{"page":1,"limit":100,"total":21,"total_catalog":67759,"catalog_meta":{"core_certified":58629,"community_indexed":9130,"aggregate_tracked":64349,"total_all":132108,"tiers_doc":"core = evidence-gated (adoption/verification/age) | community = indexed with weak signal, trust<=55 | aggregate = tracking-only inventory (see /api/community)"},"total_pages":1,"has_next":false,"has_prev":false,"sources":{"github":12148,"npm-registry":24788,"pypi":14311,"smithery":6195,"official-registry":9076,"crates":750,"docker":491},"skills":[{"id":"mn-real-brewersalmanack","name":"brewers-almanack","slug":"real-brewers-almanack","description":"A brewing knowledge MCP server — beer styles, ingredients, off-flavour diagnosis, water chemistry, and recipe guidance for AI brewing assistants","category":"AI/ML","price":0,"free":true,"sentinel_score":8,"review_status":"auto-scanned","risk_level":"red","install":"npx -y brewers-almanack","author":"gregario","version":"1.0.0","tags":["mcp","real","typescript","gregario"],"source":{"type":"github","url":"https://github.com/gregario/brewers-almanack","note":"Real MCP server. 2 stars. Language: TypeScript. Last push: 2026-06-29T07:38:39Z. Discovered via auto-discovery."},"indexed_at":"2026-09-10","tier":"core","trust_score_100":64,"badge_url":"https://www.marketnow.site/api/badge/real-brewers-almanack.svg","page_url":"https://www.marketnow.site/s/real-brewers-almanack"},{"id":"mn-real-mcpmolecules","name":"mcp-molecules","slug":"real-mcp-molecules","description":"MCP server for trustworthy chemistry: molecular weights, isotope distributions, and compound name/formula lookup, backed by NIST data and online sources.","category":"Developer Tools","price":0,"free":true,"sentinel_score":8,"review_status":"auto-scanned","risk_level":"red","install":"pip install mcp-molecules || uvx mcp-molecules","author":"laszlopere","version":"1.0.0","tags":["mcp","real","python","laszlopere","chemical-formula"],"source":{"type":"github","url":"https://github.com/laszlopere/mcp-molecules","note":"Real MCP server. 1 stars. Language: Python. Last push: 2026-06-19T03:31:06Z. Discovered via auto-discovery."},"indexed_at":"2026-09-10","tier":"core","trust_score_100":64,"badge_url":"https://www.marketnow.site/api/badge/real-mcp-molecules.svg","page_url":"https://www.marketnow.site/s/real-mcp-molecules"},{"id":"mn-npm-02798","name":"@openchem/mcp","slug":"openchem-mcp","description":"Model Context Protocol (MCP) server for OpenChem - AI assistant integration for chemistry analysis","category":"AI/ML","price":0,"free":true,"sentinel_score":6,"review_status":"auto-scanned","risk_level":"red","install":"npx -y @openchem/mcp","author":"rajgolla","version":"0.1.11","tags":["mcp","openchem","mcp","model-context-protocol","ai"],"source":{"type":"npm-registry","url":"https://www.npmjs.com/package/@openchem/mcp","note":"Indexed from the public npm registry with Sentinel Index Heuristics (age, weekly downloads, typosquat distance, injection markers)."},"indexed_at":"2026-09-09","tier":"core","npm_downloads_wk":0,"trust_score_100":60,"badge_url":"https://www.marketnow.site/api/badge/openchem-mcp.svg","page_url":"https://www.marketnow.site/s/openchem-mcp"},{"id":"mn-npm-02855","name":"pubchem-mcp","slug":"pubchem-mcp","description":"Production-ready Model Context Protocol server for PubChem chemical data (PUG-REST + PUG-View).","category":"Developer Tools","price":0,"free":true,"sentinel_score":6,"review_status":"auto-scanned","risk_level":"red","install":"npx -y pubchem-mcp","author":"quaat","version":"0.1.1","tags":["mcp","mcp","model-context-protocol","pubchem","chemistry"],"source":{"type":"npm-registry","url":"https://www.npmjs.com/package/pubchem-mcp","note":"Indexed from the public npm registry with Sentinel Index Heuristics (age, weekly downloads, typosquat distance, injection markers)."},"indexed_at":"2026-09-09","tier":"core","npm_downloads_wk":0,"trust_score_100":60,"badge_url":"https://www.marketnow.site/api/badge/pubchem-mcp.svg","page_url":"https://www.marketnow.site/s/pubchem-mcp"},{"id":"mn-npm-03407","name":"@iflow-mcp/augmented-nature-pubchem-server","slug":"iflow-mcp-augmented-nature-pubchem-server","description":"Model Context Protocol server for PubChem chemical database access","category":"Data","price":0,"free":true,"sentinel_score":6,"review_status":"auto-scanned","risk_level":"red","install":"npx -y @iflow-mcp/augmented-nature-pubchem-server","author":"chatflowdev","version":"1.0.1","tags":["mcp","mcp","model-context-protocol","pubchem","chemistry"],"source":{"type":"npm-registry","url":"https://www.npmjs.com/package/@iflow-mcp/augmented-nature-pubchem-server","note":"Indexed from the public npm registry with Sentinel Index Heuristics (age, weekly downloads, typosquat distance, injection markers)."},"indexed_at":"2026-09-09","tier":"core","npm_downloads_wk":0,"trust_score_100":60,"badge_url":"https://www.marketnow.site/api/badge/iflow-mcp-augmented-nature-pubchem-server.svg","page_url":"https://www.marketnow.site/s/iflow-mcp-augmented-nature-pubchem-server"},{"id":"mn-npm-03754","name":"@iflow-mcp/pubchem-server","slug":"iflow-mcp-pubchem-server","description":"Model Context Protocol server for PubChem chemical database access","category":"Data","price":0,"free":true,"sentinel_score":6,"review_status":"auto-scanned","risk_level":"red","install":"npx -y @iflow-mcp/pubchem-server","author":"chatflowdev","version":"1.0.0","tags":["mcp","mcp","model-context-protocol","pubchem","chemistry"],"source":{"type":"npm-registry","url":"https://www.npmjs.com/package/@iflow-mcp/pubchem-server","note":"Indexed from the public npm registry with Sentinel Index Heuristics (age, weekly downloads, typosquat distance, injection markers)."},"indexed_at":"2026-09-09","tier":"core","npm_downloads_wk":0,"trust_score_100":60,"badge_url":"https://www.marketnow.site/api/badge/iflow-mcp-pubchem-server.svg","page_url":"https://www.marketnow.site/s/iflow-mcp-pubchem-server"},{"id":"mn-gh2-00181","name":"rdkit-mcp-server","slug":"rdkit-mcp-server-0181","description":"MCP server that enables language models to interact with RDKit through natural language","category":"AI/ML","price":0,"free":true,"sentinel_score":10,"review_status":"auto-scanned","risk_level":"yellow","install":"git clone https://github.com/tandemai-inc/rdkit-mcp-server","author":"tandemai-inc","version":"0.0.0","tags":["mcp","github","cheminformatics","chemistry","drug-discovery"],"source":{"type":"github","url":"https://github.com/tandemai-inc/rdkit-mcp-server","note":"Indexed via GitHub search + awesome-mcp-servers curation. Sentinel Index Heuristics applied (stars, age, activity, typosquat, injection).","stars":42,"language":"Python","last_push":"2026-05-04T17:31:07Z"},"indexed_at":"2026-09-10","tier":"core","trust_score_100":88,"badge_url":"https://www.marketnow.site/api/badge/rdkit-mcp-server-0181.svg","page_url":"https://www.marketnow.site/s/rdkit-mcp-server-0181"},{"id":"mn-py2-08178","name":"MCPoly","slug":"mcpoly","description":"Useful tools for Computational Chemistry for polymers","category":"Version Control","price":0,"free":true,"sentinel_score":9,"review_status":"auto-scanned","risk_level":"red","install":"uvx MCPoly","author":"Omicron Fluor","version":"0.6.1","tags":["mcp","python"],"source":{"type":"pypi","url":"https://pypi.org/project/MCPoly/","note":"Indexed from PyPI with Sentinel Index Heuristics (package age, GitHub repo link, curated lists, injection markers). Downloads from pypistats when available.","repo_url":"https://github.com/Omicron-Fluor/MCPoly/"},"indexed_at":"2026-09-10","tier":"core","trust_score_100":90,"badge_url":"https://www.marketnow.site/api/badge/mcpoly.svg","page_url":"https://www.marketnow.site/s/mcpoly"},{"id":"mn-py2-05923","name":"iflow-mcp_yuxi-tju-cochem-agents","slug":"iflow-mcp-yuxi-tju-cochem-agents","description":"Chemistry Enhancement Package for Claude Code and Gemini CLI","category":"Version Control","price":0,"free":true,"sentinel_score":8,"review_status":"auto-scanned","risk_level":"red","install":"uvx iflow-mcp_yuxi-tju-cochem-agents","author":"ChemAgent Team <contact","version":"0.1.0","tags":["mcp","python"],"source":{"type":"pypi","url":"https://pypi.org/project/iflow-mcp_yuxi-tju-cochem-agents/","note":"Indexed from PyPI with Sentinel Index Heuristics (package age, GitHub repo link, curated lists, injection markers). Downloads from pypistats when available.","repo_url":"https://github.com/yuxi-TJU/CoChem-Agents"},"indexed_at":"2026-09-10","tier":"core","trust_score_100":80,"badge_url":"https://www.marketnow.site/api/badge/iflow-mcp-yuxi-tju-cochem-agents.svg","page_url":"https://www.marketnow.site/s/iflow-mcp-yuxi-tju-cochem-agents"},{"id":"mn-ofr-00234","name":"fci-mcp","slug":"fci-mcp","description":"Convert handwriting into text, LaTeX math, chemistry, or molecular structures.","category":"Developer Tools","price":0,"free":true,"sentinel_score":8,"review_status":"auto-scanned","risk_level":"yellow","install":"https://mcp.fluxink.ai/servers/f6b6758dba6c4c92b83407a113fdb80b/mcp","author":"ai.fluxink","version":"1.0.0","tags":["mcp"],"source":{"type":"official-registry","url":"https://registry.modelcontextprotocol.io/v0.1/servers/ai.fluxink/fci-mcp","registry_name":"ai.fluxink/fci-mcp","status":"active","remotes":[{"type":"streamable-http","url":"https://mcp.fluxink.ai/servers/f6b6758dba6c4c92b83407a113fdb80b/mcp"}],"published_at":"2026-07-22T00:30:47.497862Z"},"indexed_at":"2026-09-10","tier":"core","trust_score_100":85,"badge_url":"https://www.marketnow.site/api/badge/fci-mcp.svg","page_url":"https://www.marketnow.site/s/fci-mcp"},{"id":"mn-ofr-01168","name":"quantum-artificer","slug":"quantum-artificer","description":"Scientific compute for AI agents: symbolic, numerical, quantum, chemistry, ODE. Paid via x402.","category":"Developer Tools","price":0,"free":true,"sentinel_score":8,"review_status":"auto-scanned","risk_level":"yellow","install":"https://quantum-artificer.surewhynot.app/mcp","author":"app.surewhynot.quantum-artificer","version":"1.0.0","tags":["mcp"],"source":{"type":"official-registry","url":"https://registry.modelcontextprotocol.io/v0.1/servers/app.surewhynot.quantum-artificer/quantum-artificer","registry_name":"app.surewhynot.quantum-artificer/quantum-artificer","status":"active","remotes":[{"type":"streamable-http","url":"https://quantum-artificer.surewhynot.app/mcp"}],"published_at":"2026-07-15T16:42:16.628082Z"},"indexed_at":"2026-09-10","tier":"core","trust_score_100":85,"badge_url":"https://www.marketnow.site/api/badge/quantum-artificer.svg","page_url":"https://www.marketnow.site/s/quantum-artificer"},{"id":"mn-ofr-02167","name":"chemistry","slug":"chemistry","description":"Deterministic chemistry MCP for AI agents — 130+ tools across 17 suites (ADMET, ICH M7/Q1).","category":"Developer Tools","price":0,"free":true,"sentinel_score":8,"review_status":"auto-scanned","risk_level":"yellow","install":"https://mcp.covasyn.com/mcp","author":"com.covasyn","version":"1.27.1","tags":["mcp"],"source":{"type":"official-registry","url":"https://registry.modelcontextprotocol.io/v0.1/servers/com.covasyn/chemistry","registry_name":"com.covasyn/chemistry","status":"active","remotes":[{"type":"streamable-http","url":"https://mcp.covasyn.com/mcp"}],"published_at":"2026-05-26T14:58:45.473741Z"},"indexed_at":"2026-09-10","tier":"core","trust_score_100":85,"badge_url":"https://www.marketnow.site/api/badge/chemistry.svg","page_url":"https://www.marketnow.site/s/chemistry"},{"id":"mn-ofr-05205","name":"arquestra","slug":"arquestra","description":"AI orchestration for computational chemistry and HPC workflows.","category":"Developer Tools","price":0,"free":true,"sentinel_score":8,"review_status":"auto-scanned","risk_level":"yellow","install":"https://api.apertura-ai.de/mcp/orchestration","author":"Apertura-AI","version":"0.2.0","tags":["mcp"],"source":{"type":"official-registry","url":"https://registry.modelcontextprotocol.io/v0.1/servers/io.github.Apertura-AI/arquestra","registry_name":"io.github.Apertura-AI/arquestra","status":"active","remotes":[{"type":"streamable-http","url":"https://api.apertura-ai.de/mcp/orchestration"}],"published_at":"2026-04-05T07:19:49.062356Z"},"indexed_at":"2026-09-10","tier":"core","trust_score_100":85,"badge_url":"https://www.marketnow.site/api/badge/arquestra.svg","page_url":"https://www.marketnow.site/s/arquestra"},{"id":"mn-ofr-07340","name":"ap-science-diagnostics","slug":"ap-science-diagnostics","description":"Misconception detection for AP Chemistry & Physics 1. 90% catch rate vs 24% baseline.","category":"Developer Tools","price":0,"free":true,"sentinel_score":8,"review_status":"auto-scanned","risk_level":"yellow","install":"https://quantabble-api.chemandphysicsmastery.workers.dev","author":"Quantabble","version":"1.0.0","tags":["mcp"],"source":{"type":"official-registry","url":"https://registry.modelcontextprotocol.io/v0.1/servers/io.github.Quantabble/ap-science-diagnostics","registry_name":"io.github.Quantabble/ap-science-diagnostics","status":"active","remotes":[{"type":"streamable-http","url":"https://quantabble-api.chemandphysicsmastery.workers.dev"}],"published_at":"2026-07-07T04:21:20.533609Z"},"indexed_at":"2026-09-10","tier":"core","trust_score_100":85,"badge_url":"https://www.marketnow.site/api/badge/ap-science-diagnostics.svg","page_url":"https://www.marketnow.site/s/ap-science-diagnostics"},{"id":"mn-pyc-03559","name":"pubchempy-mcp-server","slug":"pubchempy-mcp-server","description":"An MCP server for multi-database chemistry queries (PubChem + CAS Common Chemistry).","category":"Data","price":0,"free":true,"sentinel_score":5,"review_status":"auto-scanned","risk_level":"red","install":"uvx pubchempy-mcp-server","author":"unknown","version":"1.0.0","tags":["mcp"],"source":{"type":"pypi","url":"https://pypi.org/project/pubchempy-mcp-server/"},"indexed_at":"2026-09-10","tier":"community","trust_score_100":40,"badge_url":"https://www.marketnow.site/api/badge/pubchempy-mcp-server.svg","page_url":"https://www.marketnow.site/s/pubchempy-mcp-server"},{"id":"mn-pyc-03705","name":"rowan-mcp","slug":"rowan-mcp","description":"Model Context Protocol server for Rowan computational chemistry platform","category":"Developer Tools","price":0,"free":true,"sentinel_score":5,"review_status":"auto-scanned","risk_level":"red","install":"uvx rowan-mcp","author":"Katherine Yenko <katherineayenko","version":"2.3.2","tags":["mcp"],"source":{"type":"pypi","url":"https://pypi.org/project/rowan-mcp/"},"indexed_at":"2026-09-10","tier":"community","trust_score_100":40,"badge_url":"https://www.marketnow.site/api/badge/rowan-mcp.svg","page_url":"https://www.marketnow.site/s/rowan-mcp"},{"id":"mn-pyc-05441","name":"iflow-mcp_k-yenko-rowan-mcp","slug":"iflow-mcp-k-yenko-rowan-mcp","description":"Model Context Protocol server for Rowan computational chemistry platform","category":"Developer Tools","price":0,"free":true,"sentinel_score":5,"review_status":"auto-scanned","risk_level":"red","install":"uvx iflow-mcp_k-yenko-rowan-mcp","author":"Katherine Yenko <katherineayenko","version":"2.3.2","tags":["mcp"],"source":{"type":"pypi","url":"https://pypi.org/project/iflow-mcp_k-yenko-rowan-mcp/"},"indexed_at":"2026-09-10","tier":"community","trust_score_100":40,"badge_url":"https://www.marketnow.site/api/badge/iflow-mcp-k-yenko-rowan-mcp.svg","page_url":"https://www.marketnow.site/s/iflow-mcp-k-yenko-rowan-mcp"},{"id":"mn-pyc-05890","name":"iflow-mcp_phelanshao_xtb-mcp-server","slug":"iflow-mcp-phelanshao-xtb-mcp-server","description":"XTB MCP Server for generating quantum chemistry calculation input files","category":"Developer Tools","price":0,"free":true,"sentinel_score":5,"review_status":"auto-scanned","risk_level":"red","install":"uvx iflow-mcp_phelanshao_xtb-mcp-server","author":"unknown","version":"0.1.0","tags":["mcp"],"source":{"type":"pypi","url":"https://pypi.org/project/iflow-mcp_phelanshao_xtb-mcp-server/"},"indexed_at":"2026-09-10","tier":"community","trust_score_100":40,"badge_url":"https://www.marketnow.site/api/badge/iflow-mcp-phelanshao-xtb-mcp-server.svg","page_url":"https://www.marketnow.site/s/iflow-mcp-phelanshao-xtb-mcp-server"},{"id":"mn-sm2-00635","name":"Arithym/Arithym","slug":"arithym-arithym","description":"Exact arithmetic engine for AI agents. 62 tools across 22 domains — \ninteger math, fractions, calculus, unit conversion, finance, statistics, \nchemistry, physics, and more. Every result is determinist","category":"Search","price":0,"free":true,"sentinel_score":7,"review_status":"auto-scanned","risk_level":"red","install":"npx -y @smithery/cli@latest install Arithym/Arithym","author":"Arithym","version":"0.0.0","tags":["mcp"],"source":{"type":"smithery","url":"https://arithym.xyz","use_count":0,"verified":false},"indexed_at":"2026-09-10","tier":"core","trust_score_100":45,"badge_url":"https://www.marketnow.site/api/badge/arithym-arithym.svg","page_url":"https://www.marketnow.site/s/arithym-arithym"},{"id":"mn-sm2-03304","name":"lylegill02/bench-mcp","slug":"lylegill02-bench-mcp","description":"725+ grassroots dirt tracks with USDA soil chemistry, banking, and geometry. Free agent reads: bb_find_track, bb_track_detail, bb_list_classes. The place for track lookup before setup or merch — pair ","category":"Developer Tools","price":0,"free":true,"sentinel_score":7,"review_status":"auto-scanned","risk_level":"red","install":"npx -y @smithery/cli@latest install lylegill02/bench-mcp","author":"lylegill02","version":"0.0.0","tags":["mcp"],"source":{"type":"smithery","url":"https://racer.wiki/tracks","use_count":342,"verified":false},"indexed_at":"2026-09-10","tier":"core","trust_score_100":68,"badge_url":"https://www.marketnow.site/api/badge/lylegill02-bench-mcp.svg","page_url":"https://www.marketnow.site/s/lylegill02-bench-mcp"},{"id":"mn-sm2-04556","name":"ivoryttang/chemistry_mcp","slug":"ivoryttang-chemistry-mcp","description":"Discover Chemistry VC’s mission, team, investment criteria, and portfolio. Quickly assess whether your startup aligns with their stage and focus. Break the ice with a built-in greeting or reference th","category":"Developer Tools","price":0,"free":true,"sentinel_score":7,"review_status":"auto-scanned","risk_level":"red","install":"npx -y @smithery/cli@latest install ivoryttang/chemistry_mcp","author":"ivoryttang","version":"0.0.0","tags":["mcp"],"source":{"type":"smithery","url":"https://github.com/ivoryttang/chemistry_mcp","use_count":0,"verified":false},"indexed_at":"2026-09-10","tier":"core","trust_score_100":49,"badge_url":"https://www.marketnow.site/api/badge/ivoryttang-chemistry-mcp.svg","page_url":"https://www.marketnow.site/s/ivoryttang-chemistry-mcp"}],"_links":{"self":"/api/skills?page=1&limit=100&q=chemistry","next":null,"prev":null}}