Google tells you what exists. Faceabot tells you what holds up.
Grounded synthesis from public sources. 3 free calls total; then $0.10 brief or $0.25 deep via x402.
MCP endpoint :https://synthesis.getstringer.app/mcp · website · measurements and detailsConvert public HTML or a public URL into token-dense Markdown through one remote MCP tool.
MCP endpoint :https://extract.getstringer.app/mcp · measurements and detailsPremium agentic endpoint for body-gesture-synthesizer-mcp.
MCP endpoint :https://api.m2mcent.com/body-gesture-synthesizer-mcp/sse · measurements and detailsSynthesizes audio from MusicXML, with voice-part selection and tempo control
Package pypi :synth-mcp · website · measurements and detailsMulti-agent literature review: research, peer review, and synthesize grounded reports.
Package pypi :lit-review-council · website · measurements and detailsVerifiable Earth ground truth for AI agents: water, hazard, ground stability, resource, with proof.
MCP endpoint :https://deepmapai.com/mcp · website · measurements and detailsExperimental GDPR grounding: rules, preconditions, exceptions, exact quotes, and citation checks.
MCP endpoint :https://legal-grounding-199120533535.europe-north2.run.app/mcp · measurements and detailsFree FAA private-pilot ground school: source-cited answers, lessons and practice questions.
MCP endpoint :https://pplfree.com/mcp · website · measurements and detailsCited answers about Switzerland from official federal, cantonal and municipal sources.
MCP endpoint :https://swiss-grounding-mcp-542630986415.europe-west6.run.app/mcp · website · measurements and detailsKeep AI answers fresh with free source previews, scheduled monitoring, evidence history, and alerts.
MCP endpoint :https://ground-truth-mcp.anishdasmail.workers.dev/mcp · measurements and detailsGround truth for Jewish life: kosher checks, places, menus, providers, events, Shabbat times.
MCP endpoint :https://api.tateh.org/mcp · website · measurements and detailsReference data API for classification systems, real-time world data, and unit conversions
MCP endpoint :https://mcp.ground.fyi/mcp · website · measurements and detailsAccounts-payable exception environment with a pass/fail verifier and proof packet: AI agents work AP
MCP endpoint :https://proving-ground-production.up.railway.app/mcp · website · measurements and detailsVerify multi-hop relational claims before an agent asserts them — zero tokens, with proof paths.
Package pypi :grounded-reasoning · website · measurements and detailsMeasured ground motion per US address (NASA InSAR). Self-register, $0.40/report, misses free.
MCP endpoint :https://sibfly.com/mcp · website · measurements and detailsData-grounded sprint retrospectives from your Jira, GitHub, and Slack activity.
Package npm :retro-mcp · website · measurements and detailsWeb search and AI answers with real source citations and a confidence score.
Package pypi :miapi-sdk · website · measurements and detailsLLM-native optimization solver: LP, MIP, portfolio & scheduling via HiGHS/OR-Tools.
Package pypi :sage-solver-mcp · website · measurements and detailsFluid cowork platform. Synthesizes work data across boundaries, with project tracking built in.
MCP endpoint :https://mcp.balladic.com/mcp · website · measurements and detailsWeb search, fetch, extract, and research for AI agents. Markdown output + AI-synthesized answers.
MCP endpoint :https://sofya.co/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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