces across 131 countries (coordinates, founding dates, fame ranking, Wikipedia summaries) from the open CC0 Castlemap dataset built on Wikidata. Hosted endpoint needs no API key; the zero-dependency server can also be self-hosted.
epistemedeus/ai-readiness
Check whether a website is visible to AI search (ChatGPT, Perplexity, Claude, Google AI Overviews). Scores AI-crawler access, JSON-LD structured data, title/meta, Open Graph, sitemap, and llms.txt, with a specific fix for each gap. Dependency-free, no API keys. Install: `npx -y github:epistemedeus/ai-readiness mcp`.
lizhuojunx86/chinese-history-mcp
Query 9 classical Chinese texts (pre-Qin to Wei-Jin: 史记/汉书/后汉书/三国志/左传/论语/孟子/吕氏春秋/资治通鉴) by event, person, modern place name, or virtue — every result cites 【book · chapter · paragraph】 with original-text evidence and an honest `review_status`. Zero-dependency stdlib stdio JSON-RPC.
jamesdfinance-dev/lazaretto-mcp
Check whether anything you depend on is known malware, before an agent installs it. `check_lockfile` takes a package-lock.json, yarn.lock or pnpm-lock.yaml and matches every pinned version against published malicious-package advisories in one call, free and with no API key, catching compromised releases like chalk@5.6.1 while leaving their clean releases alone. `scan_artifact` adds deterministic b
rudraneel93/mcp-guardian
Security and governance proxy for MCP infrastructure. Enforces YAML-configurable policies (blocklists, rate limits, token budgets), tracks real token costs via tiktoken, monitors server health with live JSON-RPC probes. Features include OAuth 2.1/OIDC with RBAC, web dashboard with Prometheus metrics, payload normalization against encoding bypasses, semantic shell AST analysis, mTLS zero-trust netw
stagproject/sec-filings-mcp
SEC EDGAR MCP for agents: search 10-K/10-Q, free sample preview, full filing JSON via x402 USDC on Polygon. xpay: `sec-edgar-filings`. Trial without xpay key: [docs](https://github.com/stagproject/sec-filings-mcp/blob/main/docs/TRY_WITHOUT_XPAY.md). Registry: `io.github.stagproject/sec-filings-mcp`.
flexorch/flexorch-mcp
Convert unstructured business documents (PDF, DOCX, invoices, contracts, payroll) into structured, LLM-ready datasets with automatic classification, field extraction, PII masking (10+ locales), and quality scoring. 6 async MCP tools covering the full pipeline: submit → poll → extract → build → export JSONL/RAG/CSV. Install: `pip install flexorch-mcp`.
Explorer-64/imagcon-mcp
Generate deployment-ready PWA, iOS, and Android app icon sets from a text description. Produces all 27 required sizes, maskable icons, Xcode-ready iOS icons, Android mipmap folders, splash screens, and manifest.json — packaged as a ZIP. Powered by Google Imagen 4.
NazarKalytiuk/tarn
CLI-first API testing tool with structured JSON failures (`failure_category`, `error_code`, `hints`) so AI agents can branch on the taxonomy without parsing stderr. MCP tools: `tarn_run`, `tarn_validate`, `tarn_fix_plan`, `tarn_inspect`, `tarn_rerun_failed`, and more. Tests are `.tarn.yaml`. Single static binary (musl), MIT.
kaka-milan-22/kops
Read-only `kubectl` for Claude Code: returns structured JSON, hardcoded safe verbs (no mutation path even with malicious input), Secret/ConfigMap values never returned, plus one-shot cluster triage & inventory.
juergenkoller-software/distill-mcp
MCP bridge for [Distill](https://store.juergenkoller.software/en/apps/distill) — AI file renamer that analyzes content (PDF/OCR/Office/email/media) and renames files with descriptive names. Five AI providers (Claude, OpenAI, Gemini, Ollama, Apple Intelligence), pay-per-use credits, folder monitoring, 9 MCP tools.